CVE-2017-12944 Denial of service in n/a
Remote attackers can cause a denial of service via memory allocation failure in LibTIFF when processing short TIFF files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-12944?
CVE-2017-12944 is a high-severity denial of service vulnerability in Libtiff Libtiff, published on 18 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The TIFFReadDirEntryArray function in tif_read.c in LibTIFF 4.0.8 mishandles memory allocation for short files, which allows remote attackers to cause a denial of service (allocation failure and application crash) in the TIFFFetchStripThing function in tif_dirread.c during a tiff2pdf invocation.
Weakness: CWE-770
Which versions are affected by CVE-2017-12944?
It affects 1 product.
Products include Libtiff Libtiff.
How do I fix CVE-2017-12944?
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-2017-12944 being exploited?
There is no known exploitation of CVE-2017-12944 in the wild and no public exploit code.
Other vulnerabilities in Libtiff Libtiff
Sources
Also known as DEBIAN-CVE-2017-12944, GHSA-r6g8-rrwj-46q5, UBUNTU-CVE-2017-12944.