PHP up to 7.2.26/7.3.13/7.4.1 fgetss out-of-bounds

Summaryinfo

A vulnerability was found in PHP up to 7.2.26/7.3.13/7.4.1. It has been classified as critical. This affects the function fgetss. This manipulation causes out-of-bounds. This vulnerability appears as CVE-2020-7059. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in PHP up to 7.2.26/7.3.13/7.4.1 (Programming Language Software). Affected by this vulnerability is the function fgetss. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

When using fgetss() function to read data with stripping tags, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause this function to read past the allocated buffer. This may lead to information disclosure or crash.

The weakness was presented 02/10/2020. This vulnerability is known as CVE-2020-7059 since 01/15/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

Upgrading to version 7.2.27, 7.3.14 or 7.4.2 eliminates this vulnerability.

See VDB-149834 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Programming Language Software

Name

• PHP

Version

• 7.2.0
• 7.2.1
• 7.2.2
• 7.2.3
• 7.2.4
• 7.2.5
• 7.2.6
• 7.2.7
• 7.2.8
• 7.2.9
• 7.2.10
• 7.2.11
• 7.2.12
• 7.2.13
• 7.2.14
• 7.2.15
• 7.2.16
• 7.2.17
• 7.2.18
• 7.2.19
• 7.2.20
• 7.2.21
• 7.2.22
• 7.2.23
• 7.2.24
• 7.2.25
• 7.2.26
• 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
• 7.4.0
• 7.4.1

License

• open-source

Website

• Product: https://www.php.org/

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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