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CUPS Empty UDP Datagram Denial of Service Vulnerability
Secunia Advisory: SA12556
Release Date: 2004-09-16
Popularity: 9,477 views

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

Software:CUPS 1.x

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CVE reference:CVE-2004-0558


Description:
Alvaro Martinez Echevarria has reported a vulnerability in CUPS, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to insufficient validation of UDP datagrams in cupsd. This can be exploited by sending an empty UDP datagram to port 631, which can cause cupsd to stop listening on that port.

Solution:
The vulnerability has been fixed in version 1.1.21rc2.
http://www.cups.org/

Provided and/or discovered by:
Alvaro Martinez Echevarria

Original Advisory:
http://www.cups.org/str.php?L863


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