CVE-2018-12096 Information disclosure in n/a

Medium 5.5 Published 19 Jun 2018 Updated 5 Aug 2024

A heap-based buffer over-read in liblnk allows remote attackers to disclose information via a crafted lnk file, though the vendor disputes this vulnerability.

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-2018-12096?

CVE-2018-12096 is a medium-severity vulnerability in n/a, published on 19 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

The liblnk_data_string_get_utf8_string_size function in liblnk_data_string.c in liblnk through 2018-04-19 allows remote attackers to cause an information disclosure (heap-based buffer over-read) via a crafted lnk file. NOTE: the vendor has disputed this as described in libyal/liblnk issue 33 on GitHub

Weakness: CWE-125

Which versions are affected by CVE-2018-12096?

It affects 1 product.

Products include Liblnk Project Liblnk.

How do I fix CVE-2018-12096?

No fix published yet.

Is CVE-2018-12096 being exploited?

There is no known exploitation of CVE-2018-12096 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-12096, GHSA-gvvf-hrjc-7g7x, UBUNTU-CVE-2018-12096.