CVE-2018-12035 Memory corruption in n/a

High 7.8 Published Updated

An out-of-bounds write in YARA allows attackers to execute arbitrary code or cause denial of service via crafted rule files.

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-2018-12035?

CVE-2018-12035 is a high-severity memory corruption vulnerability in n/a, published on 15 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

In YARA 3.7.1 and prior, parsing a specially crafted compiled rule file can cause an out of bounds write vulnerability in yr_execute_code in libyara/exec.c.

Weakness: CWE-787

Which versions are affected by CVE-2018-12035?

It affects 1 product.

Products include Virustotal Yara.

How do I fix CVE-2018-12035?

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-2018-12035 being exploited?

There is no known exploitation of CVE-2018-12035 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-12035, GHSA-f8gv-jwf8-mm4p, UBUNTU-CVE-2018-12035.

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