ClamAV up to 0.85.1 cli_msexpand memory allocation

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

Summaryinfo

A vulnerability, which was classified as problematic, was found in ClamAV up to 0.85.1. The affected element is the function cli_msexpand. Executing a manipulation can lead to memory allocation. This vulnerability is handled as CVE-2005-1922. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in ClamAV up to 0.85.1 (Anti-Malware Software) and classified as problematic. This vulnerability affects the function cli_msexpand. The manipulation with an unknown input leads to a memory allocation vulnerability. The CWE definition for the vulnerability is CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. As an impact it is known to affect availability. CVE summarizes:

The MS-Expand file handling in Clam AntiVirus (ClamAV) before 0.86 allows remote attackers to cause a denial of service (file descriptor and memory consumption) via a crafted file that causes repeated errors in the cli_msexpand function.

The weakness was released 07/05/2005 (Website). The advisory is shared for download at idefense.com. This vulnerability was named CVE-2005-1922 since 06/08/2005. 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 18629 (Debian DSA-737-1 : clamav - remote denial of service), 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 0.86 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (21206), Tenable (18629), SecurityFocus (BID 14090†), Secunia (SA15811†) and Vulnerability Center (SBV-8686†). Entries connected to this vulnerability are available at VDB-25620 and VDB-25608. Once again VulDB remains the best source 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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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory allocation
CWE: CWE-789 / CWE-400 / CWE-404
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: 18629
Nessus Name: Debian DSA-737-1 : clamav - remote denial of service
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 54185
OpenVAS Name: Debian Security Advisory DSA 737-1 (clamav)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ClamAV 0.86

Timelineinfo

06/08/2005 🔍
06/24/2005 +16 days 🔍
06/29/2005 +5 days 🔍
07/05/2005 +6 days 🔍
07/05/2005 +0 days 🔍
07/06/2005 +1 days 🔍
07/25/2005 +19 days 🔍
03/11/2015 +3516 days 🔍
07/05/2021 +2308 days 🔍

Sourcesinfo

Advisory: idefense.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-1922 (🔍)
GCVE (CVE): GCVE-0-2005-1922
GCVE (VulDB): GCVE-100-25636
X-Force: 21206
SecurityFocus: 14090
Secunia: 15811 - ClamAV Quantum Decompressor Denial of Service Vulnerability, Less Critical
Vulnerability Center: 8686 - DoS in Clam AntiVirus < 0.86 via Repeated Errors in 'cli_msexpand\x27 Function, Medium

See also: 🔍

Entryinfo

Created: 03/11/2015 11:41
Updated: 07/05/2021 11:15
Changes: 03/11/2015 11:41 (68), 11/22/2016 19:10 (4), 07/05/2021 11:15 (3)
Complete: 🔍
Cache ID: 216::103

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