Vulnerability · Published Mar 28, 2023 · Assigned by GitHub_M
CVE-2023-28103Prototype pollution in matrix-react-sdk
High 8.2
In plain English
A high-severity prototype pollution in matrix-react-sdk from matrix-org. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | element-web | 1.11.26-r0 | ALPINE-CVE-2023-28103 |
| Alpine:v3.21 | element-web | 1.11.26-r0 | ALPINE-CVE-2023-28103 |
| Alpine:v3.22 | element-web | 1.11.26-r0 | ALPINE-CVE-2023-28103 |
| Alpine:v3.23 | element-web | 1.11.26-r0 | ALPINE-CVE-2023-28103 |
| Alpine:v3.24 | element-web | 1.11.26-r0 | ALPINE-CVE-2023-28103 |
| npm | matrix-react-sdk | 3.69.0 | GHSA-6g43-88cp-w5gv |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| matrix-org | matrix-react-sdk | < 3.69.0 |
Weakness: CWE-1321 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H