CVE-2023-28103: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
(updated )
matrix-react-sdk is a Matrix chat protocol SDK for React Javascript. In certain configurations, data sent by remote servers containing special strings in key locations could cause modifications of the Object.prototype, disrupting matrix-react-sdk functionality, causing denial of service and potentially affecting program logic. This is fixed in matrix-react-sdk 3.69.0 and users are advised to upgrade. There are no known workarounds for this vulnerability. Note this advisory is distinct from GHSA-2x9c-qwgf-94xr which refers to a similar issue.
References
- github.com/advisories/GHSA-6g43-88cp-w5gv
- github.com/matrix-org/matrix-react-sdk/security/advisories/GHSA-2x9c-qwgf-94xr
- github.com/matrix-org/matrix-react-sdk/security/advisories/GHSA-6g43-88cp-w5gv
- matrix.org/blog/2023/03/28/security-releases-matrix-js-sdk-24-0-0-and-matrix-react-sdk-3-69-0
- nvd.nist.gov/vuln/detail/CVE-2023-28103
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