Temporary Administrator Account Vulnerability in Lenovo System Update
CVE-2015-8109

7HIGH

Key Information:

Vendor

Lenovo
Status
Lenovo System Update
Vendor
CVE Published:
24 April 2017

What is CVE-2015-8109?

Lenovo System Update, also known as ThinkVantage System Update, prior to version 5.07.0019 contains a vulnerability that allows local users to exploit predictable temporary account credentials to gain administrative privileges. This occurs when an attacker accurately predicts the creation time of the tvsu_tmp_xxxxxXXXXX account, enabling unauthorized access and potential system compromise.

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References

http://www.securityfocus.com/bid/98039
vdb-entryx_refsource_BID
https://ioactive.com/pdfs/IOActive_Advisory_Lenovo_System...
x_refsource_MISC
https://support.lenovo.com/us/en/product_security/lsu_pri...
x_refsource_CONFIRM

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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