CVE-2018-12422 Memory corruption in n/a

Critical 9.8 Published 15 Jun 2018 Updated 5 Aug 2024

A potential buffer overflow in Evolution Data Server's LDAP backend could allow attackers to execute code or cause a crash via a long query.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2018-12422?

CVE-2018-12422 is a critical memory corruption vulnerability in n/a, published on 15 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

addressbook/backends/ldap/e-book-backend-ldap.c in Evolution-Data-Server in GNOME Evolution through 3.29.2 might allow attackers to trigger a Buffer Overflow via a long query that is processed by the strcat function. NOTE: the software maintainer disputes this because "the code had computed the required string length first, and then allocated a large-enough buffer on the heap.

Weakness: CWE-119

Which versions are affected by CVE-2018-12422?

It affects 1 product.

Products include Gnome Evolution.

How do I fix CVE-2018-12422?

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-2018-12422 being exploited?

There is no known exploitation of CVE-2018-12422 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-12422, GHSA-rqw6-r9qq-6v6g, UBUNTU-CVE-2018-12422.