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GHSA-2xv9-ghh9-xc69
No affected components available
Impact
This is a prototype pollution vulnerability. It impacts users of the set function within the Radashi library. If an attacker can control parts of the path argument to the set function, they could potentially modify the prototype of all objects in the JavaScript runtime, leading to unexpected behavior, denial of service, or even remote code execution in some specific scenarios.
Patches
The vulnerability has been patched in commit 8147abc8cfc3cfe9b9a17cd389076a5d97235a66. Users should upgrade to a version of Radashi that includes this commit. The fix utilizes a new helper function, isDangerousKey, to prevent the use of __proto__, prototype, or constructor as keys in the path, throwing an error if any are encountered. This check is bypassed for objects with a null prototype.
Workarounds
Users on older versions can mitigate this vulnerability by sanitizing the path argument provided to the set function to ensure that no part of the path string is __proto__, prototype, or constructor. For example, by checking each segment of the path before passing it to the set function.
References
- Git commit:
8147abc8cfc3cfe9b9a17cd389076a5d97235a66 - CWE-1321: Improperly Controlled Modification of Dynamically-Determined Object Attributes ('Prototype Pollution'): https://cwe.mitre.org/data/definitions/1321.html
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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