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USN-563-1: CUPS vulnerabilities

09 January 2008

CUPS vulnerabilities




Wei Wang discovered that the SNMP discovery backend did not
correctly calculate the length of strings. If a user were tricked into
scanning for printers, a remote attacker could send a specially crafted
packet and possibly execute arbitrary code.

Elias Pipping discovered that temporary files were not handled safely
in certain situations when converting PDF to PS. A local attacker could
cause a denial of service.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 7.10
Ubuntu 7.04
Ubuntu 6.10
Ubuntu 6.06

In general, a standard system upgrade is sufficient to effect the
necessary changes.