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TITLE:
libexif EXIF Tag Parsing Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA15259

VERIFY ADVISORY:
http://secunia.com/advisories/15259/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
libexif 0.x
http://secunia.com/product/4755/

DESCRIPTION:
Matthias Clasen has reported a vulnerability in libexif, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an infinite recursion in the
"exif_data_load_data_content()" function and can be exploited to
cause a stack overflow when parsing a specially crafted image.

Successful exploitation may crash an application linked against the
vulnerable library.

SOLUTION:
Don't process untrusted images in applications linked against the
vulnerable library.

PROVIDED AND/OR DISCOVERED BY:
Matthias Clasen

ORIGINAL ADVISORY:
http://sourceforge.net/tracker/index.php?func=detail&aid=1196787&group_id=12272&atid=112272

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