CVE-2017-12424

Name	CVE-2017-12424
Description	In shadow before 4.5, the newusers tool could be made to manipulate internal data structures in ways unintended by the authors. Malformed input may lead to crashes (with a buffer overflow or other memory corruption) or other unspecified behaviors. This crosses a privilege boundary in, for example, certain web-hosting environments in which a Control Panel allows an unprivileged user account to create subaccounts.
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-2596-1
Debian Bugs	756630

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
shadow (PTS)	buster	1:4.5-1.1	fixed
	bullseye	1:4.8.1-1	fixed
	bookworm, sid	1:4.13+dfsg1-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
shadow	source	stretch	1:4.4-4.1+deb9u1		DLA-2596-1
shadow	source	(unstable)	1:4.5-1			756630

Notes

[jessie] - shadow <no-dsa> (Minor issue)
[wheezy] - shadow <no-dsa> (Minor issue)
https://bugs.launchpad.net/ubuntu/+source/shadow/+bug/1266675
https://github.com/shadow-maint/shadow/commit/954e3d2e7113e9ac06632aee3c69b8d818cc8952 (4.5)