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qmail Memory Corruption Vulnerability
Secunia Advisory: SA15533
Release Date: 2005-05-31
Last Update: 2006-02-01
Popularity: 9,574 views

Critical:
Less critical
Impact: DoS
System access
Where: From remote
Solution Status: Vendor Workaround

Software:qmail 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:
Georgi Guninski has reported a vulnerability in qmail, which can be exploited by malicious people to compromise a vulnerable system.

A signedness error in the "commands()" function in commands.c can be exploited to corrupt memory via specially crafted data passed via qpopup/qpop3d or potentially qmail-smtpd.

Successful exploitation allows execution of arbitrary code, but only affects 64-bit systems with about 10GB of virtual memory.

Various types of other errors, which also potentially can be exploited to execute code, have also been reported.

The vulnerability has been reported in version 1.0.3. Other versions may also be affected.

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



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