4.6med

CVE-2017-8900

LightDM through 1.22.0, when systemd is used in Ubuntu 16.10 and 17.x, allows physically proximate attackers to bypass intended AppArmor re…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
4.6
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 36%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

0.42% probability of exploitation in the next 30 days, higher than 36% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.04.6CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD2.02.1AV:L/AC:L/Au:N/C:P/I:N/A:N

References

  • securityfocus.com /bid/98554 · vdb-entry, x_refsource_BID, x_transferred
  • ubuntu.com /usn/usn-3285-1/ · x_refsource_CONFIRM, x_transferred
  • people.canonical.com /~ubuntu-security/cve/2017/CVE-2017-8900.html · x_refsource_CONFIRM, x_transferred
  • launchpad.net /bugs/1663157 · x_refsource_CONFIRM, 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.