National Cyber Awareness System
Vulnerability Summary for CVE-2011-0753
Original release date:02/02/2011
Last revised:07/19/2011
Source:
US-CERT/NIST
Overview
Race condition in the PCNTL extension in PHP before 5.3.4, when a user-defined signal handler exists, might allow context-dependent attackers to cause a denial of service (memory corruption) via a large number of concurrent signals.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.
External Source: CONFIRM
Name: http://bugs.php.net/52784
Type: Patch Information
External Source: XF
Name: php-pcntl-dos(65431)
External Source: CONFIRM
Name: http://www.php.net/ChangeLog-5.php
External Source: OVAL
Name: oval:org.mitre.oval:def:12271
References to Check Content
Identifier:oval:org.mitre.oval:def:12271
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
