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Family: Red Hat Local Security Checks --> Category: infos

RHSA-2004-449: cups Vulnerability Scan

Vulnerability Scan Summary
Check for the version of the cups packages

Detailed Explanation for this Vulnerability Test

Updated cups packages that fix a denial of service vulnerability are now

The Common UNIX Printing System (CUPS) is a print spooler.

Alvaro Martinez Echevarria reported a bug in the CUPS Internet Printing
Protocol (IPP) implementation in versions of CUPS prior to 1.1.21. An
attacker could send a carefully crafted UDP packet to the IPP port which
could cause CUPS to stop listening to the port and result in a denial of
service. In order to exploit this bug, a possible hacker would need to have the
ability to send a UDP packet to the IPP port (by default 631). The
Common Vulnerabilities and Exposures project ( has assigned
the name CVE-2004-0558 to this issue.

All users of cups should upgrade to these updated packages, which contain a
backported patch as well as a fix for a non-exploitable off-by-one bug.

Solution :
Threat Level: High

Click HERE for more information and discussions on this network vulnerability scan.


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