SourceFire ClamAV 0.96.4 CHM File Parser access control

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in SourceFire ClamAV 0.96.4. It has been rated as critical. The impacted element is an unknown function of the component CHM File Parser. Performing a manipulation results in access control. This vulnerability is known as CVE-2012-1458. Remote exploitation of the attack is possible. Furthermore, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

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 summary by CVE is:

The Microsoft CHM file parser in ClamAV 0.96.4 and Sophos Anti-Virus 4.61.0 allows remote attackers to bypass malware detection via a crafted reset interval in the LZXC header of a CHM file. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different CHM parser implementations.

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 seclists.org. 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. The exploit is shared for download at seclists.org. It is declared as proof-of-concept. 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 r. 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 Tenable (59726), SecurityFocus (BID 52611†), OSVDB (80473†) and SecurityTracker (ID 1026840†). Similar entries are available at VDB-4914, VDB-4915, VDB-4916 and VDB-4917. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

OpenVAS ID: 71536
OpenVAS Name: FreeBSD Ports: clamav
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

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 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: seclists.org
Researcher: Suman Jana, Vitaly Shmatikov
Status: Confirmed

CVE: CVE-2012-1458 (🔍)
GCVE (CVE): GCVE-0-2012-1458
GCVE (VulDB): GCVE-100-4935

OVAL: 🔍

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

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 04/02/2012 10:58
Updated: 03/22/2021 10:40
Changes: 04/02/2012 10:58 (79), 05/10/2019 18:38 (11), 03/22/2021 10:40 (2)
Complete: 🔍
Cache ID: 216::103

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