Vulnerability CVE-2015-2219
Published: 2015-05-12

Description:
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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Lenovo System Update Privilege Escalation
h0ng10
24.05.2015

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Lenovo -> System update 

 References:
http://securitytracker.com/id/1032268
http://support.lenovo.com/us/en/product_security/lsu_privilege
http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf
http://www.securityfocus.com/bid/74649
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