CVE-2015-4644 Null dereference in n/a
Remote attackers can cause a denial of service via a crafted table name in the PHP PostgreSQL extension due to a NULL pointer dereference.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-4644?
CVE-2015-4644 is a high-severity vulnerability in Php Php, published on 16 May 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The php_pgsql_meta_data function in pgsql.c in the PostgreSQL (aka pgsql) extension in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 does not validate token extraction for table names, which might allow remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted name. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1352.
Which versions are affected by CVE-2015-4644?
It affects 2 products.
Products include Php Php, Redhat Enterprise Linux.
How do I fix CVE-2015-4644?
Upgrade to a fixed version.
Is CVE-2015-4644 being exploited?
There is no known exploitation of CVE-2015-4644 in the wild and no public exploit code.
Other vulnerabilities in Php Php
Sources
Also known as GHSA-xhh6-8vwc-47w8, UBUNTU-CVE-2015-4644.