SB2011123002 - Input validation error in PHP

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Main Vulnerability Database SB2011123002

SB2011123002 - Input validation error in PHP

Published: December 30, 2011 Updated: July 28, 2020

Security Bulletin ID SB2011123002
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2011-4885)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

PHP before 5.3.9 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.


Remediation

Install update from vendor's website.

References