PublicDateAtUSN: 2018-12-20
Candidate: CVE-2018-1000877
PublicDate: 2018-12-20 17:29:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000877
 https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909
 https://github.com/libarchive/libarchive/pull/1105
 https://ubuntu.com/security/notices/USN-3859-1
Description:
 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.
Ubuntu-Description:
Notes:
Bugs:
 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=916964
Priority: medium
Discovered-by:
Assigned-to: leosilva
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H [8.8 HIGH]


Patches_libarchive:
 upstream: https://github.com/libarchive/libarchive/pull/1105/commits/021efa522ad729ff0f5806c4ce53e4a6cc1daa31
upstream_libarchive: needs-triage
precise/esm_libarchive: DNE
trusty_libarchive: released (3.1.2-7ubuntu2.7)
trusty/esm_libarchive: released (3.1.2-7ubuntu2.7)
xenial_libarchive: released (3.1.2-11ubuntu0.16.04.5)
esm-infra/xenial_libarchive: released (3.1.2-11ubuntu0.16.04.5)
bionic_libarchive: released (3.2.2-3.1ubuntu0.2)
cosmic_libarchive: released (3.2.2-5ubuntu0.1)
devel_libarchive: released (3.3.3-2)