Check Point Advisories

PHP SdnToJewish Function Integer Overflow (CVE-2013-4635)

Check Point Reference: CPAI-2013-2963
Date Published: 13 Oct 2013
Severity: Critical
Last Updated: Saturday 04 January, 2025
Source: CVE-2013-4635
Protection Provided by:

Security Gateway
R75
Who is Vulnerable? PHP Group PHP prior to 5.3.27
PHP Group PHP prior to 5.4.16
Vulnerability Description A denial of service vulnerability exists in PHP.
Vulnerability DetailsThe vulnerability is due to insufficient input validation leading to an integer overflow in the SdnToJewish function. This function is located in jewish.c which is part of PHP's Calendar component. An attacker can exploit this vulnerability if the application uses the vulnerable function. A successful attack will result in a denial of service condition.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your product to the latest update. For information on how to update , go to SBP-2006-05, Protection tab and select the version of your choice.

Security Gateway R75 / R71 / R70

  1. In the IPS tab, click Protections and find the PHP SdnToJewish Function Integer Overflow protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

SmartView Tracker will log the following entries:
Attack Name: Web Server Enforcement Violation
Attack Information: PHP SdnToJewish Function Integer Overflow

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