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CVE-2018-8885

Publication date 26 March 2018

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

7.0 · High

Score breakdown

screenresolution-mechanism in screen-resolution-extra 0.17.2 does not properly use the PolicyKit D-Bus API, which allows local users to bypass intended access restrictions by leveraging a race condition via a setuid or pkexec process that is mishandled in a PolicyKitService._check_permission call.

Status

Package Ubuntu Release Status
screen-resolution-extra 17.10 artful
Fixed 0.17.1.1
16.04 LTS xenial
Fixed 0.17.1.1~16.04.1
14.04 LTS trusty
Fixed 0.17.1.1~14.04.1

Severity score breakdown

Parameter Value
Base score 7.0 · High
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3607-1
    • Screen Resolution Extra vulnerability
    • 26 March 2018

Other references