Yahoo! Messenger ActiveX control denial of service
| yahoo-messenger-activex-dos (54263) |  Medium Risk |
Description:
The Yahoo! Messenger ActiveX control (YahooBridgeLib.dll) is vulnerable to a denial of service, caused by a NULL pointer dereference. By persuading a victim to visit a specially-crafted Web page, a remote attacker could exploit this vulnerability using the RegisterMe() method to cause the affected application to crash.
*CVSS:
| Base Score: | 7.1 |
| Access Vector: | Network |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Complete |
| Temporal Score: | 6.4 |
| Exploitability: | Functional |
| Remediation Level: | Unavailable |
| Report Confidence: | Uncorroborated |
Consequences:
Denial of Service
Remedy:
No remedy available as of May 1, 2013.
References:
- BugTraq Mailing List, Thu Nov 12 2009: Yahoo Messenger 9 ActiveX DoS (Null Pointer) Vulnerability.
- Yahoo! Messenger Web site: Yahoo! Messenger - Chat, Instant message, SMS, PC Calls and More.
- BID-37007: Yahoo! Messenger 'YahooBridgeLib.dll' ActiveX Control Remote Denial of Service Vulnerability
- CVE-2009-4171: An ActiveX control in YahooBridgeLib.dll for Yahoo! Messenger 9.0.0.2162, and possibly other 9.0 versions, allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) by calling the RegisterMe method with a long argument.
- OSVDB ID: 60629: Yahoo! Messenger YahooBridgeLib.dll ActiveX RegisterMe Method Remote DoS
Platforms Affected:
- Yahoo Messenger 9.0
- Yahoo Messenger 9.0.0.2162
Reported:
Nov 12, 2009
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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.