VAR-201505-0140
Vulnerability from variot - Updated: 2023-12-18 13:03Lenovo 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 is prone to a security-bypass vulnerability. Attackers can exploit this issue through man-in-the-middle attacks to execute arbitrary code, which may lead to further attacks. Versions prior to Lenovo System Update 5.6.0.27 are vulnerable. Lenovo System Update (formerly known as ThinkVantage System Update) is a set of system automatic update tools provided by China Lenovo (Lenovo), which includes device driver updates, Windows system patch updates, etc. The vulnerability stems from the fact that the program does not verify the CA chain correctly when performing signature verification operations
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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