CVE-2019-20373

EUVD-2019-10925
LTSP LDM through 2.18.06 allows fat-client root access because the LDM_USERNAME variable may have an empty value if the user's shell lacks support for Bourne shell syntax. This is related to a run-x-session script.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 36%
Affected Products (NVD)
VendorProductVersion
debiandebian_linux
8.0
debiandebian_linux
9.0
debiandebian_linux
10.0
ltspldm
𝑥
≤ 2.18.06
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
ldm
bionic
needs-triage
disco
ignored
eoan
ignored
focal
Fixed 2:2.18.06-1+deb10u1build0.20.04.1
released
groovy
ignored
hirsute
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
needs-triage
References
https://git.launchpad.net/~ltsp-upstream/ltsp/+git/ldm/commit/?id=c351ac69ef63ed6c84221cef73e409059661b8ba
https://lists.debian.org/debian-lts-announce/2020/01/msg00007.html
https://www.debian.org/security/2020/dsa-4601
https://git.launchpad.net/~ltsp-upstream/ltsp/+git/ldm/commit/?id=c351ac69ef63ed6c84221cef73e409059661b8ba
https://lists.debian.org/debian-lts-announce/2020/01/msg00007.html
https://www.debian.org/security/2020/dsa-4601