CVE-2018-1000878

libarchive: Use after free in RAR decoder resulting in a denial of service

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

libarchive, con el commit con ID 416694915449219d505531b1096384f3237dd6cc y siguientes (desde la v3.1.0) contiene una vulnerabilidad CWE-416: uso de memoria previamente liberada en el descodificador RAR (libarchive/archive_read_support_format_rar.c) que puede resultar en un cierre inesperado/denegación de servicio. Se desconoce si se puede ejecutar código de forma remota. El ataque parece ser explotable si una víctima abre un archivo RAR especialmente manipulado.

The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM images. Libarchive is used notably in the bsdtar utility, scripting language bindings such as python-libarchive, and several popular desktop file managers. Issues addressed include a denial of service vulnerability.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-12-13 CVE Reserved
2018-12-20 CVE Published
2024-08-05 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (17)

URL	Tag	Source
http://www.securityfocus.com/bid/106324	Third Party Advisory
https://github.com/libarchive/libarchive/pull/1105	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/12/msg00011.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909	2023-11-07
https://github.com/libarchive/libarchive/pull/1105/commits/bfcfe6f04ed20db2504db8a254d1f40a1d84eb28	2023-11-07

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html	2023-11-07
https://access.redhat.com/errata/RHSA-2019:2298	2023-11-07
https://access.redhat.com/errata/RHSA-2019:3698	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W645KCLWFDBDGFJHG57WOVXGE62QSIJI	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF	2023-11-07
https://usn.ubuntu.com/3859-1	2023-11-07
https://www.debian.org/security/2018/dsa-4360	2023-11-07
https://access.redhat.com/security/cve/CVE-2018-1000878	2019-11-05
https://bugzilla.redhat.com/show_bug.cgi?id=1663889	2019-11-05

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Libarchive Search vendor "Libarchive"		Libarchive Search vendor "Libarchive" for product "Libarchive"				>= 3.1.0 < 3.4.0 Search vendor "Libarchive" for product "Libarchive" and version " >= 3.1.0 < 3.4.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.10"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				28 Search vendor "Fedoraproject" for product "Fedora" and version "28"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				29 Search vendor "Fedoraproject" for product "Fedora" and version "29"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				30 Search vendor "Fedoraproject" for product "Fedora" and version "30"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.0 Search vendor "Opensuse" for product "Leap" and version "15.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				7.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				7.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				7.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0"		-		Affected