CVE-2011-4153 Null dereference in n/a
Remote attackers can cause a denial of service via crafted input triggering a NULL pointer dereference in PHP's string handling functions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-4153?
CVE-2011-4153 is a medium-severity vulnerability in Php Php, published on 18 Jan 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
PHP 5.3.8 does not always check the return value of the zend_strndup function, which might allow remote attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted input to an application that performs strndup operations on untrusted string data, as demonstrated by the define function in zend_builtin_functions.c, and unspecified functions in ext/soap/php_sdl.c, ext/standard/syslog.c, ext/standard/browscap.c, ext/oci8/oci8.c, ext/com_dotnet/com_typeinfo.c, and main/php_open_temporary_file.c.
Weakness: CWE-20
Which versions are affected by CVE-2011-4153?
It affects 1 product.
Products include Php Php.
How do I fix CVE-2011-4153?
Upgrade to a fixed version.
Is CVE-2011-4153 being exploited?
There is no known exploitation of CVE-2011-4153 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Php Php
Sources
Also known as GHSA-rh93-rrxr-rjg3.