CVE-2018-19396 Denial of service in n/a
Attackers can crash PHP applications by passing malicious serialized data to unserialize for specific classes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-19396?
CVE-2018-19396 is a high-severity denial of service vulnerability in Php Php, published on 20 Nov 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ext/standard/var_unserializer.c in PHP 5.x through 7.1.24 allows attackers to cause a denial of service (application crash) via an unserialize call for the com, dotnet, or variant class.
Weakness: CWE-502
Which versions are affected by CVE-2018-19396?
It affects 1 product.
Products include Php Php.
How do I fix CVE-2018-19396?
No fix has been published for CVE-2018-19396 yet. Limit exposure of the affected software until one is available.
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-2018-19396 being exploited?
There is no known exploitation of CVE-2018-19396 in the wild and no public exploit code.
Other vulnerabilities in Php Php
Sources
Also known as GHSA-f86g-9653-w53f.