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Secunia Security Advisory 22510

Secunia Security Advisory 22510
Posted Oct 25, 2006
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Gianni Amato has discovered a weakness in Yahoo! Messenger, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service
SHA-256 | 185d0e9d467c756252e22e42aa6a58a720cd485f7c9a45c4ea2aac9ac898fd19

Secunia Security Advisory 22510

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Want to work within IT-Security?

Secunia is expanding its team of highly skilled security experts.
We will help with relocation and obtaining a work permit.

Currently the following type of positions are available:
http://secunia.com/hardcore_disassembler_and_reverse_engineer/

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TITLE:
Yahoo! Messenger Conference Invite Denial of Service

SECUNIA ADVISORY ID:
SA22510

VERIFY ADVISORY:
http://secunia.com/advisories/22510/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Yahoo! Messenger 8.x
http://secunia.com/product/12122/

DESCRIPTION:
Gianni Amato has discovered a weakness in Yahoo! Messenger, which can
be exploited by malicious people to cause a DoS (Denial of Service).

The weakness is caused due to a NULL pointer dereference error when
processing received conference invites. This can be exploited to
crash arbitrary users' Yahoo! Messenger clients by sending a
Conference Invite packet containing a specially crafted "room name"
string.

The vulnerability is confirmed in version 8.0.0.716. Other versions
may also be affected.

SOLUTION:
Update to version 8.1.0.195 or later.

PROVIDED AND/OR DISCOVERED BY:
Gianni Amato

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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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