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TITLE:
BitchX "MODE" Buffer Overflow

SECUNIA ADVISORY ID:
SA26578

VERIFY ADVISORY:
http://secunia.com/advisories/26578/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
BitchX 1.x
http://secunia.com/product/1095/

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

The vulnerability is caused due to a boundary error when handling IRC
MODE messages. This can be exploited to cause a buffer overflow by
sending a MODE message with an overly long parameter to an affected
IRC client.

Successful exploitation may allow the execution of arbitrary code,
but requires that the user is tricked into connecting to a malicious
server.

The vulnerability is reported in BitchX 1.1. Other versions may also
be affected.

SOLUTION:
Do not connect to untrusted IRC servers.

PROVIDED AND/OR DISCOVERED BY:
bannedit

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/4321

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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.

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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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