vulnwire
7.0high

CVE-2018-8885

screenresolution-mechanism in screen-resolution-extra 0.17.2 does not properly use the PolicyKit D-Bus API, which allows local users to byp…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.0
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.2%
percentile 12%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

0.21% probability of exploitation in the next 30 days, higher than 12% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.0CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.04.4AV:L/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

  • usn.ubuntu.com /3607-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.