CVE-2018-1000878

Name	CVE-2018-1000878
Description	libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-416: Use After Free vulnerability in RAR decoder - libarchive/archive_read_support_format_rar.c that can result in Crash/DoS - it is unknown if RCE is possible. This attack appear to be exploitable via the victim must open a specially crafted RAR archive.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DLA-1612-1, DSA-4360-1
NVD severity	medium (attack range: remote)
Debian Bugs	916963

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libarchive (PTS)	jessie	3.1.2-11+deb8u3	vulnerable
	jessie (security)	3.1.2-11+deb8u7	fixed
	stretch (security), stretch	3.2.2-2+deb9u1	fixed
	buster, sid	3.3.3-4	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libarchive	source	(unstable)	3.3.3-2	medium		916963
libarchive	source	jessie	3.1.2-11+deb8u6	medium	DLA-1612-1
libarchive	source	stretch	3.2.2-2+deb9u1	medium	DSA-4360-1

Notes

https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909
https://github.com/libarchive/libarchive/pull/1105
Introduced after: https://github.com/libarchive/libarchive/commit/416694915449219d505531b1096384f3237dd6cc
Fixed by: https://github.com/libarchive/libarchive/commit/bfcfe6f04ed20db2504db8a254d1f40a1d84eb28