CVE-2018-12102 Null dereference in n/a

Medium 5.5 Published 11 Jun 2018 Updated 5 Aug 2024

A NULL pointer dereference in the md4c library allows attackers to cause a denial of service via crafted input.

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: None listed

What is CVE-2018-12102?

CVE-2018-12102 is a medium-severity vulnerability in n/a, published on 11 Jun 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

md4c 0.2.6 has a NULL pointer dereference in the function md_process_line in md4c.c, related to ctx->current_block.

Weakness: CWE-476

Which versions are affected by CVE-2018-12102?

It affects 1 product.

Products include Md4c Project Md4c.

How do I fix CVE-2018-12102?

No fix has been published for CVE-2018-12102 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-12102 being exploited?

There is no known exploitation of CVE-2018-12102 in the wild and no public exploit code.

Sources

Also known as GHSA-3c3h-v674-rhqr.