Sophos Anti-Virus up to 5.0.1 ZIP Archive Extra Field Length infinite loop

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

Summaryinfo

A vulnerability, which was classified as critical, has been found in Sophos Anti-Virus up to 5.0.1. This affects an unknown function of the component ZIP Archive Handler. The manipulation of the argument Extra Field Length with the input 0xFFFF leads to infinite loop. This vulnerability is referenced as CVE-2005-1530. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Sophos Anti-Virus up to 5.0.1 (Anti-Malware Software) and classified as critical. This issue affects an unknown functionality of the component ZIP Archive Handler. The manipulation of the argument Extra Field Length with the input value 0xFFFF leads to a infinite loop vulnerability. Using CWE to declare the problem leads to CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. Impacted is availability. The summary by CVE is:

Sophos Anti-Virus 5.0.1, with "Scan inside archive files" enabled, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a Bzip2 archive with a large Extra field length value.

The weakness was published 07/15/2005 with iDEFENSE (Website). The advisory is shared at idefense.com. The identification of this vulnerability is CVE-2005-1530. 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 as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1499 for this issue.

It is declared as proof-of-concept.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at sophos.com. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 9029.

The vulnerability is also documented in the databases at X-Force (21373), SecurityFocus (BID 14270†), Secunia (SA16082†), SecurityTracker (ID 1014488†) and Vulnerability Center (SBV-9684†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

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Version

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Website

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

NVD Base Score: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: sophos.com
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍

Timelineinfo

05/12/2005 🔍
07/14/2005 +63 days 🔍
07/15/2005 +1 days 🔍
07/15/2005 +0 days 🔍
07/19/2005 +4 days 🔍
11/20/2005 +124 days 🔍
11/22/2024 +6942 days 🔍

Sourcesinfo

Vendor: sophos.com

Advisory: idefense.com⛔
Researcher: http://www.idefense.com
Organization: iDEFENSE
Status: Confirmed

CVE: CVE-2005-1530 (🔍)
GCVE (CVE): GCVE-0-2005-1530
GCVE (VulDB): GCVE-100-1625
X-Force: 21373
SecurityFocus: 14270 - Sophos Anti-Virus BZip2 Archive Handling Remote Denial Of Service Vulnerability
Secunia: 16082 - Sophos Anti-Virus ZIP Archive Denial of Service Vulnerability, Moderately Critical
SecurityTracker: 1014488
Vulnerability Center: 9684 - Sophos DoS via ZIP Files with Large \x27Extra field length\x27, High

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

Entryinfo

Created: 07/15/2005 16:41
Updated: 11/22/2024 02:40
Changes: 07/15/2005 16:41 (73), 09/05/2019 13:32 (4), 03/11/2021 19:01 (2), 11/22/2024 02:40 (17)
Complete: 🔍
Cache ID: 216:A97:103

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

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