CVE-2018-1000878

MEDIUM

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.

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html

http://www.securityfocus.com/bid/106324

https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909

https://github.com/libarchive/libarchive/pull/1105

https://github.com/libarchive/libarchive/pull/1105/commits/bfcfe6f04ed20db2504db8a254d1f40a1d84eb28

https://lists.debian.org/debian-lts-announce/2018/12/msg00011.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/

https://lists.fedoraproject.org/archives/list/[email protected]/message/W645KCLWFDBDGFJHG57WOVXGE62QSIJI/

https://lists.fedoraproject.org/archives/list/[email protected]/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/

https://usn.ubuntu.com/3859-1/

https://www.debian.org/security/2018/dsa-4360

Details

Source: MITRE

Published: 2018-12-20

Updated: 2019-04-12

Type: CWE-416

Risk Information

CVSS v2.0

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH