CVE-2020-14393 Memory corruption in perl-dbi
A local attacker can trigger a buffer overflow in the Perl DBI library via long strings, causing service disruption or data corruption.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-14393?
CVE-2020-14393 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 16 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A buffer overflow was found in perl-DBI < 1.643 in DBI.xs. A local attacker who is able to supply a string longer than 300 characters could cause an out-of-bounds write, affecting the availability of the service or integrity of data.
Which versions are affected by CVE-2020-14393?
It affects 4 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Opensuse Leap, Perl Database Interface.
How do I fix CVE-2020-14393?
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-2020-14393 being exploited?
There is no known exploitation of CVE-2020-14393 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2020-14393, DEBIAN-CVE-2020-14393, GHSA-g7gr-3q49-q5r9, UBUNTU-CVE-2020-14393.