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TITLE:
Cairo PNG Image Processing Integer Overflow

SECUNIA ADVISORY ID:
SA27880

VERIFY ADVISORY:
http://secunia.com/advisories/27880/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Cairo 1.x
http://secunia.com/product/16764/

DESCRIPTION:
A vulnerability has been reported in Cairo, which potentially can be
exploited by malicious people to compromise an application using the
library.

The vulnerability is caused due to an integer overflow error within
the "read_png()" function in cairo-png.c. This can be exploited to
cause a heap-based buffer overflow via a specially crafted PNG file.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is reported in versions prior to 1.4.12.

SOLUTION:
Update to version 1.4.12.

PROVIDED AND/OR DISCOVERED BY:
Red Hat credits Peter Valchev, Google Security Team.

ORIGINAL ADVISORY:
Red Hat:
https://bugzilla.redhat.com/show_bug.cgi?id=387431

Cairo:
http://cairographics.org/news/cairo-1.4.12/

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