Denial of service in OpenJPEG

Published: 2019-01-30 | Updated: 2020-12-29

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2018-18088 CVE-2018-5785
CWE-ID	CWE-476 CWE-190
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	OpenJPEG Universal components / Libraries / Libraries used by multiple products
Vendor	openjpeg.org

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

Updated: 30.08.2019

Added vulnerabilities #2-3.

Updated: 29.12.2020

Moved vulnerability #VU17319 to bulletin SB2020011450.

1) NULL pointer dereference

EUVDB-ID: #VU20492

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-18088

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dreference error in the imagetopnm function of jp2/convert. A remote attacker can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

OpenJPEG: 2.3.0

CPE2.3

cpe:2.3:a:openjpeg_org:openjpeg:2.3.0:*:*:*:*:*:*:*

External links

https://github.com/uclouvain/openjpeg/issues/1152
https://lists.debian.org/debian-lts-announce/2018/11/msg00018.html
https://usn.ubuntu.com/4109-1/
https://www.debian.org/security/2019/dsa-4405

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Integer overflow

EUVDB-ID: #VU20493

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-5785

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform denial of service (DoS) attack.

The vulnerability exists due to integer overflow in opj_j2k_setup_encoder function (openjp2/j2k.c). A remote attacker can create a specially crafted bmp image, trigger integer overflow and crash the affected application.