CVE-2018-20337 Memory corruption in n/a
A stack-based buffer overflow in LibRaw allows attackers to cause denial of service or potentially execute code via crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-20337?
CVE-2018-20337 is a high-severity memory corruption vulnerability in Libraw Libraw, published on 21 Dec 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
There is a stack-based buffer overflow in the parse_makernote function of dcraw_common.cpp in LibRaw 0.19.1. Crafted input will lead to a denial of service or possibly unspecified other impact.
Weakness: CWE-787
Which versions are affected by CVE-2018-20337?
It affects 1 product.
Products include Libraw Libraw.
How do I fix CVE-2018-20337?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-20337 being exploited?
There is no known exploitation of CVE-2018-20337 in the wild and no public exploit code.
Other vulnerabilities in Libraw Libraw
Sources
Also known as DEBIAN-CVE-2018-20337, GHSA-c9h6-p6mv-6rr7, UBUNTU-CVE-2018-20337.