CVE-2018-11489 Memory corruption in n/a
Heap-based buffer overflow in GIFLIB allows attackers to cause denial of service or potentially execute arbitrary code via crafted GIF files.
- 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-2018-11489?
CVE-2018-11489 is a high-severity memory corruption vulnerability in n/a, published on 26 May 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
The DGifDecompressLine function in dgif_lib.c in GIFLIB (possibly version 3.0.x), as later shipped in cgif.c in sam2p 0.49.4, has a heap-based buffer overflow because a certain CrntCode array index is not checked. This will lead to a denial of service or possibly unspecified other impact.
Which versions are affected by CVE-2018-11489?
It affects 2 products.
Products include Giflib Project Giflib, Sam2p Project Sam2p.
How do I fix CVE-2018-11489?
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-2018-11489 being exploited?
There is no known exploitation of CVE-2018-11489 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2018-11489, GHSA-w8g7-8frf-5h65.