CVE-2018-7648 Memory corruption in n/a
A buffer overflow in OpenJPEG allows attackers to execute arbitrary code or cause denial of service via a long command-line prefix.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-7648?
CVE-2018-7648 is a critical memory corruption vulnerability in Uclouvain Openjpeg, published on 2 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in mj2/opj_mj2_extract.c in OpenJPEG 2.3.0. The output prefix was not checked for length, which could overflow a buffer, when providing a prefix with 50 or more characters on the command line.
Weakness: CWE-119
Which versions are affected by CVE-2018-7648?
It affects 1 product.
Products include Uclouvain Openjpeg.
How do I fix CVE-2018-7648?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-7648 being exploited?
There is no known exploitation of CVE-2018-7648 in the wild and no public exploit code.
Other vulnerabilities in Uclouvain Openjpeg
Sources
Also known as DEBIAN-CVE-2018-7648, GHSA-8pw2-vgv2-w498.