CVE-2023-2908 Libtiff: null pointer dereference in tif_dir.c
An attacker can cause a denial of service by providing a crafted TIFF image to the tiffcp utility, triggering a null pointer dereference crash.
- 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-2023-2908?
CVE-2023-2908 is a medium-severity vulnerability in Libtiff Libtiff, published on 30 Jun 2023. 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
A null pointer dereference issue was found in Libtiff's tif_dir.c file. This issue may allow an attacker to pass a crafted TIFF image file to the tiffcp utility which triggers a runtime error that causes undefined behavior. This will result in an application crash, eventually leading to a denial of service.
Weakness: CWE-476
Which versions are affected by CVE-2023-2908?
It affects 1 product.
Products include Libtiff Libtiff.
How do I fix CVE-2023-2908?
Apply the vendor's patch.
Is CVE-2023-2908 being exploited?
There is no known exploitation of CVE-2023-2908 in the wild and no public exploit code.
Other vulnerabilities in Libtiff Libtiff
Sources
Also known as AZL-27302, AZL-43699, AZL-44682, BELL-CVE-2023-2908, DEBIAN-CVE-2023-2908, GHSA-7278-8hvx-pp94 and 2 more.