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2003: 2,700 advisories published
2004: 3,100 advisories published
2005: 4,600 advisories published
2006: 5,300 advisories published

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TITLE:
CUPS IPP Tags Memory Corruption Vulnerability

SECUNIA ADVISORY ID:
SA27233

VERIFY ADVISORY:
http://secunia.com/advisories/27233/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From local network

SOFTWARE:
CUPS 1.x
http://secunia.com/product/921/

DESCRIPTION:
Secunia Research has discovered a vulnerability in CUPS, which can be
exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error within the
"ippReadIO()" function in cups/ipp.c when processing IPP (Internet
Printing Protocol) tags. This can be exploited to overwrite one byte
on the stack with a zero by sending an IPP request containing
specially crafted "textWithLanguage" or "nameWithLanguage" tags.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in version 1.3.3. Other versions may
also be affected.

SOLUTION:
Use CUPS in trusted network environments only.

PROVIDED AND/OR DISCOVERED BY:
Alin Rad Pop, Secunia Research.

ORIGINAL ADVISORY:
Secunia Research:
http://secunia.com/secunia_research/2007-76/

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


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