CVE-2018-17795 Memory corruption in n/a
Remote attackers can cause denial of service or potential code execution via a crafted TIFF file due to a heap-based buffer overflow 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-2018-17795?
CVE-2018-17795 is a high-severity memory corruption vulnerability in Libtiff Libtiff, published on 30 Sep 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
The function t2p_write_pdf in tiff2pdf.c in LibTIFF 4.0.9 and earlier allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted TIFF file, a similar issue to CVE-2017-9935.
Weakness: CWE-787
Which versions are affected by CVE-2018-17795?
It affects 1 product.
Products include Libtiff Libtiff.
How do I fix CVE-2018-17795?
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-2018-17795 being exploited?
There is no known exploitation of CVE-2018-17795 in the wild and no public exploit code.
Other vulnerabilities in Libtiff Libtiff
Sources
Also known as DEBIAN-CVE-2018-17795, GHSA-96fq-9mpq-xgqj, UBUNTU-CVE-2018-17795.