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CVE-2015-3245

Published: 11 August 2015

Incomplete blacklist vulnerability in the chfn function in libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, allows local users to cause a denial of service (/etc/passwd corruption) via a newline character in the GECOS field.

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

Low

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/