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ProZilla "ftpsearch" Buffer Overflow Vulnerability
Secunia Advisory: SA17021
Release Date: 2005-10-03
Popularity: 6,158 views

Critical:
Moderately critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

Software:ProZilla 1.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Tavis Ormandy has reported a vulnerability in ProZilla, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error in the handling of ftp search results in the "get_string_ahref()" function of "ftpsearch.c". This can be exploited to cause a stack-based buffer overflow and allows arbitrary code execution via a malicious server that returns a search result with a specially crafted string in the "HREF" attribute of the "<A>" tag.

Successful exploitation requires that ProZilla is used with the "-ftpsearch" option, and also requires that the attacker is able to poison the DNS cache.

The vulnerability has been reported in version 1.3.7.4. Prior versions may also be affected.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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