CVE-2017-9525

EUVD-2017-18456
In the cron package through 3.0pl1-128 on Debian, and through 3.0pl1-128ubuntu2 on Ubuntu, the postinst maintainer script allows for group-crontab-to-root privilege escalation via symlink attacks against unsafe usage of the chown and chmod programs.
Link Following
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.7 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 19%
Affected Products (NVD)
VendorProductVersion
cron_projectcron
𝑥
≤ 3.0pl1-128.
debiandebian_linux
8.0
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
cron
bookworm
3.0pl1-162
fixed
bullseye
3.0pl1-137
no-dsa
buster
no-dsa
sid
3.0pl1-189
fixed
stretch
no-dsa
trixie
3.0pl1-189
fixed
wheezy
no-dsa
systemd-cron
bookworm
1.15.19-5
fixed
bullseye
no-dsa
buster
no-dsa
sid
2.4.1-1
fixed
stretch
no-dsa
trixie
2.4.1-1
fixed
wheezy
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
cron
artful
ignored
bionic
Fixed 3.0pl1-128.1ubuntu1.2
released
cosmic
ignored
disco
ignored
eoan
not-affected
focal
not-affected
groovy
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
needed
xenial
Fixed 3.0pl1-128ubuntu2+esm2
released
yakkety
ignored
zesty
ignored