Description
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.
Metrics
CVSS 2.0 8.3/10
AV:A/AC:L/Au:N/C:C/I:C/A:CWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://securitytracker.com/id/1032268
- http://support.lenovo.com/us/en/product_security/lsu_privilegeVendor Advisory
- 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_privilegeVendor Advisory
- http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf
- http://www.securityfocus.com/bid/74642
Timeline
- Published
- May 12, 2015
- Last modified
- Jun 17, 2026
- NVD status
- Modified