CVE-2016-4473 Use after free in n/a
Remote attackers can execute arbitrary code via a use-after-free vulnerability in the PHP phar extension.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-4473?
CVE-2016-4473 is a critical use after free vulnerability in Php Php, published on 8 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
/ext/phar/phar_object.c in PHP 7.0.7 and 5.6.x allows remote attackers to execute arbitrary code. NOTE: Introduced as part of an incomplete fix to CVE-2015-6833.
Weakness: CWE-416
Which versions are affected by CVE-2016-4473?
It affects 3 products.
Products include Php Php, Suse Linux Enterprise Module for Web Scripting, Suse Linux Enterprise Software Development Kit.
How do I fix CVE-2016-4473?
Apply the vendor's patch.
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-2016-4473 being exploited?
There is no known exploitation of CVE-2016-4473 in the wild and no public exploit code.
Other vulnerabilities in Php Php
Sources
Also known as GHSA-jvpg-hmq4-6326.