CVE-2015-2234

high

Description

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.

References

http://www.securityfocus.com/bid/74634

http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf

http://support.lenovo.com/us/en/product_security/lsu_privilege

http://securitytracker.com/id/1032268

Details

Source: Mitre, NVD

Published: 2015-05-12

Updated: 2017-01-03

Risk Information

CVSS v2

Base Score: 6.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High