Sophos Anti-Virus up to 6.0.4 Petite Plugin Petite Archive resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Sophos Anti-Virus up to 6.0.4. This issue affects some unknown processing of the component Petite Plugin. Executing a manipulation as part of Petite Archive can lead to resource management. The identification of this vulnerability is CVE-2006-5645. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Sophos Anti-Virus up to 6.0.4 (Anti-Malware Software). It has been declared as critical. This vulnerability affects an unknown code block of the component Petite Plugin. The manipulation as part of a Petite Archive leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

Sophos Anti-Virus and Endpoint Security before 6.0.5, Anti-Virus for Linux before 5.0.10, and other platforms before 4.11, when "Enabled scanning of archives" is set, allows remote attackers to cause a denial of service (infinite loop) via a malformed RAR archive with an Archive Header section with the head_size and pack_size fields set to zero.

The weakness was shared 10/30/2006 by Damian Put (Titon) with iDefense (Website). The advisory is shared for download at sophos.com. This vulnerability was named CVE-2006-5645 since 11/01/2006. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at sophos.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Exploit-DB (2912), SecurityFocus (BID 20816†), Secunia (SA22591†) and SecurityTracker (ID 1017132†). The entries VDB-2642, VDB-2641, VDB-2643 and VDB-2731 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: sophos.com

Timelineinfo

10/30/2006 🔍
10/30/2006 +0 days 🔍
10/30/2006 +0 days 🔍
10/30/2006 +0 days 🔍
10/31/2006 +1 days 🔍
11/01/2006 +1 days 🔍
11/01/2006 +0 days 🔍
04/26/2026 +7116 days 🔍

Sourcesinfo

Vendor: sophos.com

Advisory: sophos.com
Researcher: Damian Put (Titon)
Organization: iDefense
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-5645 (🔍)
GCVE (CVE): GCVE-0-2006-5645
GCVE (VulDB): GCVE-100-2644
SecurityFocus: 20816 - Sophos Antivirus Multiple Denial of Service and Memory Corruption Vulnerabilities
Secunia: 22591 - Sophos Anti-Virus RAR and CHM Denial of Service Vulnerabilities, Moderately Critical
SecurityTracker: 1017132
Vupen: ADV-2006-4239

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 10/31/2006 13:14
Updated: 04/26/2026 02:07
Changes: 10/31/2006 13:14 (71), 04/22/2018 13:17 (8), 04/17/2025 12:08 (17), 04/26/2026 02:07 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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