CVE-2006-4020: Medium severity PHP PHP vulnerability
scanf.c in PHP 5.1.4 and earlier, and 4.4.3 and earlier, allows context-dependent attackers to execute arbitrary code via a sscanf PHP function call that performs argument swapping, which increments an index past the end of an array and triggers a buffer over-read.
Affected Software
Remediation
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2006-4020?
CVE-2006-4020 has a moderate severity rating as it allows arbitrary code execution through a buffer over-read in certain versions of PHP.
How do I fix CVE-2006-4020?
To fix CVE-2006-4020, upgrade PHP to a version later than 5.1.4 or 4.4.3.
Which PHP versions are affected by CVE-2006-4020?
CVE-2006-4020 affects PHP versions 4.0 and above up to 5.1.4 and 4.4.3.
Can CVE-2006-4020 lead to security vulnerabilities?
Yes, CVE-2006-4020 can lead to significant security vulnerabilities including remote code execution.
What are the implications of CVE-2006-4020 for PHP applications?
The implications of CVE-2006-4020 for PHP applications include the potential for attackers to run arbitrary code, compromising the server's integrity.