CVE-2016-7478 Denial of service in PHP before 5.6.28
Remote attackers can cause a denial of service via infinite loop in PHP's exception handling when processing crafted serialized data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-7478?
CVE-2016-7478 is a high-severity denial of service vulnerability in Php Php, published on 11 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Zend/zend_exceptions.c in PHP, possibly 5.x before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (infinite loop) via a crafted Exception object in serialized data, a related issue to CVE-2015-8876.
Which versions are affected by CVE-2016-7478?
It affects 1 product.
Products include Php Php.
How do I fix CVE-2016-7478?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-7478 being exploited?
There is no known exploitation of CVE-2016-7478 in the wild and no public exploit code.
Other vulnerabilities in Php Php
Sources
Also known as GHSA-qcwh-7xv9-5mq2, UBUNTU-CVE-2016-7478.