CVE-2023-28103
High
Description
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.
SeverityHigh
CVSS8.2
Exploit probability—
ProductMatrix-react-sdk
PublishedMar 28, 2023
First seenMar 28, 2023
Weakness typeCWE-1321Prototype pollution
How to fix
Update
- matrix-react-sdk_project matrix-react-sdk3.69.0 or later
- matrix-react-sdk3.69.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| matrix-react-sdk_project matrix-react-sdk | v < 3.69.0 | 3.69.0 |
| matrix-react-sdknpm | v < 3.69.0 | 3.69.0 |
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