CVE-2020-24332

NameCVE-2020-24332
DescriptionAn 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.
SourceCVE (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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
trousers (PTS)buster0.3.14+fixed1-1vulnerable
bullseye0.3.14+fixed1-1.2vulnerable
bookworm, sid0.3.15-0.2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
trouserssource(unstable)0.3.15-0.1unimportant

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

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