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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.
Publish Date : 2006-08-08 Last Update Date : 2018-10-17
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CVSS Scores & Vulnerability Types
| CVSS Score |
5.0 |
| Confidentiality Impact |
Partial
(There is considerable informational disclosure.) |
| Integrity Impact |
None
(There is no impact to the integrity of the system) |
| Availability Impact |
None
(There is no impact to the availability of the system.) |
| Access Complexity |
Low
(Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. ) |
| Authentication |
Not required
(Authentication is not required to exploit the vulnerability.) |
| Gained Access |
None |
| Vulnerability Type(s) |
OverflowSql InjectionObtain Information |
| CWE ID |
CWE id is not defined for this vulnerability |
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Products Affected By CVE-2006-4023
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Number Of Affected Versions By Product
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Vendor
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Product
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Vulnerable Versions
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PHP |
PHP |
3 |
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References For CVE-2006-4023
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Metasploit Modules Related To CVE-2006-4023
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