CVE-2018-1000877

2018-12-2000:00:00

ubuntu.com

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.016 Low

EPSS

Percentile

87.3%

JSON

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.

Bugs

<http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=916964>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlibarchive< 3.2.2-3.1ubuntu0.2UNKNOWN
ubuntu18.10noarchlibarchive< 3.2.2-5ubuntu0.1UNKNOWN
ubuntu14.04noarchlibarchive< 3.1.2-7ubuntu2.7UNKNOWN
ubuntu16.04noarchlibarchive< 3.1.2-11ubuntu0.16.04.5UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	libarchive	< 3.2.2-3.1ubuntu0.2	UNKNOWN
ubuntu	18.10	noarch	libarchive	< 3.2.2-5ubuntu0.1	UNKNOWN
ubuntu	14.04	noarch	libarchive	< 3.1.2-7ubuntu2.7	UNKNOWN
ubuntu	16.04	noarch	libarchive	< 3.1.2-11ubuntu0.16.04.5	UNKNOWN