NULL pointer dereference in openjpeg (Alpine package)

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 (Alpine package): 2.3.0-r0

CPE2.3

• cpe:2.3:o:alpine:openjpeg_alpine_package:2.3.0-r0:*:*:*:*:alpine_linux:*:3.4

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
https://git.alpinelinux.org/aports/commit/?id=5b27b635acbe69cadaffce1fbe4b69d8256c1315
https://git.alpinelinux.org/aports/commit/?id=63abfe33f12495cf5ac86d5fd590f018538d33b1
https://git.alpinelinux.org/aports/commit/?id=6dd49eeff4953456d2d668b4e7653967a44a4972
https://git.alpinelinux.org/aports/commit/?id=c1056d67e6379994bfff3cc8ff60b100bb94f0a0

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.