#VU13982 Divide-by-zero in OpenJPEG - CVE-2018-14423

Vulnerability identifier: #VU13982

Vulnerability risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-14423

CWE-ID: CWE-369

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 cause DoS condition on the target system.

The vulnerability exists due to multiple division-by-zero conditions that exist in the pi_next_pcrl, pi_next_cprl, and pi_next_rpcl functions, as defined in the lib/openjp3d/pi.c source code file. A remote attacker can trick the victim into opening a specially crafted file with an application that uses the affected library and cause the affected application to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

OpenJPEG: 1.3 - 2.3.0

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External links
https://github.com/uclouvain/openjpeg/issues/1123

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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.