CVE-2020-35766

Name	CVE-2020-35766
Description	The test suite in libopendkim in OpenDKIM through 2.10.3 allows local users to gain privileges via a symlink attack against the /tmp/testkeys file (related to t-testdata.h, t-setup.c, and t-cleanup.c). NOTE: this is applicable to persons who choose to engage in the "A number of self-test programs are included here for unit-testing the library" situation.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
opendkim (PTS)	jessie	2.9.2-2+deb8u1	vulnerable
	stretch (lts), stretch	2.11.0~alpha-10+deb9u2	vulnerable
	buster	2.11.0~alpha-12	vulnerable
	buster (security)	2.11.0~alpha-12+deb10u1	vulnerable
	bullseye	2.11.0~beta2-4+deb11u1	vulnerable
	bookworm	2.11.0~beta2-8+deb12u1	vulnerable
	sid, trixie	2.11.0~beta2-9	vulnerable

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

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

https://github.com/trusteddomainproject/OpenDKIM/issues/113