ClamAV up to 0.90.2 unrar.c heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in ClamAV up to 0.90.2 and classified as critical. The impacted element is an unknown function of the file unrar.c. The manipulation leads to heap-based overflow. This vulnerability is uniquely identified as CVE-2007-3123. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in ClamAV up to 0.90.2 (Anti-Malware Software). It has been rated as critical. This issue affects an unknown part of the file unrar.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is availability. The summary by CVE is:

unrar.c in libclamav in ClamAV before 0.90.3 and 0.91 before 0.91rc1 allows remote attackers to cause a denial of service (core dump) via a crafted RAR file with a modified vm_codesize value, which triggers a heap-based buffer overflow.

The weakness was disclosed 05/30/2007 as Bug 521 as not defined bug report (Bugzilla). It is possible to read the advisory at wwws.clamav.net. The identification of this vulnerability is CVE-2007-3123 since 06/07/2007. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 25586 (Debian DSA-1320-1 : clamav - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.

Upgrading to version 0.90_rc1.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (34778), Tenable (25586), SecurityFocus (BID 24289†), OSVDB (35522†) and Secunia (SA25523†). The entries VDB-3078, VDB-37189, VDB-37188 and VDB-37186 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 25586
Nessus Name: Debian DSA-1320-1 : clamav - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 58427
OpenVAS Name: Debian Security Advisory DSA 1320-1 (clamav)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ClamAV 0.90_rc1.1

Timelineinfo

05/30/2007 🔍
05/30/2007 +0 days 🔍
06/04/2007 +4 days 🔍
06/06/2007 +2 days 🔍
06/07/2007 +1 days 🔍
06/07/2007 +0 days 🔍
06/15/2007 +8 days 🔍
06/24/2007 +8 days 🔍
03/15/2015 +2821 days 🔍
07/20/2021 +2319 days 🔍

Sourcesinfo

Advisory: Bug 521
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-3123 (🔍)
GCVE (CVE): GCVE-0-2007-3123
GCVE (VulDB): GCVE-100-37187

OVAL: 🔍

X-Force: 34778
SecurityFocus: 24289 - Clam AntiVirus ClamAV RAR Handling Remote Denial Of Service Vulnerability
Secunia: 25523 - SUSE update for clamav, Moderately Critical
OSVDB: 35522 - Clam AntiVirus libclamav Multiple Unspecified Issue
Vulnerability Center: 15421 - Clam AntiVirus Vulnerability Allows Remote Attacker to Cause DoS, Medium

See also: 🔍

Entryinfo

Created: 03/15/2015 15:58
Updated: 07/20/2021 09:49
Changes: 03/15/2015 15:58 (66), 05/10/2019 18:23 (13), 07/20/2021 09:49 (2)
Complete: 🔍
Cache ID: 216::103

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