CVE-2018-1079

Name	CVE-2018-1079
Description	pcs before version 0.9.164 and 0.10 is vulnerable to a privilege escalation via authorized user malicious REST call. The REST interface of the pcsd service did not properly sanitize the file name from the /remote/put_file query. If the /etc/booth directory exists, an authenticated attacker with write permissions could create or overwrite arbitrary files with arbitrary data outside of the /etc/booth directory, in the context of the pcsd process.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	895314

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
pcs (PTS)	buster	0.10.1-2	fixed
	buster (security)	0.10.1-2+deb10u1	fixed
	bullseye (security), bullseye	0.10.8-1+deb11u1	fixed
	bookworm	0.11.5-1+deb12u1	fixed
	sid, trixie	0.11.7-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
pcs	source	stretch	(not affected)
pcs	source	(unstable)	0.9.164-1			895314

[stretch] - pcs <not-affected> (Vulnerable code introduced in 0.9.157)
https://www.openwall.com/lists/oss-security/2018/04/09/2