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Microsoft buffer overflow issue still open 2 years on!

One of the most prolific attack mechanisms used by hackers – buffer overflow attacks, still remains open 2 years after the initial discovery by Trustix Engineers.

New York, 30th April 2004. Almost 2 years after its initial discovery by Trustix Engineers, a critical buffer overflow vulnerability from Microsoft still remains open. The vulnerability should have been fixed in SP1 for Windows XP and SP4 for Windows 2000. However, it has since been confirmed on fully patched systems running Windows XP and Windows 2000 and remains open still.

The Linux world at large recently attacked a report released by the Forrester Group “Is Linux More Secure Than Windows?” as misleading. The report focused on “how quickly serious vulnerabilities get fixed” which as this open issue clearly shows, is measured in years for Microsoft.

The vulnerability is caused by a boundary error, which can be triggered via Internet Explorer and Windows Explorer when connecting to a file server. This can be exploited to cause a buffer overflow by setting up a malicious share with an overly long name (about 300 bytes) containing no lower case characters. Successful exploitation may potentially allow execution of arbitrary code on a user’s system but requires that the user is either tricked into connecting to a malicious file server, visit a malicious website, or follow a specially crafted link.

The flaw was first notified to Microsoft in early 2002 and they said that the flaw needed to be fixed in a service pack instead of a hotfix.” comments Rodrigo Gutierrez, a member of the Trustix Team that discovered the issue. “Last week while doing vulnerability research for a customer, I re-discovered the vulnerability and found out that it wasn’t properly patched

Trustix, provides of the worlds most secure Linux Operating System – Trustix™ OS – Enterprise Server, designed specifically to meet the requirements of the rapidly expanding Enterprise Server market. Whilst focusing on stability, security, reliability and protection against stack-smashing / buffer overflow attacks it also incorporates the industry’s leading fully automatic secure update engine SWUP™.

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The Comodo companies provide the infrastructure that is essential in enabling e-merchants, other Internet-connected companies, software companies, and individual consumers to interact and conduct business via the Internet safely and securely. The Comodo companies offer PKI SSLCode SigningContent Verification and Email Certificate; award winning PC Security software;  Vulnerability Scanning services for PCI Compliance; secure e-mail and fax services.

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