CVE-2016-3634 Denial of service in n/a
Remote attackers can cause a denial of service via an out-of-bounds read in the LibTIFF thumbnail tool.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-3634?
CVE-2016-3634 is a high-severity denial of service vulnerability in Libtiff Libtiff, published on 3 Oct 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The tagCompare function in tif_dirinfo.c in the thumbnail tool in LibTIFF 4.0.6 and earlier allows remote attackers to cause a denial of service (out-of-bounds read) via vectors related to field_tag matching.
Weakness: CWE-125
Which versions are affected by CVE-2016-3634?
It affects 1 product.
Products include Libtiff Libtiff.
How do I fix CVE-2016-3634?
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-2016-3634 being exploited?
There is no known exploitation of CVE-2016-3634 in the wild and no public exploit code.
Other vulnerabilities in Libtiff Libtiff
Sources
Also known as DEBIAN-CVE-2016-3634, GHSA-2442-7hjc-vgc3, UBUNTU-CVE-2016-3634.