CVE-2017-9079

Name	CVE-2017-9079
Description	Dropbear before 2017.75 might allow local users to read certain files as root, if the file has the authorized_keys file format with a command= option. This occurs because ~/.ssh/authorized_keys is read with root privileges and symlinks are followed.
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-948-1, DSA-3859-1
Debian Bugs	862970

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
dropbear (PTS)	jessie, jessie (lts)	2014.65-1+deb8u3	fixed
	stretch	2016.74-5+deb9u1	fixed
	buster (security), buster, buster (lts)	2018.76-5+deb10u2	fixed
	bullseye	2020.81-3+deb11u2	fixed
	bookworm	2022.83-1+deb12u2	fixed
	sid, trixie	2024.86-1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
dropbear	source	wheezy	2012.55-1.3+deb7u2	DLA-948-1
dropbear	source	jessie	2014.65-1+deb8u2	DSA-3859-1
dropbear	source	(unstable)	2016.74-5		862970

Patch: https://hg.ucc.asn.au/dropbear/rev/0d889b068123