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Vulnerable Software

Vulnerability Details CVE-2006-4023

The ip2long function in PHP 5.1.4 and earlier may incorrectly validate an arbitrary string and return a valid network IP address, which allows remote attackers to obtain network information and facilitate other attacks, as demonstrated using SQL injection in the X-FORWARDED-FOR Header in index.php in MiniBB 2.0. NOTE: it could be argued that the ip2long behavior represents a risk for security-relevant issues in a way that is similar to strcpy's role in buffer overflows, in which case this would be a class of implementation bugs that would require separate CVE items for each PHP application that uses ip2long in a security-relevant manner.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 36.9%
CVSS Severity
CVSS v2 Score 5.0
Products affected by CVE-2006-4023
  • Php » Php » Version: 4.3.3
    cpe:2.3:a:php:php:4.3.3
  • Php » Php » Version: 5.0.2
    cpe:2.3:a:php:php:5.0.2
  • Php » Php » Version: 5.1.4
    cpe:2.3:a:php:php:5.1.4


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