Improper Access Control Affecting canonical/lightdm package, versions [,1.22.0]


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.42% (36th percentile)

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  • Snyk IDSNYK-UNMANAGED-CANONICALLIGHTDM-2368734
  • published26 Jan 2022
  • disclosed12 May 2017
  • creditUnknown

Introduced: 12 May 2017

CVE-2017-8900  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

There is no fixed version for canonical/lightdm.

Overview

Affected versions of this package are vulnerable to Improper Access Control. LightDM through 1.22.0, when systemd is used in Ubuntu 16.10 and 17.x, allows physically proximate attackers to bypass intended AppArmor restrictions and visit the home directories of arbitrary users by establishing a guest session.

References

CVSS Base Scores

version 3.1