CVE-2017-7358

In LightDM through 1.22.0, a directory traversal issue in debian/guest-account.sh allows local attackers to own arbitrary directory path locations and escalate privileges to root when the guest user logs out.
Path Traversal
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.3 HIGH
LOCAL
LOW
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 76%
VendorProductVersion
lightdm_projectlightdm
𝑥
≤ 1.22.0
canonicalubuntu_linux
16.04
canonicalubuntu_linux
16.10
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
lightdm
bullseye
1.26.0-7
fixed
bookworm
1.26.0-8
fixed
sid
1.32.0-6
fixed
trixie
1.32.0-6
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
lightdm
yakkety
Fixed 1.19.5-0ubuntu1.1
released
xenial
Fixed 1.18.3-0ubuntu1.1
released
trusty
dne
precise
not-affected