Nginx NJS 0.7.2/0.7.3/0.7.4 njs_scope.h njs_scope_valid_value memory corruption

Summaryinfo

A vulnerability categorized as critical has been discovered in Nginx NJS 0.7.2/0.7.3/0.7.4. Affected is the function njs_scope_valid_value in the library njs_scope.h. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2022-43284. There is not any exploit available.

Detailsinfo

A vulnerability was found in Nginx NJS 0.7.2/0.7.3/0.7.4 (Web Server) and classified as critical. Affected by this issue is the function njs_scope_valid_value in the library njs_scope.h. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Nginx NJS v0.7.2 to v0.7.4 was discovered to contain a segmentation violation via njs_scope_valid_value at njs_scope.h.

The weakness was released 10/29/2022 as 470. The advisory is available at github.com. This vulnerability is handled as CVE-2022-43284 since 10/17/2022. Technical details are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Web Server

Vendor

• Nginx

Name

• NJS

Version

• 0.7.2
• 0.7.3
• 0.7.4

License

• open-source

Website

• Product: https://github.com/nginx/njs/

CPE 2.3info

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CPE 2.2info

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