NTA Monitor

Latest News

New version of network scanning tool arp-scan released

15th March 2011 A new version of a respected and popular network scanning tool has been released. Read More

Tests show rise in number of vulnerabilities affecting web applications with SQL Injection and XSS most common flaws

1st March 2011 SQL injection and cross-site scripting (XSS) were the most common flaws found in web applications in 2010 according to results from tests carried out by NTA Monitor. Read More

Assess risk to manage effects of budget cuts

9th February 2011 Signs of economic recovery may be appearing in some industries, but for most organisations - particularly in the public sector - budget cuts and cost savings are here to stay for the foreseeable future. Read More

"Basic security threats not changed in 15 years"

1st February 2011 There may have been significant technological advances to the hardware and software organisations use, but according to Roy Hills, who co-founded NTA Monitor in 1996, the basic security threats have not changed in the last 15 years. Read More
Date: 30th September 2005
Risk: High

You rely on a host of security measure to protect your computers from threats; increasingly, hackers are targeting security products such as VPNs and Firewalls. And in this case, an anti-virus software has been found vulnerable.

Sophos Anti-Virus Buffer Overflow Vulnerability

A buffer overflow vulnerability has been discovered in some versions of Sophos Anti-Virus (SAV). The vulnerability is due to an error in veex.dll when parsing Visio files and can be exploited to cause a heap-based buffer overflow via a specially crafted Visio file. Successful exploitation allows execution of arbitrary code.

According to Sophos, there have not been examples of attempts to exploit this vulnerability. Sophos has also released patched versions of all its products to protect against this vulnerability.

Customers using EM Library and Sophos small business solutions will receive these updates automatically.

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