Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 does not properly validate CA chains during signature validation, which allows man-in-the-middle attackers to upload and execute arbitrary files via a crafted certificate.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| System_update | Lenovo | * | 5.06.0027 (including) |
References
- http://securitytracker.com/id/1032268
- http://support.lenovo.com/us/en/product_security/lsu_privilege
- http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf
- http://www.securityfocus.com/bid/74642
- http://securitytracker.com/id/1032268
- http://support.lenovo.com/us/en/product_security/lsu_privilege
- http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf
- http://www.securityfocus.com/bid/74642