CVE-2019-18408

libarchive: use-after-free in archive_read_format_rar_read_data when there is an error in the decompression of an archive entry

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

archive_read_format_rar_read_data in archive_read_support_format_rar.c in libarchive before 3.4.0 has a use-after-free in a certain ARCHIVE_FAILED situation, related to Ppmd7_DecodeSymbol.

La función archive_read_format_rar_read_data en el archivo archive_read_support_format_rar.c en libarchive versiones anteriores a 3.4.0, presenta un uso de la memoria previamente liberada en una determinada situación de ARCHIVE_FAILED, relacionada con Ppmd7_DecodeSymbol.

A use-after-free vulnerability was discovered in libarchive in the way it processes RAR archives when there is an error in one of the archive's entries. An application that accepts untrusted RAR archives may be vulnerable to this flaw, which could allow a remote attacker to cause a denial of service or to potentially execute code.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-10-24 CVE Reserved
2019-10-24 CVE Published
2024-08-05 CVE Updated
2024-10-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (17)

URL	Tag	Source
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14689	Third Party Advisory
https://github.com/libarchive/libarchive/compare/v3.3.3...v3.4.0	Release Notes
https://lists.debian.org/debian-lts-announce/2019/10/msg00034.html	Mailing List
https://seclists.org/bugtraq/2019/Nov/2	Mailing List
https://support.f5.com/csp/article/K52144175?utm_source=f5support&amp%3Butm_medium=RSS	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC
https://github.com/libarchive/libarchive/commit/b8592ecba2f9e451e1f5cb7ab6dcee8b8e7b3f60	2023-11-07

URL	Date	SRC
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-2020:0203	2023-11-07
https://access.redhat.com/errata/RHSA-2020:0246	2023-11-07
https://access.redhat.com/errata/RHSA-2020:0271	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6LZ4VJGTCYEJSDLOEWUUFG6TM4SUPFSY	2023-11-07
https://security.gentoo.org/glsa/202003-28	2023-11-07
https://usn.ubuntu.com/4169-1	2023-11-07
https://www.debian.org/security/2019/dsa-4557	2023-11-07
https://access.redhat.com/security/cve/CVE-2019-18408	2020-01-29
https://bugzilla.redhat.com/show_bug.cgi?id=1769979	2020-01-29

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"	< 3.4.0 Search vendor "Libarchive" for product "Libarchive" and version " < 3.4.0"	-	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
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
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"		esm		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"				19.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "19.04"		-		Affected