CVE-2018-1000877

Published: 20 December 2018

libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-415: Double Free vulnerability in RAR decoder - libarchive/archive_read_support_format_rar.c, parse_codes(), realloc(rar->lzss.window, new_size) with new_size = 0 that can result in Crash/DoS. This attack appear to be exploitable via the victim must open a specially crafted RAR archive.

Priority

Medium

CVSS 3 base score: 8.8

Status

Package Release Status
libarchive
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 18.04 LTS (Bionic Beaver)
Released (3.2.2-3.1ubuntu0.2)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (3.1.2-11ubuntu0.16.04.5)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (3.1.2-7ubuntu2.7)
Patches:
Upstream: https://github.com/libarchive/libarchive/pull/1105/commits/021efa522ad729ff0f5806c4ce53e4a6cc1daa31