#VU44404 NULL pointer dereference in PHP - CVE-2011-4153

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Main Vulnerability Database Vulnerabilities #VU44404

#VU44404 NULL pointer dereference in PHP - CVE-2011-4153

Published: January 18, 2012 / Updated: August 11, 2020


Vulnerability identifier: #VU44404
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2011-4153
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
PHP
Software vendor:
PHP Group

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions 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.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links