CVE-2022-34266 Denial of service in n/a
Attackers can cause a denial of service via a malicious TIFF file triggering a segfault in LibTIFF due to uninitialized resource usage.
- 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-2022-34266?
CVE-2022-34266 is a medium-severity denial of service vulnerability in Libtiff Libtiff, published on 19 Jul 2022. 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 libtiff-4.0.3-35.amzn2.0.1 package for LibTIFF on Amazon Linux 2 allows attackers to cause a denial of service (application crash), a different vulnerability than CVE-2022-0562. When processing a malicious TIFF file, an invalid range may be passed as an argument to the memset() function within TIFFFetchStripThing() in tif_dirread.c. This will cause TIFFFetchStripThing() to segfault after use of an uninitialized resource.
Weakness: CWE-908
Which versions are affected by CVE-2022-34266?
It affects 1 product.
Products include Libtiff Libtiff.
How do I fix CVE-2022-34266?
Upgrade to a fixed version.
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-2022-34266 being exploited?
There is no known exploitation of CVE-2022-34266 in the wild and no public exploit code.
Other vulnerabilities in Libtiff Libtiff
Sources
Also known as ALPINE-CVE-2022-34266, AZL-45039, GHSA-q3wp-jqqj-9mvf, UBUNTU-CVE-2022-34266.