CVE-2007-1711 Use after free in n/a

Medium 6.8 Published Updated

A double free vulnerability in the PHP unserializer allows attackers to execute arbitrary code by overwriting specific variables.

Exploited in the wild
Not known
Login needed
Not stated
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2007-1711?

CVE-2007-1711 is a medium-severity use after free vulnerability in Php Php, published on 27 Mar 2007. It can be exploited over the network, with no action from the victim.

Official description

Double free vulnerability in the unserializer in PHP 4.4.5 and 4.4.6 allows context-dependent attackers to execute arbitrary code by overwriting variables pointing to (1) the GLOBALS array or (2) the session data in _SESSION. NOTE: this issue was introduced when attempting to patch CVE-2007-1701 (MOPB-31-2007).

Which versions are affected by CVE-2007-1711?

It affects 1 product.

Products include Php Php.

How do I fix CVE-2007-1711?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2007-1711 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-1711 exists.

Public exploit code: 1 Exploit-DB entry.

All Php Php vulnerabilities

Sources

Also known as GHSA-g7q5-7w4c-7v63.

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