SourceFire ClamAV 0.96.4 CHM File Parser access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as critical, was found in SourceFire ClamAV 0.96.4 (Anti-Malware Software). This affects an unknown function of the component CHM File Parser. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on integrity.

The weakness was published 03/19/2012 by Suman Jana and Vitaly Shmatikov as confirmed mailinglist post (Bugtraq). It is possible to read the advisory at The vendor was not involved in the public release. This vulnerability is uniquely identified as CVE-2012-1458 since 02/29/2012. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

A public exploit has been developed by Suman Jana / Vitaly Shmatikov and been published immediately after the advisory. It is declared as proof-of-concept. The exploit is shared for download at We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 59726 (ClamAV < 0.97.5 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context remote. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165510 (SUSE Enterprise Linux Security Update for clamav (SUSE-SU-2012:0858-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityTracker (ID 1026840) and Tenable (59726). Similar entries are available at 4914, 4915, 4916 and 4917.






  • free

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
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Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Suman Jana / Vitaly Shmatikov
Reliability: 🔍
Download: 🔍

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Nessus ID: 59726
Nessus Name: ClamAV < 0.97.5 Multiple Vulnerabilities
Nessus File: 🔍
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Nessus Context: 🔍

OpenVAS ID: 71536
OpenVAS Name: FreeBSD Ports: clamav
OpenVAS File: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

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02/29/2012 🔍
03/19/2012 +19 days 🔍
03/19/2012 +0 days 🔍
03/20/2012 +1 days 🔍
03/21/2012 +1 days 🔍
03/23/2012 +2 days 🔍
03/25/2012 +2 days 🔍
04/02/2012 +8 days 🔍
06/15/2012 +74 days 🔍
06/27/2012 +12 days 🔍
03/22/2021 +3190 days 🔍



Researcher: Suman Jana/Vitaly Shmatikov
Status: Confirmed

CVE: CVE-2012-1458 (🔍)

X-Force: 74301
SecurityTracker: 1026840
SecurityFocus: 52611 - Multiple AntiVirus Products CVE-2012-1458 CHM File Scan Evasion Vulnerability
OSVDB: 80473

scip Labs:
See also: 🔍


Created: 04/02/2012 10:58 AM
Updated: 03/22/2021 10:40 AM
Changes: 04/02/2012 10:58 AM (79), 05/10/2019 06:38 PM (11), 03/22/2021 10:40 AM (2)
Complete: 🔍


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