#VU36803 NULL pointer dereference in OpenJPEG and Debian Linux - CVE-2016-9572

Vulnerability identifier: #VU36803

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-9572

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenJPEG
Universal components / Libraries / Libraries used by multiple products
Debian Linux
Operating systems & Components / Operating system

Vendor: openjpeg.org
Debian

Description

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

The vulnerability exists due to a NULL pointer dereference error in the way openjpeg 2.1.2 decoded certain input images. Due to a logic error in the code responsible for decoding the input image, an application using openjpeg to process image data could crash when processing a crafted image. A remote attacker can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

OpenJPEG: 2.1.2

Debian Linux: 2.1.2 - 8.0

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External links
https://www.securityfocus.com/bid/109233
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9572
https://github.com/szukw000/openjpeg/commit/7b28bd2b723df6be09fe7791eba33147c1c47d0d
https://github.com/uclouvain/openjpeg/issues/863
https://security.gentoo.org/glsa/201710-26
https://www.debian.org/security/2017/dsa-3768
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html

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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.