Microsoft IIS FTPd NLST Remote Buffer Overflow Vulnerability

Microsoft IIS is prone to a remote stack-based buffer-overflow vulnerability affecting the application's FTP server. An attacker can exploit this issue to execute arbitrary code within the context of the affected application. Failed exploit attempts will result in a denial-of-service condition.

This issue affects the following:

• IIS 5.0
• IIS 5.1
• IIS 6.0 (denial of service only)
• IIS 7.0 (denial of service only)

Note that Microsoft IIS 7.0 with FTP Service 7.5 is not affected.

You can download the exploit from Milw0rm. Thanks to 4xsecurityteam for posting this video.

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Vivek Ramachandran is a security evangelist and has been working in computer security related fields for the past 7 years. In 2007, Vivek spoke at world renowned conferences Defcon (WEP Cloaking Exposed) and Toorcon (The Caffe Latte Attack). The discovery of the Caffe Latte Attack was covered by CBS5 news, BBC online, Network World etc news agencies.In 2006, Vivek was announced as one of winners of the Microsoft Security Shootout contest held in India among 65,000 participants. He has also been a recipient of a Team Achievement at Cisco Systems for his work on 802.1x and Port Security modules on the Catalyst 6500 switches. Currently he spends all of his time maintaining Security- Freak.Net , SecurityTube.Net and is the co-founder of Axonize. Vivek, is a Bachelor in Electronics and Communications Engineering from the prestigious Indian Institute of Technology, Guwahati.You can contact him at vivek[at]securitytube.net