CVE-2016-5114 Information disclosure in n/a
Attackers can read sensitive memory or crash the service via long URIs in PHP FPM when custom request logging is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-5114?
CVE-2016-5114 is a critical vulnerability in Php Php, published on 7 Aug 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
sapi/fpm/fpm/fpm_log.c in PHP before 5.5.31, 5.6.x before 5.6.17, and 7.x before 7.0.2 misinterprets the semantics of the snprintf return value, which allows attackers to obtain sensitive information from process memory or cause a denial of service (out-of-bounds read and buffer overflow) via a long string, as demonstrated by a long URI in a configuration with custom REQUEST_URI logging.
Which versions are affected by CVE-2016-5114?
It affects 1 product.
Products include Php Php.
How do I fix CVE-2016-5114?
Upgrade to a fixed version.
Is CVE-2016-5114 being exploited?
There is no known exploitation of CVE-2016-5114 in the wild and no public exploit code.
Other vulnerabilities in Php Php
Sources
Also known as GHSA-2784-39w4-9568, UBUNTU-CVE-2016-5114.