Exploit the possiblities

Secunia Security Advisory 24487

Secunia Security Advisory 24487
Posted Mar 13, 2007
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Marsu Pilami has discovered a vulnerability in NewsReactor, which can be exploited by malicious people to compromise a user's system.

tags | advisory
MD5 | ef1634be29ec6fecb6dec93fcc007743

Secunia Security Advisory 24487

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Want a new job?
http://secunia.com/secunia_vacancies/

Secunia is looking for new researchers with a reversing background
and experience in writing exploit code:
http://secunia.com/hardcore_disassembler_and_reverse_engineer/
http://secunia.com/Disassembling_og_Reversing/

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TITLE:
NewsReactor Article Processing yEncode "name" Buffer Overflow

SECUNIA ADVISORY ID:
SA24487

VERIFY ADVISORY:
http://secunia.com/advisories/24487/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
NewsReactor
http://secunia.com/product/13645/

DESCRIPTION:
Marsu Pilami has discovered a vulnerability in NewsReactor, which can
be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error when processing
articles downloaded from a news server. This can be exploited to
cause a stack-based buffer overflow via a specially crafted article
with an overly long (greater than 200 bytes) yEncode "name" keyword
posted to the news server.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in build 20070220.21. Other versions
may also be affected.

SOLUTION:
Download articles from trusted news servers only.

PROVIDED AND/OR DISCOVERED BY:
Marsu Pilami

ORIGINAL ADVISORY:
http://www.milw0rm.com/exploits/3462
http://www.milw0rm.com/exploits/3463

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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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