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Avahi "consume_labels()" Denial of Service Vulnerability
Secunia Advisory: SA23660
Release Date: 2007-01-08
Popularity: 5,732 views

Critical:
Less critical
Impact: DoS
Where: From local network
Solution Status: Vendor Patch

Software:Avahi 0.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 has been reported in Avahi, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within the "consume_labels()" function in avahi-core/dns.c when handling compressed packets. This can be exploited to cause an endless loop by sending specially crafted packets with compression labels that refer each other.

The vulnerability is reported in versions prior to Avahi 0.6.16.

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



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