Vulnerability CVE-2018-20845

Vulnerability Name:

CVE-2018-20845 (CCN-168433)

Assigned:

2018-11-23

Published:

2018-11-23

Updated:

2023-02-27

Summary:

Division-by-zero vulnerabilities in the functions pi_next_pcrl, pi_next_cprl, and pi_next_rpcl in openmj2/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service (application crash).

CVSS v3 Severity:

6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

5.3 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

Vulnerability Type:

CWE-369

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2018-20845

Source: cve@mitre.org
Type: Broken Link, Third Party Advisory, VDB Entry
cve@mitre.org

Source: CCN
Type: Red Hat Bugzilla Bug 1728505
(CVE-2018-20845) - CVE-2018-20845 openjpeg: division-by-zero in function pi_next_pcrl, pi_next_cprl, and pi_next_rpcl in openmj2/pi.c

Source: XF
Type: UNKNOWN
openjpeg-cve201820845-dos(168433)

Source: CCN
Type: OpenJPEG GIT Repository
Fix multiple potential vulnerabilities and bugs #1168

Source: cve@mitre.org
Type: Patch
cve@mitre.org

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-20845

Vulnerable Configuration:

Configuration RedHat 1:

cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

Configuration RedHat 2:

cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

Configuration RedHat 3:

cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*

Configuration CCN 1:

cpe:/a:uclouvain:openjpeg:2.3.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:7629	P	libopenjp2-7-2.3.0-150000.3.8.1 on GA media (Moderate)	2023-06-12
oval:org.opensuse.security:def:3044	P	cups-filters-1.0.58-19.5.1 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:94674	P	libopenjp2-7-2.3.0-150000.3.5.1 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:119062	P	Security update for openjpeg2 (Important)	2022-04-19
oval:org.opensuse.security:def:856	P	Security update for openjpeg2 (Important)	2022-04-19
oval:org.opensuse.security:def:119179	P	Security update for openjpeg2 (Important)	2022-04-19
oval:org.opensuse.security:def:1507	P	Security update for openjpeg2 (Important)	2022-04-19
oval:org.opensuse.security:def:118682	P	Security update for openjpeg2 (Important)	2022-04-19
oval:org.opensuse.security:def:101587	P	Security update for openjpeg2 (Important)	2022-04-19
oval:org.opensuse.security:def:119369	P	Security update for openjpeg2 (Important)	2022-04-19
oval:org.opensuse.security:def:118872	P	Security update for openjpeg2 (Important)	2022-04-19
oval:org.opensuse.security:def:102087	P	Security update for openjpeg2 (Important)	2022-04-19
oval:org.opensuse.security:def:119554	P	Security update for openjpeg2 (Important)	2022-04-19
oval:org.opensuse.security:def:125687	P	Security update for openjpeg2 (Important)	2022-04-07
oval:org.opensuse.security:def:6002	P	Security update for openjpeg2 (Important)	2022-04-07
oval:org.opensuse.security:def:126853	P	Security update for openjpeg2 (Important)	2022-04-07
oval:org.opensuse.security:def:127250	P	Security update for openjpeg2 (Important)	2022-04-07
oval:com.redhat.rhsa:def:20214251	P	RHSA-2021:4251: openjpeg2 security update (Moderate)	2021-11-09
oval:com.ubuntu.cosmic:def:2018208450000000	V	CVE-2018-20845 on Ubuntu 18.10 (cosmic) - medium.	2019-06-26
oval:com.ubuntu.bionic:def:2018208450000000	V	CVE-2018-20845 on Ubuntu 18.04 LTS (bionic) - medium.	2019-06-26
oval:com.ubuntu.xenial:def:2018208450000000	V	CVE-2018-20845 on Ubuntu 16.04 LTS (xenial) - medium.	2019-06-26
oval:com.ubuntu.disco:def:2018208450000000	V	CVE-2018-20845 on Ubuntu 19.04 (disco) - medium.	2019-06-26

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