Zend Platform mod_cluster denial of service
| zend-modcluster-bo (28573) |  Medium Risk |
Description:
Zend Platform is vulnerable to a denial of service, caused by a buffer overflow in the mod_cluster module when handling sessions. By sending an overly long or a zero-length session identifier, a remote attacker could overflow a buffer and cause the module to crash or possibly execute arbitrary code on the system.
Platforms Affected:
- Zend Technologies, Zend Platforms 2.2.1 and prior
Remedy:
Upgrade to the latest version of Zend (2.2.1a or later), available from the Zend Web site. See References.
Consequences:
Gain Access
References:
- Hardened-PHP Project Security Advisory 2006/08/24, Zend Platform Multiple Remote Vulnerabilities at http://www.hardened-php.net/advisory_052006.128.html.
- Zend Web site, Zend Platform at http://www.zend.com/downloads.
- BID-19692: Zend Platform Multiple Remote Vulnerabilities
- CVE-2006-4431: Multiple buffer overflows in the (a) Session Clustering Daemon and the (b) mod_cluster module in the Zend Platform 2.2.1 and earlier allow remote attackes to cause a denial of service (crash) or execute arbitrary code via a (1) empty or (2) crafted PHP session identifier (PHPSESSID).
- FrSIRT/ADV-2006-3388: Zend Platform Multiple Remote Command Execution and Denial of Service Vulnerabilities
- OSVDB ID: 28230: Zend Platform Session Clustering Daemon PHP Session Identifier Overflow
- OSVDB ID: 28231: Zend Platform mod_cluster Module PHP Session Identifier Overflow
- SA21573: Zend Platform Multiple Vulnerabilities
Reported:
Aug 24, 2006
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