VDB-40303 · CVE-2007-6337 · BID 27063

SourceFire ClamAV 0.91.2 nsis/bzlib_private.h Remote Code Execution

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.4	$0-$5k	0.00

A vulnerability classified as very critical was found in SourceFire ClamAV 0.91.2 (Anti-Malware Software). Affected by this vulnerability is an unknown code in the library nsis/bzlib_private.h. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Unspecified vulnerability in the bzip2 decompression algorithm in nsis/bzlib_private.h in ClamAV before 0.92 has unknown impact and remote attack vectors.

The weakness was presented 12/29/2007 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2007-6337. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/10/2019).

The vulnerability scanner Nessus provides a plugin with the ID 30070 (Fedora 8 : clamav-0.92-6.fc8 (2008-0115)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

Upgrading to version 0.91.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 27063), X-Force (39170), Vulnerability Center (SBV-17287) and Tenable (30070). See 40169 for similar entry.

Productinfoedit

Type

Anti-Malware Software

Vendor

SourceFire

Name

ClamAV

CPE 2.3infoedit

🔍

CPE 2.2infoedit

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CVSSv3infoedit

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2infoedit

AV	AC	Au	C	I	A
🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfoedit

Class: Unknown
CWE: Unknown
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 30070
Nessus Name: Fedora 8 : clamav-0.92-6.fc8 (2008-0115)
Nessus File: 🔍
Nessus Family: 🔍

OpenVAS ID: 90000
OpenVAS Name: ClamAV < 0.93.1 vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ClamAV 0.91.2

Timelineinfoedit

12/19/2007 🔍
12/19/2007 +0 days 🔍
12/29/2007 +9 days 🔍
12/29/2007 +0 days 🔍
12/31/2007 +1 days 🔍
01/08/2008 +8 days 🔍
03/16/2015 +2624 days 🔍
01/01/2017 +657 days 🔍
05/10/2019 +859 days 🔍