CVE-2020-24332

Name	CVE-2020-24332
Description	An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges, the creation of the system.data file is prone to symlink attacks. The tss user can be used to create or corrupt existing files, which could possibly lead to a DoS attack.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severity	medium

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
trousers (PTS)	buster, stretch	0.3.14+fixed1-1	vulnerable
	bullseye, sid	0.3.14+fixed1-1.1	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
trousers	source	(unstable)	(unfixed)	unimportant

Notes

https://bugzilla.suse.com/show_bug.cgi?id=1164472
https://sourceforge.net/p/trousers/mailman/message/37015817/
https://www.openwall.com/lists/oss-security/2020/08/14/1
In Debian, tcsd gets started under the tss user