Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2015-3246

Published: 11 August 2015

libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, which allows local users to cause a denial of service (inconsistent file state) by causing an error during the modification. NOTE: this issue can be combined with CVE-2015-3245 to gain privileges.

From the Ubuntu Security Team

It was discovered that libuser has incomplete blacklist vulnerability. A local user could use it to cause a denial of service.

Priority

Medium

Status

Package Release Status
libuser
Launchpad, Ubuntu, Debian
artful Not vulnerable
(1:0.62~dfsg-0.1)
bionic Not vulnerable
(1:0.62~dfsg-0.1)
cosmic Not vulnerable
(1:0.62~dfsg-0.1)
disco Not vulnerable
(1:0.62~dfsg-0.1)
eoan Not vulnerable
(1:0.62~dfsg-0.1)
focal Not vulnerable
(1:0.62~dfsg-0.1)
groovy Not vulnerable
(1:0.62~dfsg-0.1)
hirsute Not vulnerable
(1:0.62~dfsg-0.1)
impish Not vulnerable
(1:0.62~dfsg-0.1)
jammy Not vulnerable
(1:0.62~dfsg-0.1)
kinetic Not vulnerable
(1:0.62~dfsg-0.1)
lunar Not vulnerable
(1:0.62~dfsg-0.1)
mantic Not vulnerable
(1:0.62~dfsg-0.1)
precise Ignored
(end of life)
trusty
Released (1:0.56.9.dfsg.1-1.2ubuntu2+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (1:0.62~dfsg-0.1)
vivid Ignored
(end of life)
wily Ignored
(end of life)
xenial Needed

yakkety Not vulnerable
(1:0.62~dfsg-0.1)
zesty Not vulnerable
(1:0.62~dfsg-0.1)
Patches:
upstream: https://fedorahosted.org/libuser/changeset/d73aa2a5a9ce5bdd349dff46e3e4885f2b194a95/