CVE-2017-18013 Null dereference in n/a
A null pointer dereference in LibTIFF allows attackers to cause a denial of service via a crafted TIFF file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-18013?
CVE-2017-18013 is a medium-severity vulnerability in Libtiff Libtiff, published on 1 Jan 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In LibTIFF 4.0.9, there is a Null-Pointer Dereference in the tif_print.c TIFFPrintDirectory function, as demonstrated by a tiffinfo crash.
Weakness: CWE-476
Which versions are affected by CVE-2017-18013?
It affects 1 product.
Products include Libtiff Libtiff.
How do I fix CVE-2017-18013?
Apply the vendor's patch.
Is CVE-2017-18013 being exploited?
There is no known exploitation of CVE-2017-18013 in the wild and no public exploit code.
Other vulnerabilities in Libtiff Libtiff
Sources
Also known as ALPINE-CVE-2017-18013, DEBIAN-CVE-2017-18013, DLA-1259-1, DLA-1260-1, GHSA-cp7r-wf78-8x92, UBUNTU-CVE-2017-18013.