Prototype Pollution
CVE-2023-30857
LOW
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Lifecycle Timeline
1DescriptionNVD
@aedart/support is the support package for Ion, a monorepo for JavaScript/TypeScript packages. Prior to version 0.6.1, there is a possible prototype pollution issue for the MetadataRecord, when merged with a base class' metadata object, in meta decorator from the @aedart/support package. The likelihood of exploitation is questionable, given that a class's metadata can only be set or altered when the class is decorated via meta(). Furthermore, object(s) of sensitive nature would have to be stored as metadata, before this can lead to a security impact. The issue has been patched in version 0.6.1.
AnalysisAI
@aedart/support is the support package for Ion, a monorepo for JavaScript/TypeScript packages. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required. This Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution) vulnerability could allow attackers to modify object prototypes to inject properties affecting application logic.
Technical ContextAI
This vulnerability is classified as Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution) (CWE-1321), which allows attackers to modify object prototypes to inject properties affecting application logic. @aedart/support is the support package for Ion, a monorepo for JavaScript/TypeScript packages. Prior to version 0.6.1, there is a possible prototype pollution issue for the MetadataRecord, when merged with a base class' metadata object, in meta decorator from the @aedart/support package. The likelihood of exploitation is questionable, given that a class's metadata can only be set or altered when the class is decorated via meta(). Furthermore, object(s) of sensitive nature would have to be stored as metadata, before this can lead to a security impact. The issue has been patched in version 0.6.1. Affected products include: Aedart Ion.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Freeze prototypes, validate object keys, avoid recursive merging of untrusted data.
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External POC / Exploit Code
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