PHP up to 7.3.25/7.4.13 URL Validation filter_var input validation

Summaryinfo

A vulnerability classified as problematic has been found in PHP up to 7.3.25/7.4.13. This vulnerability affects the function filter_var of the component URL Validation Handler. The manipulation leads to input validation. This vulnerability is documented as CVE-2020-7071. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in PHP up to 7.3.25/7.4.13 (Programming Language Software). This issue affects the function filter_var of the component URL Validation Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality.

The weakness was released 02/15/2021 as 77423. It is possible to read the advisory at bugs.php.net. The identification of this vulnerability is CVE-2020-7071. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 208984 (Debian dla-3920 : libapache2-mod-php7.4 - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 7.3.26, 7.4.14 or 8.0.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (208984). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Programming Language Software

Name

• PHP

Version

• 7.3.0
• 7.3.1
• 7.3.2
• 7.3.3
• 7.3.4
• 7.3.5
• 7.3.6
• 7.3.7
• 7.3.8
• 7.3.9
• 7.3.10
• 7.3.11
• 7.3.12
• 7.3.13
• 7.3.14
• 7.3.15
• 7.3.16
• 7.3.17
• 7.3.18
• 7.3.19
• 7.3.20
• 7.3.21
• 7.3.22
• 7.3.23
• 7.3.24
• 7.3.25
• 7.4.0
• 7.4.1
• 7.4.2
• 7.4.3
• 7.4.4
• 7.4.5
• 7.4.6
• 7.4.7
• 7.4.8
• 7.4.9
• 7.4.10
• 7.4.11
• 7.4.12
• 7.4.13

License

• open-source

Website

• Product: https://www.php.org/

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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