CVE-2015-2233
HighSummary
Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 does not properly validate CA chains during signature validation, allowing man-in-the-middle attackers to upload and execute arbitrary files via a crafted certificate.
Risk Assessment
This vulnerability poses a risk to organizations as attackers can exploit it to introduce malware or unauthorized changes to the system.
Recommendation
It is recommended to update Lenovo System Update to version 5.06.0034 or later to mitigate this threat.
Other vulnerabilities in Lenovo System Update
See all- CVE-2015-6971High
Lenovo System Update (formerly ThinkVantage System Update) before version 5.07.0013 allows local users to submit commands to the System Update service (SUService.exe) and gain privileges by launching signed Lenovo executables.
- CVE-2015-8109High
Lenovo System Update before version 5.07.0019 allows local users to gain privileges by predicting the tvsu_tmp_xxxxxXXXXX account credentials, which requires knowledge of the time this account was created.
- CVE-2015-2219High
Lenovo System Update before version 5.06.0034 uses predictable security tokens, allowing local users to gain privileges by sending a valid token with a command to the System Update service (SUService.exe) through an unspecified named pipe.
- CVE-2026-6387High
A potential authentication bypass vulnerability was reported in Lenovo System Update that could allow a local authenticated user to execute arbitrary code with elevated privileges.
Original NVD description (English source)
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.