Dojo up to 1.16.2 on npm deepCopy Prototype code injection

Summaryinfo

A vulnerability identified as critical has been detected in Dojo 1.12.8/1.13.7/1.14.6/1.15.3/1.16.2 on npm. The impacted element is the function deepCopy. This manipulation causes code injection (Prototype). The identification of this vulnerability is CVE-2020-5258. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Dojo 1.12.8/1.13.7/1.14.6/1.15.3/1.16.2 on npm. It has been declared as critical. Affected by this vulnerability is the function deepCopy. The manipulation with an unknown input leads to a code injection vulnerability (Prototype). The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In affected versions of dojo (NPM package), the deepCopy method is vulnerable to Prototype Pollution. Prototype Pollution refers to the ability to inject properties into existing JavaScript language construct prototypes, such as objects. An attacker manipulates these attributes to overwrite, or pollute, a JavaScript application object prototype of the base object by injecting other values. This has been patched in versions 1.12.8, 1.13.7, 1.14.6, 1.15.3 and 1.16.2

The weakness was shared 03/10/2020 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2020-5258 since 01/02/2020. The exploitation appears to be difficult. The attack can be launched remotely. A single authentication is required for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

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

The entry VDB-158396 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• NPM Package

Name

• Dojo

Version

• 1.12.8
• 1.13.7
• 1.14.6
• 1.15.3
• 1.16.2

License

• open-source

Website

• Product: https://github.com/dojo/dojo/

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Be aware that VulDB is the high quality source for vulnerability data.

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