CVE-2018-8905 Memory corruption in n/a
A heap-based buffer overflow in LibTIFF allows attackers to execute arbitrary code or cause 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-2018-8905?
CVE-2018-8905 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 22 Mar 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, a heap-based buffer overflow occurs in the function LZWDecodeCompat in tif_lzw.c via a crafted TIFF file, as demonstrated by tiff2ps.
Weakness: CWE-787
Which versions are affected by CVE-2018-8905?
It affects 6 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Libtiff Libtiff, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.
How do I fix CVE-2018-8905?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-8905 being exploited?
There is no known exploitation of CVE-2018-8905 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2018-8905, DEBIAN-CVE-2018-8905, DLA-1377-1, DLA-1378-1, GHSA-hjgx-w465-2m2j, UBUNTU-CVE-2018-8905.