Slackware Information for VU#958321

Samba contains a remotely exploitable stack buffer overflow

Status

Affected

Vendor Statement

New Samba packages are available for Slackware 8.1 and -current to fix a security problem and provide other bugfixes and improvements.

Here are the details from the Slackware 8.1 ChangeLog:

----------------------------
Wed Nov 20 16:51:23 PST 2002
patches/packages/samba-2.2.7-i386-1.tgz:  Upgraded to samba-2.2.7.
 Some details (based on the WHATSNEW.txt file included in samba-2.2.7):
   This fixes a security hole discovered in versions 2.2.2 through 2.2.6 of
   Samba that could potentially allow an attacker to gain root access
   on the target machine.  The word "potentially" is used because there
   is no known exploit of this bug, and the Samba Team has not been able to
   craft one ourselves. However, the seriousness of the problem warrants
   this immediate 2.2.7 release.  There was a bug in the length checking for
   encrypted password change requests from clients. A client could potentially
   send an encrypted password, which, when decrypted with the old hashed
   password could be used as a buffer overrun attack on the stack of smbd. The
   attack would have to be crafted such that converting a DOS codepage string
   to little endian UCS2 unicode would translate into an executable block of
   code.  Thanks to Steve Langasek <vorlon@debian.org> and Eloy Paris
   <peloy@debian.org> for bringing this vulnerability to our notice.
 (* Security fix *)
----------------------------


WHERE TO FIND THE NEW PACKAGES:
-------------------------------
Updated Samba package for Slackware 8.1:
ftp://ftp.slackware.com/pub/slackware/slackware-8.1/patches/packages/samba-2.2.7-i386-1.tgz

Updated Samba package for Slackware-current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/samba-2.2.7-i386-1.tgz


MD5 SIGNATURES:
---------------

Here are the md5sums for the packages:

Slackware 8.1:
835f2069561251cf9649b1f60ebc21f0  samba-2.2.7-i386-1.tgz

Slackware-current:
18eff1898b289735c51895e628797733  samba-2.2.7-i386-1.tgz

Vendor Information

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

Vendor References

None

Addendum

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

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