CVE-2018-1000877 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html http://www.securityfocus.com/bid/106324 https://access.redhat.com/errata/RHSA-2019:2298 https://access.redhat.com/errata/RHSA-2019:3698 https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909 https://github.com/libarchive/libarchive/pull/1105 https://github.com/libarchive/libarchive/pull/1105/commits/021efa522ad729ff0f5806c4ce53e4a6cc1daa31 https://lists.debian.org/debian-lts-announce/2018/12/msg00011.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W645KCLWFDBDGFJHG57WOVXGE62QSIJI/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/ https://usn.ubuntu.com/3859-1/ https://www.debian.org/security/2018/dsa-4360

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8