Yahoo! Messenger could allow an attacker to add a user to a victims buddy list
| yahoo-buddylist-add-user (10639) |  Medium Risk |
Description:
Yahoo! Messenger could allow a remote attacker with a Yahoo! Messenger account to add an unauthorized user to a victim's buddy list. If a remote attacker sends a message with the unauthorized user account and the victim responds, the attacker could obtain sensitive information from the reply, such as the victim's IP address.
Consequences:
Obtain Information
Remedy:
It has been reported that Yahoo! has changed its Yahoo! Messenger server infrastructure to protect against this vulnerability.
References:
- BugTraq Mailing List, Thu Feb 21 2002 - 11:03:57 CST: Remote crashes in Yahoo messenger.
- CVE-2002-1664: Yahoo! Messenger before February 2002 allows remote attackers to add arbitrary users to another user's buddy list and possibly obtain sensitive information.
- US-CERT VU#393195: Yahoo! Messenger allows arbitrary users to be added to buddy list without proper authorization
Platforms Affected:
- Yahoo Messenger 5.0
Reported:
Feb 21, 2002
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net