CVE-2020-27842

openjpeg: null pointer dereference in opj_tgt_reset function in lib/openjp2/tgt.c

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

There's a flaw in openjpeg's t2 encoder in versions prior to 2.4.0. An attacker who is able to provide crafted input to be processed by openjpeg could cause a null pointer dereference. The highest impact of this flaw is to application availability.

Se presenta un fallo en el codificador t2 de openjpeg en versiones anteriores a 2.4.0. Un atacante que sea capaz de proporcionar una entrada diseñada para ser procesada por openjpeg podría causar una desreferencia del puntero null. El mayor impacto de este fallo es la disponibilidad de la aplicación

A flaw was found in OpenJPEG’s t2 encoder. This flaw allows an attacker who can provide crafted input to be processed by OpenJPEG to cause a NULL pointer dereference issue. The highest threat to this vulnerability is to system availability.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-10-27 CVE Reserved
2021-01-05 CVE Published
2024-08-04 CVE Updated
2024-11-09 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (8)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2022/04/msg00006.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=1907513	2021-11-09
https://www.oracle.com//security-alerts/cpujul2021.html	2023-11-07
https://www.oracle.com/security-alerts/cpuApr2021.html	2023-11-07

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV	2023-11-07
https://security.gentoo.org/glsa/202101-29	2023-11-07
https://www.debian.org/security/2021/dsa-4882	2023-11-07
https://access.redhat.com/security/cve/CVE-2020-27842	2021-11-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Uclouvain Search vendor "Uclouvain"		Openjpeg Search vendor "Uclouvain" for product "Openjpeg"				< 2.4.0 Search vendor "Uclouvain" for product "Openjpeg" and version " < 2.4.0"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Extra Packages For Enterprise Linux Search vendor "Fedoraproject" for product "Extra Packages For Enterprise Linux"				7.0 Search vendor "Fedoraproject" for product "Extra Packages For Enterprise Linux" and version "7.0"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				32 Search vendor "Fedoraproject" for product "Fedora" and version "32"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				33 Search vendor "Fedoraproject" for product "Fedora" and version "33"		-		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
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected
Redhat Search vendor "Redhat"		Codeready Linux Builder Search vendor "Redhat" for product "Codeready Linux Builder"				8.0 Search vendor "Redhat" for product "Codeready Linux Builder" and version "8.0"		-		Affected
Redhat Search vendor "Redhat"		Codeready Linux Builder For Ibm Z Systems Search vendor "Redhat" for product "Codeready Linux Builder For Ibm Z Systems"				8.0 Search vendor "Redhat" for product "Codeready Linux Builder For Ibm Z Systems" and version "8.0"		-		Affected
Redhat Search vendor "Redhat"		Codeready Linux Builder For Power Little Endian Search vendor "Redhat" for product "Codeready Linux Builder For Power Little Endian"				8.0 Search vendor "Redhat" for product "Codeready Linux Builder For Power Little Endian" and version "8.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux For Ibm Z Systems Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems"				8.0 Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems" and version "8.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux For Power Little Endian Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian"				8.0 Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian" and version "8.0"		-		Affected
Oracle Search vendor "Oracle"		Outside In Technology Search vendor "Oracle" for product "Outside In Technology"				8.5.5 Search vendor "Oracle" for product "Outside In Technology" and version "8.5.5"		-		Affected