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ClamAV: Denial of Service


1.  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


ClamAV is vulnerable to Denial of Service.

2.  Impact Information


ClamAV is a GPL virus scanner.


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


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

3.  Resolution Information


There is no known workaround at this time.


All ClamAV users should upgrade to the latest version:

Code Listing 3.1: Resolution

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

4.  References


Page updated December 18, 2006

Summary: This is a Gentoo Linux Security Advisory

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