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TITLE:
Yelp Invalid URI Format String Vulnerability

SECUNIA ADVISORY ID:
SA31465

VERIFY ADVISORY:
http://secunia.com/advisories/31465/

CRITICAL:
Highly critical

IMPACT:
DoS, System access

WHERE:
>From remote

SOFTWARE:
Yelp 2.x
http://secunia.com/product/19574/

DESCRIPTION:
A vulnerability has been reported in Yelp, which potentially can be
exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a format string error when
reporting an invalid URI to the user. This can be exploited by
tricking the user into e.g. opening a specially crafted URI
containing format string specifiers.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is reported in version 2.23.1. Other versions may
also be affected.

SOLUTION:
Do not open untrusted links using Yelp.

Fixed in the SVN repository.

PROVIDED AND/OR DISCOVERED BY:
Aaron Grattafiori

ORIGINAL ADVISORY:
http://bugzilla.gnome.org/show_bug.cgi?id=546364

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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:
http://secunia.com/secunia_security_advisories/

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


Please Note:
Secunia recommends that you verify all advisories you receive by
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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