CVE-2017-12982 Denial of service in n/a
Remote attackers can cause a denial of service via memory allocation failure in OpenJPEG by providing a BMP file with a zero biBitCount header.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-12982?
CVE-2017-12982 is a medium-severity denial of service vulnerability in Uclouvain Openjpeg, published on 21 Aug 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
The bmp_read_info_header function in bin/jp2/convertbmp.c in OpenJPEG 2.2.0 does not reject headers with a zero biBitCount, which allows remote attackers to cause a denial of service (memory allocation failure) in the opj_image_create function in lib/openjp2/image.c, related to the opj_aligned_alloc_n function in opj_malloc.c.
Weakness: CWE-119
Which versions are affected by CVE-2017-12982?
It affects 1 product.
Products include Uclouvain Openjpeg.
How do I fix CVE-2017-12982?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-12982 being exploited?
There is no known exploitation of CVE-2017-12982 in the wild and no public exploit code.
Other vulnerabilities in Uclouvain Openjpeg
Sources
Also known as ALPINE-CVE-2017-12982, DEBIAN-CVE-2017-12982, GHSA-4v94-xg8j-pp22, UBUNTU-CVE-2017-12982.