Divide-by-zero in openjpeg (Alpine package)

1) Divide-by-zero

EUVDB-ID: #VU13982

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 - Divide By Zero

Exploit availability: No

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 (Alpine package): 1.5.1-r0 - 2.3.0-r0

CPE2.3

• cpe:2.3:o:alpine:openjpeg_alpine_package:1.5.1-r0:*:*:*:*:alpine_linux:*:2.6
• cpe:2.3:o:alpine:openjpeg_alpine_package:2.1.0-r0:*:*:*:*:alpine_linux:*:3.1
• cpe:2.3:o:alpine:openjpeg_alpine_package:2.1.0-r1:*:*:*:*:alpine_linux:*:3.1

External links

https://git.alpinelinux.org/aports/commit/?id=18df15dbb366dab8b2d3261d3758f99b8524906d
https://git.alpinelinux.org/aports/commit/?id=f2c26c7c744245bc3ea738b6a304b4206ba171f4
https://git.alpinelinux.org/aports/commit/?id=12fd347ffe7f9822f46f4cb6f4841ab6fa558edd
https://git.alpinelinux.org/aports/commit/?id=50f991efc36983c48ef31001e2cb0433b2745479
https://git.alpinelinux.org/aports/commit/?id=b02bbf085421c6efa07378f71077a1a317428866

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.