Software Engineering Institute

Updated:  August 09, 2002

Status

Affected

Vendor Statement

See http://www.openpkg.org/security/OpenPKG-SA-2002.008-openssl.html.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

________________________________________________________________________

OpenPKG Security Advisory                            The OpenPKG Project
http://www.openpkg.org/security.html              http://www.openpkg.org
openpkg-security@openpkg.org                         openpkg@openpkg.org
OpenPKG-SA-2002.008                                          30-Jul-2002
________________________________________________________________________

Package:             openssl
Vulnerability:       denial of service / remote root exploit
OpenPKG Specific:    no

Affected  Releases:  OpenPKG 1.0               OpenPKG CURRENT
Affected  Packages:  <= openssl-0.9.6b-1.0.0   <= openssl-0.9.6d
Corrected Packages:  >= openssl-0.9.6b-1.0.1   >= openssl-0.9.6e
Dependent Packages:  apache                    apache
                    curl                      bind
                    fetchmail                 cadaver
                    imapd                     cpu
                    inn                       curl
                    links                     dsniff
                    lynx                      exim
                    mutt                      fetchmail
                    openldap                  imapd
                    openssh                   inn
                    perl-ssl                  links
                    postfix                   lynx
                    postgresql                mutt
                    qpopper                   neon
                    samba                     openldap
                    sasl                      openssh
                    scanssh                   openvpn
                    sendmail                  perl-ssl
                    siege                     postfix
                    sitecopy                  postgresql
                    snmp                      qpopper
                    stunnel                   rdesktop
                    tcpdump                   samba
                    w3m                       sasl
                                              scanssh
                                              sendmail
                                              siege
                                              sitecopy
                                              snmp
                                              stunnel
                                              sysmon
                                              tcpdump
                                              w3m

Description:
 According to an official security advisory from the OpenSSL team,
 there are four remotely exploitable buffer overflows that affect
 various OpenSSL client and server implementations [5]. There are
 also parsing problems in the ASN.1 library used by OpenSSL. The
 Common Vulnerabilities and Exposures (CVE) project assigned the
 ids CAN-2002-0655 [6], CAN-2002-0656 [7], CAN-2002-0657 [8] and
 CAN-2002-0659 [9] to the problems. Several of these vulnerabilities
 could be used by a remote attacker to execute arbitrary code on the
 target system. All could be used to create a denial of service.

  Please check whether you are affected by running "<prefix>/bin/rpm -q
 openssl". If you have the "openssl" package installed and its version
 is affected (see above), we recommend that you immediately upgrade it
 (see Solution). Additionally, you have to rebuild and reinstall all
 dependent OpenPKG packages, too. [2]

Solution:
 Select the updated source RPM appropriate for your OpenPKG release
 [4], fetch it from the OpenPKG FTP service [3] or a mirror location,
 verify its integrity [1], build a corresponding binary RPM from it
 and update your OpenPKG installation by applying the binary RPM [2].
 For the latest OpenPKG 1.0 release, perform the following operations
 to permanently fix the security problem (for other releases adjust
 accordingly).

  $ ftp ftp.openpkg.org
 ftp> bin
 ftp> cd release/1.0/UPD
 ftp> get openssl-0.9.6b-1.0.1.src.rpm
 ftp> bye
 $ <prefix>/bin/rpm --checksig openssl-0.9.6b-1.0.1.src.rpm
 $ <prefix>/bin/rpm --rebuild openssl-0.9.6b-1.0.1.src.rpm
 $ su -
 # <prefix>/bin/rpm -Fvh <prefix>/RPM/PKG/openssl-0.9.6b-1.0.1.*.rpm

  Now proceed and rebuild and reinstall all dependent OpenPKG packages,
 too (see list above).
________________________________________________________________________

References:
 [1]  http://www.openpkg.org/security.html#signature
 [2]  http://www.openpkg.org/tutorial.html#regular-source
 [3]  ftp://ftp.openpkg.org/release/1.0/UPD/
 [4]  ftp://ftp.openpkg.org/release/1.0/UPD/openssl-0.9.6b-1.0.1.src.rpm
 [5]  http://www.openssl.org/news/secadv_20020730.txt
 [6]  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0655
 [7]  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0656
 [8]  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0657
 [9]  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0659
________________________________________________________________________

For security reasons, this advisory was digitally signed with
the OpenPGP public key "OpenPKG <openpkg@openpkg.org>" (ID 63C4CB9F)
of the OpenPKG project which you can find under the official URL
http://www.openpkg.org/openpkg.pgp or on http://keyserver.pgp.com/. To
check the integrity of this advisory, verify its digital signature by
using GnuPG (http://www.gnupg.org/). For instance, pipe this message to
the command "gpg --verify --keyserver keyserver.pgp.com".
________________________________________________________________________

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Comment: OpenPKG <openpkg@openpkg.org>

iEYEARECAAYFAj1GjigACgkQgHWT4GPEy5+F4wCgu8B6yxJsB6Lu7bygw9FKUAhH
4xsAoKTteo/qotFgoki3JYpuGufyp4vL
=k9ol
-----END PGP SIGNATURE-----

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Notified:  July 22, 2002 Updated: July 30, 2002

Status

Affected

Vendor Statement

Please see http://www.openssl.org/news/secadv_20020730.txt.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Notified:  July 29, 2002 Updated: August 09, 2002

Status

Affected

Vendor Statement

Please see http://otn.oracle.com/deploy/security/htdocs/opensslAlert.html

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

                                              Oracle Security Alert #37
                                                  Dated: 1 August, 2002
                                                Updated: 5 August, 2002

OpenSSL Security Vulnerability

Products affected:

   Oracle HTTP Server (OHS) shipped with the database up to and
       including version 9.2.0.
       Oracle9iAS versions earlier than 9.0.2, including all versions
       1.0.2.x.
       CorporateTime Outlook Connector (CTOC), versions 3.1, 3.1.1,
       3.1.2, and 3.3 on Windows 98, NT, 2K, XP.

Description:

   There are remotely exploitable buffer overflow vulnerabilities in
   OpenSSL versions prior to 0.9.6e.
   These vulnerabilities may allow a remote attacker to execute
   arbitrary code or perform a denial-of-service (DoS) attack.

   These problems are described in the OpenSSL Security Advisory [30
   July 2002]:

     [25]http://www.openssl.org/news/secadv_20020730.txt

   These problems are also described in CERT Advisory CA-2002-23:

     [26]http://www.cert.org/advisories/CA-2002-23.html

Workarounds:

   There are no workarounds against the potential denial-of-service
   attack.  Disabling SSL should prevent remote execution of code.

   Users of Corporate Time Outlook Connector can disable TLS by adding
   the following section to the CTOC.INI file:
   [CTOC]
   allow-tls=FALSE

NOTE:

   Disabling SSL or TLS will result in data being transmitted in the
   clear (i.e. unencrypted), including passwords when using Basic
   Authentication.

Patch Information:

   Patches will be made available on MetaLink for Patch 2492925 as
   scheduled in the following table:
   Product Download Release Solaris NT HPUX Linux AIX TRU64
   iAS 1022 OHS .3.19 08/09/02 08/09/02 08/15/02 08/15/02 08/15/02
   08/15/02
   iAS 1021 OHS 1.3.12 08/08/02 08/08/02 08/09/02 08/09/02 08/09/02
   08/09/02
   iAS 1021s OHS 1.0.2.1s 08/08/02 08/08/02 08/12/02 08/12/02 08/12/02
   08/12/02
   iAS 102 iAS 1.0.2 08/09/02 08/09/02 08/14/02 08/14/02 08/14/02
   08/14/02
   RDBMS 9.2 Oracle 9.2.0.0 08/08/02 08/08/02 08/08/02 08/08/02
   08/08/02 08/08/02
   RDBMS   901  Oracle  9.0.1.0  08/09/02  08/09/02  08/13/02  08/13/02
   08/13/02 08/13/02
   RDBMS   817  Oracle  8.1.7.0  08/09/02  08/09/02  08/16/02  08/16/02
   08/16/02 08/16/02

Upgrade Information:

   New  releases  of  the Corporate Time Outlook Connector will address
   this vulnerability.
   The  following  releases  are  scheduled  to  be  released around 16
   August, 2002:
    1. CorporateTime Outlook Connector 3.3.1
    2. Oracle Outlook Connector 3.4


   Copyright © 2002, Oracle Corporation. All rights reserved.
   [27]Contact Us | [28]Legal Notices and Terms of Use | [29]Privacy
   Statement

References

  25. http://www.openssl.org/news/secadv_20020730.txt
  26. http://www.cert.org/advisories/CA-2002-23.html
  27. http://otn.oracle.com/contact
  28. http://www.oracle.com/html/index.html?copyright.html
  29. http://www.oracle.com/html/index.html?privacy.html

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Notified:  July 29, 2002 Updated: August 09, 2002

Status

Affected

Vendor Statement

Red Hat distributes affected versions of OpenSSL in all Red Hat Linux distributions as well as the Stronghold web server. Red Hat Linux errata packages that fix the above vulnerabilities (CAN-2002-0655 and CAN-2002-0656) are available from the URL below. Users of the Red Hat Network are able to update their systems using the 'up2date' tool. A future update will fix the potential remote DOS in the ASN.1 encoding (CAN-2002-0659).

http://rhn.redhat.com/errata/RHSA-2002-155.html

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Updated:  September 30, 2002

Status

Affected

Vendor Statement

In response to the CERT Advisory CA-2002-23, Secure Computing has posted a software patch for all users of the SafeWord PremierAccess version 3.1 authentication system. All existing and new customers are advised to download and apply PremierAccess Patch 1. Patch 1(3.1.0.01) is available for immediate web download at

http://www.securecomputing.com/index.cfm?skey=1109

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Updated:  September 23, 2002

Status

Affected

Vendor Statement

-----BEGIN PGP SIGNED MESSAGE-----

______________________________________________________________________________

                        SuSE Security Announcement

        Package:                openssl/Slapper worm
       Announcement-ID:        SuSE-SA:2002:033
       Date:                   Thu Sep 19 2002
       Affected products:      7.0, 7.1, 7.2, 7.3, 8.0
SuSE Linux Database Server,
SuSE eMail Server III,
SuSE eMail Server 3.1,
SuSE Linux Enterprise Server,
SuSE Linux Firewall on CD,
SuSE Linux Enterprise Server 7
SuSE Linux Office Server
       Vulnerability Type:     buffer overflow
       Severity (1-10):        9
       SuSE default package:   yes
Cross References:CVE CAN-2002-0655, CAN-2002-0656,
CAN-2002-0659, SuSE-SA:2002:027

    Content of this advisory:
1) vulnerabilities in openssl libraries; Slapper worm
       2) pending vulnerabilities, solutions, workarounds
       3) standard appendix (further information)

______________________________________________________________________________

1)  problem description, brief discussion, solution, upgrade information

    This advisory is issued in an attempt to clarify any issues
   surrounding the recently discovered Apache/mod_ssl worm.

    On July 30, we released a security advisory concerning vulnerabilities
   in OpenSSL, including a buffer overflow in the SSL code. This
   vulnerability (CVE CAN-2002-0656, also discussed in CERT Advisory
   http://www.cert.org/advisories/CA-2002-23.html) is currently being
   exploited by a worm called Slapper, propagating through Apache's
   mod_ssl module.

    It is worth noting that even though the worm infects Apache through
   mod_ssl, this is not a vulnerability in mod_ssl or Apache, but in
   the OpenSSL library used by mod_ssl.

    This also means that Apache may not be the only service vulnerable
   to an attack via the SSL bug. Similar exploits may be possible
   against cyrus-imapd, sendmail with TLS support, or sslwrap-enabled
   services.

    As a workaround, it is also possible to disable SSLv2 in mod_ssl
   (as described in our previous advisory SuSE-SA:2002:027;
   http://www.suse.com/de/security/2002_027_openssl.html), but you
   should be aware that this does not protect other SSL based servers
   that may be running on your machine.


    We have received numerous inquiries from SuSE users on whether the
   update packages provided by SuSE as part of SA:2002:027 fix this bug
   even though they do not contain the latest OpenSSL version recommended
   in various advisories.

    To clarify this, we would like to state that these packages DO FIX
   the bug exploited by the Slapper worm. Following established policy,
   we did this by applying a source code patch instead of upgrading to
   a newer version, because the latter usually causes serious problems
   for many users (in particular, different versions of OpenSSL libraries
   are not always API compatible).


    However, it turns out that a number of packages were statically
   linked against OpenSSL libraries:

    mod_ssl (SuSE Linux 7.0):
   We have released rebuilt mod_ssl packages linked against the
most recent OpenSSL libraries.

If you run mod_ssl on SuSE Linux 7.0, you must upgrade mod_ssl,
too.

    sendmail-tls (SuSE Linux 7.1, 7.2, 7.3):
Sendmail-tls, the SSL enabled version of sendmail, was linked
statically against OpenSSL on SuSE 7.1, 7.2 and 7.3. The security
impact of this problem is probably the same as with Apache and
mod_ssl.

We are releasing rebuilt packages linked against the most
OpenSSL libraries.

Sendmail-tls is not part of the default installation profile.

If you are using sendmail-tls, we strongly recommend you upgrade
to the latest packages provided on our FTP servers.

    openssh (SuSE Linux 7.1, 7.2 and 7.3):
       Ssh and sshd do not use any SSL functionality, and thus are not
susceptible to the type of attack carried out by the Slapper worm.

To date, we are not aware of any way to exploit them. We nevertheless
recommend to upgrade to the latest versions provided on our FTP site.

    freeswan (SuSE Linux 7.1, 7.2):
   FreeSWAN includes a utility named fswcert for creating and
manipulating X.509 certificates, which is also linked statically
against libcrypto.

To date, we are not aware of any way to exploit them. We
nevertheless recommend to upgrade to the latest versions provided
on our FTP site as soon as they become available (2002 Sep 20).

______________________________________________________________________________

2)  Pending vulnerabilities in SuSE Distributions and Workarounds:

    mod_php4:
   we are preparing an update of mod_php4 addressing various
vulnerabilities that have been published recently.

______________________________________________________________________________

3)  standard appendix: authenticity verification, additional information

  - Package authenticity verification:

    SuSE update packages are available on many mirror ftp servers all over
   the world. While this service is being considered valuable and important
   to the free and open source software community, many users wish to be
   sure about the origin of the package and its content before installing
   the package. There are two verification methods that can be used
   independently from each other to prove the authenticity of a downloaded
   file or rpm package:
   1) md5sums as provided in the (cryptographically signed) announcement.
   2) using the internal gpg signatures of the rpm package.

    1) execute the command
       md5sum <name-of-the-file.rpm>
      after you downloaded the file from a SuSE ftp server or its mirrors.
      Then, compare the resulting md5sum with the one that is listed in the
      announcement. Since the announcement containing the checksums is
      cryptographically signed (usually using the key security@suse.de),
      the checksums show proof of the authenticity of the package.
      We disrecommend to subscribe to security lists which cause the
      email message containing the announcement to be modified so that
      the signature does not match after transport through the mailing
      list software.
      Downsides: You must be able to verify the authenticity of the
      announcement in the first place. If RPM packages are being rebuilt
      and a new version of a package is published on the ftp server, all
      md5 sums for the files are useless.

    2) rpm package signatures provide an easy way to verify the authenticity
      of an rpm package. Use the command
       rpm -v --checksig <file.rpm>
      to verify the signature of the package, where <file.rpm> is the
      filename of the rpm package that you have downloaded. Of course,
      package authenticity verification can only target an uninstalled rpm
      package file.
      Prerequisites:
       a) gpg is installed
       b) The package is signed using a certain key. The public part of this
          key must be installed by the gpg program in the directory
          ~/.gnupg/ under the user's home directory who performs the
          signature verification (usually root). You can import the key
          that is used by SuSE in rpm packages for SuSE Linux by saving
          this announcement to a file ("announcement.txt") and
          running the command (do "su -" to be root):
           gpg --batch; gpg < announcement.txt | gpg --import
          SuSE Linux distributions version 7.1 and thereafter install the
          key "build@suse.de" upon installation or upgrade, provided that
          the package gpg is installed. The file containing the public key
          is placed at the toplevel directory of the first CD (pubring.gpg)
          and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de .


  - SuSE runs two security mailing lists to which any interested party may
   subscribe:

    suse-security@suse.com
       -   general/linux/SuSE security discussion.
           All SuSE security announcements are sent to this list.
           To subscribe, send an email to
               <suse-security-subscribe@suse.com>.

    suse-security-announce@suse.com
       -   SuSE's announce-only mailing list.
           Only SuSE's security annoucements are sent to this list.
           To subscribe, send an email to
               <suse-security-announce-subscribe@suse.com>.

    For general information or the frequently asked questions (faq)
   send mail to:
       <suse-security-info@suse.com> or
       <suse-security-faq@suse.com> respectively.

    =====================================================================
   SuSE's security contact is <security@suse.com> or <security@suse.de>.
   The <security@suse.de> public key is listed below.
   =====================================================================
______________________________________________________________________________

    The information in this advisory may be distributed or reproduced,
   provided that the advisory is not modified in any way. In particular,
   it is desired that the cleartext signature shows proof of the
   authenticity of the text.
   SuSE Linux AG makes no warranties of any kind whatsoever with respect
   to the information contained in this security advisory.

Type Bits/KeyID    Date       User ID
pub  2048R/3D25D3D9 1999-03-06 SuSE Security Team <security@suse.de>
pub  1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build@suse.de>

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Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Updated:  August 09, 2002

Status

Affected

Vendor Statement

See http://www.trustix.net/errata/misc/2002/TSL-2002-0063-openssl.asc.txt, and "Addition to Trustix Secure Linux Bugfix Advisory #2002-0063" below.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

- --------------------------------------------------------------------------
Trustix Secure Linux Security Advisory #2002-0063

Package name:      openssl
Summary:           Multiple security problems
Date:              2002-07-29
Affected versions: TSL 1.1, 1.2, 1.5

- --------------------------------------------------------------------------

Problem description:
 Several severe security problems have been found in the openssl source
 code which upon the TSL openssl packages are based. Most of these
 vulnerabilities have a potential for remote expoitation, even though no
 exploits are currently released.
 The upstream development group have provided us with patches that fixes
 the problems.

  These issues have been asigned the following CVE names:
 CAN-2002-0655, CAN-2002-0656, and CAN-2002-0659.

  More information:
 <URI: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0655>
 <URI: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0656>
 <URI: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0659>

Action:
 We recommend that all systems with this package installed are upgraded.
 Please note that if you do not need the functionality provided by this
 package, you may want to remove it from your system.


Location:
 All TSL updates are available from
 <URI:http://www.trustix.net/pub/Trustix/updates/>
 <URI:ftp://ftp.trustix.net/pub/Trustix/updates/>


Automatic updates:
 Users of the SWUP tool can enjoy having updates automatically
 installed using 'swup --upgrade'.

  Get SWUP from:
 <URI:ftp://ftp.trustix.net/pub/Trustix/software/swup/>


Public testing:
 These packages have been available for public testing for some time.
 If you want to contribute by testing the various packages in the
 testing tree, please feel free to share your findings on the
 tsl-discuss mailinglist.
 The testing tree is located at
 <URI:http://www.trustix.net/pub/Trustix/testing/>
 <URI:ftp://ftp.trustix.net/pub/Trustix/testing/>


Questions?
 Check out our mailing lists:
 <URI:http://www.trustix.net/support/>


Verification:
 This advisory along with all TSL packages are signed with the TSL sign key.
 This key is available from:
 <URI:http://www.trustix.net/TSL-GPG-KEY>

  The advisory itself is available from the errata pages at
 <URI:http://www.trustix.net/errata/trustix-1.2/> and
 <URI:http://www.trustix.net/errata/trustix-1.5/>
 or directly at
 <URI:http://www.trustix.net/errata/misc/2002/TSL-2002-0063-openssl.asc.txt>


MD5sums of the packages:
- --------------------------------------------------------------------------
0c51861ce4432c3f669657e2c4971c6f  ./1.5/SRPMS/openssl-0.9.6-10tr.src.rpm
eb8a64dba138584b8085aec8d9ccaf0c  ./1.5/RPMS/openssl-support-0.9.6-10tr.i586.rpm
9db293f035fbd82a3482ab87d3465eb2  ./1.5/RPMS/openssl-python-0.9.6-10tr.i586.rpm
582d08bb63676a33da1aa89a33a05914  ./1.5/RPMS/openssl-devel-0.9.6-10tr.i586.rpm
2d05569684b868cbacca9e389ded3f0f  ./1.5/RPMS/openssl-0.9.6-10tr.i586.rpm
96053f774317702af40705697a2460d4  ./1.2/SRPMS/openssl-0.9.6-3tr.src.rpm
84b50e02167b61a9d3093bcc055c7b45  ./1.2/RPMS/openssl-devel-0.9.6-3tr.i586.rpm
b0c3b99917e1c69f593a74b9989a33f9  ./1.2/RPMS/openssl-0.9.6-3tr.i586.rpm
96053f774317702af40705697a2460d4  ./1.1/SRPMS/openssl-0.9.6-3tr.src.rpm
111d6f3e42c2410a11ac4704036a31ef  ./1.1/RPMS/openssl-devel-0.9.6-3tr.i586.rpm
23d4bef487e86dfff1854f3f3c6fd867  ./1.1/RPMS/openssl-0.9.6-3tr.i586.rpm
- --------------------------------------------------------------------------


Trustix Security Team


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Hash: SHA1

- --------------------------------------------------------------------------
Addition to Trustix Secure Linux Bugfix Advisory #2002-0063

Package name:      openssl
Summary:           Restart services
Date:              2002-08-01
Affected versions: TSL 1.1, 1.2, 1.5

- --------------------------------------------------------------------------

Problem description:
 I really hope all of you have updated the openssl package. :)

  Most of you know this already, and I'm sorry I didn't include this in
 the openssl advisory earlier this week. But here it goes:

  Since openssl is a shared library, all services linked against this
 library must be restarted for the changes to take affect.

  The list of services is long and includes (but are not limited to):

   httpd (mod_php4 is linked against libssl)
  httpsd
  simap
  pop3s
  postfix
  postgresql
  smb (maybe also winbind)
  sshd


Action:
 We recommend that all services that are linked against openssl are
 restarted.


Get SWUP from:
 <URI:ftp://ftp.trustix.net/pub/Trustix/software/swup/>

Questions?
 Check out our mailing lists:
 <URI:http://www.trustix.net/support/>

Verification:
 This advisory along with all TSL packages are signed with the TSL sign key.
 This key is available from:
 <URI:http://www.trustix.net/TSL-GPG-KEY>




Trustix Security Team

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If you have feedback, comments, or additional information about this vulnerability, please send us email.