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securityvulnsSecurityvulnsSECURITYVULNS:DOC:17945
HistorySep 06, 2007 - 12:00 a.m.

Sophos Anti-Virus 6.5.4 Vulnerability

2007-09-0600:00:00
vulners.com
14

Name Cross Site Scripting Vulnerability in Sophos Anti-Virus
Systems Affected Sophos Anti-Virus, version 6.5.4 R2
Severity Medium
Category Cross Site Scripting
Author Context Information Security Ltd
Advisory 6th September 2007

Description

A ZIP archive containing a virus signature with a malformed file name will cause a Cross Site Scripting vulnerability to be triggered from within the Sophos Anti Virus client.

Analysis

When Sophos anti-virus scans a specially crafted ZIP archive containing a XSS attack string, it will internally log the string. When this information is accessed via the Sophos client (SavMain.exe) the XSS attack string is unencoded. When the print function is called, the application can be used to run arbitrary code on the target machine from an external attacker?s submitted file.

Technologies Affected

Sophos Anti-Virus, version 6.5.4 R2

Resolution

Update to version 6.5.8 or 7.0.

Vendor Response

Sophos have patched this issue in version 7.01.

CVE Details

This issue has been provisionally assigned a CVE candidate number of CVE-2007-4512

Disclosure Timeline

18 April 2007 ? Initial Discovery and vendor notification
19 April 2007 ? Vendor Response
21 August 2007 ? Second Vendor Response
6 September 2007 - Coordinated Public Release

Credits

Michael Jordon of Context Information Security Ltd

About Context Information Security

Context Information Security Limited is a specialist information security consultancy based in London and Frankfurt. Context promotes the holistic approach to information security and helps clients to identify, assess and control their exposure to risk within the fields of IT, telephony and physical security. Context employs experienced information security professionals who are subject-matter experts in their various technical specialisms. Context works extensively within the finance, legal, defence and government sectors, delivering high-end information security projects to organisations for which security is a priority.

Web: www.contextis.co.uk
Email: disclosure (at) contextis.co (dot) uk [email concealed]

About Sophos

"Sophos is a world leader in IT security and control solutions purpose-built for business, education, government organizations and service providers. Our reliably engineered, easy-to-operate products protect over 100 million users in more than 150 countries from viruses, spyware, adware, Trojans, intrusion, spam, policy abuse, and uncontrolled network access."

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