CVE-2020-7040

Name	CVE-2020-7040
Description	storeBackup.pl in storeBackup through 3.5 relies on the /tmp/storeBackup.lock pathname, which allows symlink attacks that possibly lead to privilege escalation. (Local users can also create a plain file named /tmp/storeBackup.lock to block use of storeBackup until an admin manually deletes that file.)
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-2095-1
Debian Bugs	949393

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
storebackup (PTS)	buster	3.2.1-2~deb10u1	fixed
	bookworm, bullseye, sid, trixie	3.2.1-2	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
storebackup	source	jessie	3.2.1-1+deb8u1	DLA-2095-1
storebackup	source	stretch	3.2.1-2~deb9u1
storebackup	source	buster	3.2.1-2~deb10u1
storebackup	source	(unstable)	3.2.1-2		949393

Notes

https://bugzilla.suse.com/show_bug.cgi?id=1156767
https://www.openwall.com/lists/oss-security/2020/01/20/3
SuSE provided patch: https://www.openwall.com/lists/oss-security/2020/01/20/3/1