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Amavis file Integer Underflow and Denial of Service
Secunia Advisory: SA25578
Release Date: 2007-06-06
Popularity: 4,594 views

Critical:
Highly critical
Impact: DoS
System access
Where: From remote
Solution Status: Partial Fix

Software:AMaViS (A Mail Virus Scanner) 0.x
amavisd-new 2.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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

Description:
A vulnerability and a security issue have been reported in Amavis, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially to compromise a vulnerable system.

1) An integer underflow error in the "file" utility can be exploited to cause a heap-based buffer overflow.

For more information:
SA24548

2) The problem is caused due to certain regular expressions in "file", which can consume all available CPU resources when identifying a specially crafted file.

For more information:
SA24918

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



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