CVE-2011-3379: php Improper Control of Generation of Code

Vulnerability summary

CVE-2011-3379 is a high (CVSS 7.5) Improper Control of Generation of Code vulnerability in php. EPSS estimates a 5.01% chance of exploitation in the next 30 days, higher than 92.2% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 03-11-2011
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

Description

The is_a function in PHP 5.3.7 and 5.3.8 triggers a call to the __autoload function, which makes it easier for remote attackers to execute arbitrary code by providing a crafted URL and leveraging potentially unsafe behavior in certain PEAR packages and custom autoloaders.

• CWE-94Improper Control of Generation of CodeThe product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.