Use-after-free in PHP - CVE-2010-2093

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing a stream context structure that is freed before destruction occurs. A context-dependent attackers can cause a denial of service (crash).

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

How to mitigate CVE-2010-2093

Sources

• http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
• http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html
• http://php-security.org/2010/05/12/mops-2010-022-php-stream-context-use-after-free-on-request-shutdown-vulnerability/index.html