CVE-2017-9147 Denial of service in n/a
Remote attackers can cause a denial of service via a crafted TIFF file due to an invalid read in LibTIFF.
- 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-2017-9147?
CVE-2017-9147 is a medium-severity denial of service vulnerability in Libtiff Libtiff, published on 22 May 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
LibTIFF 4.0.7 has an invalid read in the _TIFFVGetField function in tif_dir.c, which might allow remote attackers to cause a denial of service (crash) via a crafted TIFF file.
Weakness: CWE-125
Which versions are affected by CVE-2017-9147?
It affects 1 product.
Products include Libtiff Libtiff.
How do I fix CVE-2017-9147?
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-2017-9147 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-9147 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Libtiff Libtiff
Sources
Also known as DEBIAN-CVE-2017-9147, GHSA-xphx-pcmh-58pq, UBUNTU-CVE-2017-9147.