ClamAV up to 0.87 fsg.c unfsg_133 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in ClamAV up to 0.87. This affects the function unfsg_133 of the file fsg.c. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2005-3303. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in ClamAV up to 0.87 (Anti-Malware Software). This vulnerability affects the function unfsg_133 of the file fsg.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. CVE summarizes:

The FSG unpacker (fsg.c) in Clam AntiVirus (ClamAV) 0.80 through 0.87 allows remote attackers to cause "memory corruption" and execute arbitrary code via a crafted FSG 1.33 file.

The weakness was presented 11/04/2005 (Website). The advisory is shared for download at zerodayinitiative.com. This vulnerability was named CVE-2005-3303. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 22753 (Debian DSA-887-1 : 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.

A possible mitigation has been published even before and not after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 3874.

The vulnerability is also documented in the databases at X-Force (24542), Tenable (22753), SecurityFocus (BID 15318†), OSVDB (20482†) and Secunia (SA17434†). See VDB-26850, VDB-26849 and VDB-26592 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22753
Nessus Name: Debian DSA-887-1 : clamav - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 55855
OpenVAS Name: Gentoo Security Advisory GLSA 200511-04 (clamav)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

Timelineinfo

10/25/2005 🔍
11/03/2005 +9 days 🔍
11/04/2005 +1 days 🔍
11/04/2005 +0 days 🔍
11/04/2005 +0 days 🔍
11/05/2005 +0 days 🔍
11/21/2005 +16 days 🔍
03/11/2015 +3397 days 🔍
07/19/2024 +3418 days 🔍

Sourcesinfo

Advisory: zerodayinitiative.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-3303 (🔍)
GCVE (CVE): GCVE-0-2005-3303
GCVE (VulDB): GCVE-100-26848
X-Force: 24542
SecurityFocus: 15318 - Clam Anti-Virus ClamAV FSG File Handling Buffer Overflow Vulnerability
Secunia: 17434
OSVDB: 20482 - Clam AntiVirus libclamav/fsg.c FSG File Processing Overflow
SecurityTracker: 1015154
Vulnerability Center: 9706 - Clam AntiVirus Remote Code Execution via FSG 1.33 Files, Medium

See also: 🔍

Entryinfo

Created: 03/11/2015 23:39
Updated: 07/19/2024 20:56
Changes: 03/11/2015 23:39 (68), 05/10/2019 18:21 (3), 07/06/2021 14:20 (3), 07/06/2021 14:22 (1), 07/19/2024 20:56 (16)
Complete: 🔍
Cache ID: 216::103

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