CVE-2016-10211 Use after free in n/a

High 7.5 Published 3 Apr 2017 Updated 6 Aug 2024

Remote attackers can cause a denial of service via a crafted rule in YARA, leading to a use-after-free crash.

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

What is CVE-2016-10211?

CVE-2016-10211 is a high-severity use after free vulnerability in n/a, published on 3 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule that is mishandled in the yr_parser_lookup_loop_variable function.

Weakness: CWE-416

Which versions are affected by CVE-2016-10211?

It affects 1 product.

Products include Virustotal Yara.

How do I fix CVE-2016-10211?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2016-10211 being exploited?

There is no known exploitation of CVE-2016-10211 in the wild and no public exploit code.

Sources

Also known as CVE-2016-1000348, DEBIAN-CVE-2016-10211, GHSA-4c8q-59gf-m24q, UBUNTU-CVE-2016-10211.