#VU20493 Integer overflow in OpenJPEG - CVE-2018-5785

Vulnerability identifier: #VU20493

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenJPEG
Universal components / Libraries / Libraries used by multiple products

Vendor: openjpeg.org

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.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

OpenJPEG: 2.3.0

---

External links
https://github.com/uclouvain/openjpeg/issues/1057
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 authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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