PHP up to 7.2.25/7.3.12 bcmath out-of-bounds

Summaryinfo

A vulnerability was found in PHP up to 7.2.25/7.3.12. It has been classified as critical. The affected element is an unknown function of the component bcmath. The manipulation leads to out-of-bounds. This vulnerability is listed as CVE-2019-11046. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in PHP up to 7.2.25/7.3.12 (Programming Language Software). This issue affects an unknown code block of the component bcmath. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0, PHP bcmath extension functions on some systems, including Windows, can be tricked into reading beyond the allocated space by supplying it with string containing characters that are identified as numeric by the OS but aren't ASCII numbers. This can read to disclosure of the content of some memory locations.

The weakness was presented 12/23/2019. The identification of this vulnerability is CVE-2019-11046 since 04/09/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 7.2.26, 7.3.13 or 7.4.0 eliminates this vulnerability.

See VDB-147596, VDB-147595, VDB-147594 and VDB-147592 for similar entries. 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
• 7.3.0
• 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

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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