Access Restriction Bypass Affecting sddm/sddm package, versions [,0.13.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-UNMANAGED-SDDMSDDM-2365917
  • published26 Jan 2022
  • disclosed24 Nov 2015
  • creditUnknown

Introduced: 24 Nov 2015

CVE-2015-0856  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade sddm/sddm to version 0.13.0 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which allows local users to gain privileges by crashing a greeter when using certain themes, as demonstrated by the plasma-workspace breeze theme.

CVSS Base Scores

version 3.1