ClamAV up to 0.86.2 libclamav/upx.c memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in ClamAV up to 0.86.2. It has been classified as critical. This affects an unknown function of the file libclamav/upx.c. This manipulation causes memory corruption. This vulnerability appears as CVE-2005-2920. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in ClamAV up to 0.86.2 (Anti-Malware Software). Affected by this vulnerability is an unknown code block of the file libclamav/upx.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in libclamav/upx.c in Clam AntiVirus (ClamAV) before 0.87 allows remote attackers to execute arbitrary code via a crafted UPX packed executable.

The weakness was presented 09/19/2005 as confirmed advisory (CERT.org). The advisory is shared at kb.cert.org. This vulnerability is known as CVE-2005-2920 since 09/15/2005. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 19793 (Debian DSA-824-1 : clamav - infinite loop, buffer overflow), 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 0.87 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (22308), Tenable (19793), SecurityFocus (BID 14866†), OSVDB (19506†) and Secunia (SA16848†). See VDB-26352 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 19793
Nessus Name: Debian DSA-824-1 : clamav - infinite loop, buffer overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 55470
OpenVAS Name: Debian Security Advisory DSA 824-1 (clamav)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ClamAV 0.87
McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

09/15/2005 🔍
09/16/2005 +1 days 🔍
09/19/2005 +3 days 🔍
09/19/2005 +0 days 🔍
09/19/2005 +0 days 🔍
09/20/2005 +0 days 🔍
10/10/2005 +20 days 🔍
03/11/2015 +3439 days 🔍
11/22/2024 +3544 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-2920 (🔍)
GCVE (CVE): GCVE-0-2005-2920
GCVE (VulDB): GCVE-100-26353
CERT: 🔍
X-Force: 22308
SecurityFocus: 14866 - ClamAV UPX Compressed Executable Buffer Overflow Vulnerability
Secunia: 16848 - ClamAV UPX and FSG Handling Vulnerabilities, Highly Critical
OSVDB: 19506 - Clam AntiVirus libclamav/upx.c UPX Processing Overflow
Vulnerability Center: 9366 - Clam AntiVirus Buffer Overflow via libclamav/upx.c, Medium
Vupen: ADV-2005-1774

See also: 🔍

Entryinfo

Created: 03/11/2015 23:39
Updated: 11/22/2024 03:30
Changes: 03/11/2015 23:39 (75), 05/10/2019 18:20 (6), 07/06/2021 07:15 (2), 11/22/2024 03:30 (15)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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