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[ GLSA 200501-46 ] ClamAV: Multiple issues
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GLSA
Bodhisattva
Bodhisattva


Joined: 25 Feb 2003
Posts: 3827
Location: Essen, Germany

PostPosted: Mon Jan 31, 2005 8:10 pm    Post subject: [ GLSA 200501-46 ] ClamAV: Multiple issues Reply with quote

Gentoo Linux Security Advisory

Title: ClamAV: Multiple issues (GLSA 200501-46)
Severity: normal
Exploitable: remote
Date: January 31, 2005
Updated: May 22, 2006
Bug(s): #78656, #79194
ID: 200501-46

Synopsis

ClamAV contains two vulnerabilities that could lead to Denial of Service and evasion of virus scanning.

Background

ClamAV is an antivirus toolkit. It includes a multi-threaded daemon and a command line scanner.

Affected Packages

Package: app-antivirus/clamav
Vulnerable: <= 0.80
Unaffected: >= 0.81
Architectures: All supported architectures


Description

ClamAV fails to properly scan ZIP files with special headers (CAN-2005-0133) and base64 encoded images in URLs.

Impact

By sending a base64 encoded image file in a URL an attacker could evade virus scanning. By sending a specially-crafted ZIP file an attacker could cause a Denial of Service by crashing the clamd daemon.

Workaround

There is no known workaround at this time.

Resolution

All ClamAV users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.81"


References

CAN-2005-0133
CVE-2005-0218
ClamAV Release Announcement
Secunia SA13900


Last edited by GLSA on Mon May 22, 2006 4:18 am; edited 2 times in total
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