Vulnerabilidades

Lenovo System Update (formerly ThinkVantage System Update) before 5.07.0013 allows local users to submit commands to the System Update service (SUService.exe) and gain privileges by launching signed Lenovo executables.

Lenovo System Update (formerly ThinkVantage System Update) before 5.07.0019 allows local users to gain privileges by navigating to (1) "Click here to learn more" or (2) "View privacy policy" within the Tvsukernel.exe GUI application in the context of a temporary administrator account, aka a "local privilege escalation…

Lenovo System Update (formerly ThinkVantage System Update) before 5.07.0019 allows local users to gain privileges by making a prediction of tvsu_tmp_xxxxxXXXXX account credentials that requires knowledge of the time that this account was created, aka a "temporary administrator account vulnerability."

Race condition in Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 uses world-writable permissions for the update files directory, which allows local users to gain privileges by writing to an update file after the signature is validated.

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.

Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 uses predictable security tokens, which allows 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.

The client in Lenovo System Update before 3.14 does not properly validate the certificate when establishing an SSL connection, which allows remote attackers to install arbitrary packages via an SSL certificate whose X.509 headers match a public certificate used by IBM.