CVE-2017-17942 Memory corruption in n/a
A heap-based buffer over-read in LibTIFF allows attackers to cause denial of service or disclose sensitive memory contents via crafted TIFF files.
- 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-2017-17942?
CVE-2017-17942 is a high-severity memory corruption vulnerability in Libtiff Libtiff, published on 28 Dec 2017. 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 heap-based buffer over-read in the function PackBitsEncode in tif_packbits.c.
Weakness: CWE-125
Which versions are affected by CVE-2017-17942?
It affects 1 product.
Products include Libtiff Libtiff.
How do I fix CVE-2017-17942?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-17942 being exploited?
There is no known exploitation of CVE-2017-17942 in the wild and no public exploit code.
Other vulnerabilities in Libtiff Libtiff
Sources
Also known as DEBIAN-CVE-2017-17942, GHSA-pcrj-6r6v-pxpg, UBUNTU-CVE-2017-17942.