CVE-2016-6223 Integer overflow in n/a
Remote attackers can cause a crash or read sensitive information via a negative index in libtiff's file-content buffer.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-6223?
CVE-2016-6223 is a critical vulnerability in Libtiff Libtiff, published on 23 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The TIFFReadRawStrip1 and TIFFReadRawTile1 functions in tif_read.c in libtiff before 4.0.7 allows remote attackers to cause a denial of service (crash) or possibly obtain sensitive information via a negative index in a file-content buffer.
Weakness: CWE-189
Which versions are affected by CVE-2016-6223?
It affects 1 product.
Products include Libtiff Libtiff.
How do I fix CVE-2016-6223?
Upgrade to a fixed version.
Is CVE-2016-6223 being exploited?
There is no known exploitation of CVE-2016-6223 in the wild and no public exploit code.
Other vulnerabilities in Libtiff Libtiff
Sources
Also known as DEBIAN-CVE-2016-6223, GHSA-5rxj-349x-j69q, UBUNTU-CVE-2016-6223.