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>> Cairo "read_png()" PNG Image Processing Integer Overflow Vulnerability

Title : Cairo "read_png()" PNG Image Processing Integer Overflow Vulnerability
VUPEN ID : VUPEN/ADV-2007-4045
CVE ID : CVE-2007-5503
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-11-30


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in Cairo, which could be exploited by attackers to cause a denial of service or execute arbitrary code. This issue is caused by an integer overflow error in the "read_png()" [cairo-png.c] function when processing malformed data, which could be exploited by attackers to crash an affected application or compromise a vulnerable system via a specially crafted PNG image.

Affected Products

Cairo versions prior to 1.4.12

Solution

Upgrade to Cairo version 1.4.12 :
http://cairographics.org/releases/cairo-1.4.12.tar.gz

References

http://www.vupen.com/english/advisories/2007/4045
http://cairographics.org/news/cairo-1.4.12/
https://bugzilla.redhat.com/show_bug.cgi?id=387431

Credits

Vulnerability reported by Peter Valchev (Google Security Team).

ChangeLog

2007-11-30 : Initial release

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