CVE-2016-7129 Denial of service in n/a

Critical 9.8 Published 12 Sep 2016 Updated 6 Aug 2024

Remote attackers can cause a denial of service via a segmentation fault in the PHP WDDX extension when processing invalid ISO 8601 time values.

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

What is CVE-2016-7129?

CVE-2016-7129 is a critical denial of service vulnerability in Php Php, published on 12 Sep 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The php_wddx_process_data function in ext/wddx/wddx.c in PHP before 5.6.25 and 7.x before 7.0.10 allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via an invalid ISO 8601 time value, as demonstrated by a wddx_deserialize call that mishandles a dateTime element in a wddxPacket XML document.

Weakness: CWE-20

Which versions are affected by CVE-2016-7129?

It affects 1 product.

Products include Php Php.

How do I fix CVE-2016-7129?

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-2016-7129 being exploited?

There is no known exploitation of CVE-2016-7129 in the wild and no public exploit code.

All Php Php vulnerabilities

Sources

Also known as GHSA-386q-8gmc-924g, UBUNTU-CVE-2016-7129.