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TITLE:
Adobe Acrobat/Reader "util.printf()" Buffer Overflow

SECUNIA ADVISORY ID:
SA29773

VERIFY ADVISORY:
http://secunia.com/advisories/29773/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Adobe Acrobat 8.x
http://secunia.com/advisories/product/12256/
Adobe Reader 8.x
http://secunia.com/advisories/product/12829/

DESCRIPTION:
Secunia Research has discovered a vulnerability in Adobe
Reader/Acrobat, which can be exploited by malicious people to
compromise a user's system.

The vulnerability is caused due to a boundary error when parsing
format strings containing a floating point specifier in the
"util.printf()" Javascript function and can be exploited to cause a
stack-based buffer overflow via a specially crafted PDF.

Successful exploitation may allow execution of arbitrary code, but
requires that the user is e.g. tricked into opening a malicious PDF
file.

The vulnerability is confirmed in Adobe Reader version 8.1.2. Other
versions may also be affected.

SOLUTION:
The vendor will be releasing fixes later today.

NOTE: This was supposed to be a coordinated disclosure with Adobe,
but a third party has leaked the information.

PROVIDED AND/OR DISCOVERED BY:
Dyon Balding, Secunia Research.

ORIGINAL ADVISORY:
Secunia Research:
http://secunia.com/secunia_research/2008-14/

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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.

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


Please Note:
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clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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