CVE-2018-1000637 Memory corruption in n/a
A buffer overflow in zutils allows attackers to execute arbitrary code or cause denial of service by tricking users into opening a crafted compressed file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-1000637?
CVE-2018-1000637 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 20 Aug 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
zutils version prior to version 1.8-pre2 contains a Buffer Overflow vulnerability in zcat that can result in Potential denial of service or arbitrary code execution. This attack appear to be exploitable via the victim openning a crafted compressed file. This vulnerability appears to have been fixed in 1.8-pre2.
Weakness: CWE-119
Which versions are affected by CVE-2018-1000637?
It affects 2 products.
Products include Debian Debian Linux, Nongnu Zutils.
How do I fix CVE-2018-1000637?
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-2018-1000637 being exploited?
There is no known exploitation of CVE-2018-1000637 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2018-1000637, DLA-1505-1, GHSA-px98-fj37-9hmp, UBUNTU-CVE-2018-1000637.