ClamAV: Denial of Service

Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200612-18 / clamav
Release Date December 18, 2006
Latest Revision December 18, 2006: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
app-antivirus/clamav < 0.88.7 >= 0.88.7 All supported architectures

Related bugreports: #157698

Synopsis

ClamAV is vulnerable to Denial of Service.
2. Impact Information

Background

ClamAV is a GPL virus scanner.

Description

Hendrik Weimer discovered that ClamAV fails to properly handle deeply nested MIME multipart/mixed content.

Impact

By sending a specially crafted email with deeply nested MIME multipart/mixed content an attacker could cause ClamAV to crash.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All ClamAV users should upgrade to the latest version:

Code Listing 3.1

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.88.7"

4. References

CVE-2006-6481