Description
The SMB SID snooping capability in Ethereal 0.9.15 to 0.10.4 allows remote attackers to cause a denial of service (process crash) via a handle without a policy name, which causes a null dereference.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 3 | ethereal +1 | 0.10.5-0.30E.2 | RHSA-2004:378 |
Advisories 1
- RHSA-2004:378 Red Hat Security Advisory: ethereal security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- oval:org.mitre.oval:def:10252 vdb-entry signature
- 1010655 vdb-entry
- CLA-2005:916 vendor-advisory
- MDKSA-2004:067 vendor-advisory
- http://www.ethereal.com/appnotes/enpa-sa-00015.html
- 12024 third-party-advisory
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=127381
- FEDORA-2004-219 vendor-advisory
- ethereal-smb-sid-dos(16631) vdb-entry
- VU#518782 third-party-advisory
- FEDORA-2004-220 vendor-advisory
- RHSA-2004:378 vendor-advisory
- GLSA-200407-08 vendor-advisory