Yahoo! Messenger could allow an attacker to spoof usernames
| yahoo-messenger-username-spoof (8267) |  Low Risk |
Description:
Yahoo! Messenger could allow a remote attacker to send messages using a spoofed username. This could allow an attacker to pose as other Yahoo! Messenger users or flood a recipient with messages without being identified.
Platforms Affected:
- Yahoo, Messenger 5.0
Remedy:
Upgrade to the latest version of Yahoo! Messenger (5.0 Build 1065 or later), available from the Yahoo! Messenger Web site. See References.
Consequences:
Other
References:
- BugTraq Mailing List, Thu Feb 21 2002 - 11:03:57 CST, Remote crashes in Yahoo messenger at http://archives.neohapsis.com/archives/bugtraq/2002-02/0246.html.
- CERT Advisory CA-2002-16, Multiple Vulnerabilities in Yahoo! Messenger at http://www.cert.org/advisories/CA-2002-16.html.
- Yahoo! Messenger Web site, Download Yahoo! Messenger at http://messenger.yahoo.com/messenger/download/index.html.
- BID-4164: Yahoo! Instant Messenger Spoofed Username Vulnerability
- CVE-2002-0321: Yahoo! Messenger 5.0 allows remote attackers to spoof other users by modifying the username and using the spoofed username for social engineering or denial of service (flooding) attacks.
- US-CERT VU#952875: Yahoo! Messenger is vulnerable to DoS via multiple messages from spoofed names
Reported:
Feb 21, 2002
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