Yahoo! Messenger address book buffer overflow

yahoo-messenger-address-book-bo (35434)

High Risk

Description:

Yahoo! Messenger is vulnerable to a buffer overflow. By persuading a victim to add a specially-crafted address book entry, a remote attacker could overflow a buffer and execute arbitrary code on the system with the privileges of the user or cause the victim's application to crash.

*CVSS:

Base Score:	8
Access Vector:	Remote
Access Complexity:	High
Authentication:	Not Required
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete
Temporal Score:	6.8
Exploitability:	Unproven
Remediation Level:	Unavailable
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Yahoo! has implemented a server side fix for this vulnerability.

References:

• XDisclose Advisory XD100002: Yahoo Messenger 8.1 Address Book Buffer Overflow.
• Yahoo! Messenger Web site: Yahoo! Messenger for the Web.
• BID-24926: Yahoo! Messenger Address Book Remote Buffer Overflow Vulnerabilitiy
• CVE-2007-3928: Buffer overflow in Yahoo! Messenger 8.1 allows user-assisted remote authenticated users to execute arbitrary code via a long e-mail address in an address book entry. NOTE: this might overlap CVE-2007-3638.
• SA26066: Yahoo! Messenger Long Email Address Book Buffer Overflow
• SECTRACK ID: 1018398: Yahoo Messenger Buffer Overflow in Address Book May Let Users Execute Arbitrary Code

Platforms Affected:

• Yahoo Messenger 8.1

Reported:

Jul 17, 2007

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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 IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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