CVE-2015-3245

Name	CVE-2015-3245
Description	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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DLA-468-1
Debian Bugs	793465

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libuser (PTS)	buster	1:0.62~dfsg-0.1	fixed
	bullseye	1:0.62~dfsg-0.4	fixed
	bookworm, sid	1:0.63~dfsg-4	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libuser	source	wheezy	1:0.56.9.dfsg.1-1.2+deb7u1		DLA-468-1
libuser	source	(unstable)	1:0.62~dfsg-0.1			793465

[jessie] - libuser <no-dsa> (Minor issue)
initially attributed to usermode package, root-cause fixed in libuser instead