Overview
Ethereal contains a vulnerability in the way it processes Server Message Block (SMB) packets.
Description
The Server Message Block (SMB) protocol is used for sharing files, printers, and other resources between computers. SMB is used in Microsoft Windows to provide file and print services. Ethereal includes the ability to decode packets containing SMB data. There is a vulnerability in the way the SMB dissector decodes SMB packets containing a policy name without a handle. If SID snooping is enabled, this could trigger a null pointer dereference and a remote, unauthenticated attacker could cause Ethereal to crash or potentially execute code of the attacker's choice. |
Impact
A remote, unauthenticated attacker could cause Ethereal to crash or potentially execute code of the attacker's choice. |
Solution
Upgrade Upgrade to version 0.10.5 or later. |
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Vendor Information
CVSS Metrics
| Group | Score | Vector |
|---|---|---|
| Base | ||
| Temporal | ||
| Environmental |
References
- http://www.ethereal.com/appnotes/enpa-sa-00015.html
- http://xforce.iss.net/xforce/xfdb/16631
- http://secunia.com/advisories/12024/
- http://www.securityfocus.com/bid/10672
- http://www.securitytracker.com/alerts/2004/Jul/1010655.html
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=127381
- http://www.redhat.com/support/errata/RHSA-2004-378.html
- http://www.redhat.com/archives/fedora-announce-list/2004-July/msg00013.html
- http://www.redhat.com/archives/fedora-announce-list/2004-July/msg00014.html
- http://www.gentoo.org/security/en/glsa/glsa-200407-08.xml
- http://www.mandrakesecure.net/en/advisories/advisory.php?name=MDKSA-2004:067
Acknowledgements
This vulnerability was reported by the maintainers of Ethereal.
This document was written by Damon Morda.
Other Information
| CVE IDs: | CVE-2004-0634 |
| Severity Metric: | 8.09 |
| Date Public: | 2004-07-06 |
| Date First Published: | 2004-09-07 |
| Date Last Updated: | 2004-10-08 13:25 UTC |
| Document Revision: | 14 |