要点
- CVE-2023-28103 は matrix-react-sdk (matrix-react-sdk project), matrix-react-sdk に影響する深刻度「高」 (CVSS 8.2) の脆弱性です。
- 今後30日間に悪用される確率（EPSS）：0.71%（全脆弱性の 53.6% より高い）。
- 対処：3.69.0 以降に更新してください。
概要
Impact
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 part 2, where CVE-2022-36060 / GHSA-2x9c-qwgf-94xr is part 1. Part 2 covers remaining vectors not covered by part 1, found in a codebase audit scheduled after part 1.)
Patches
This is fixed in matrix-react-sdk 3.69.0
Workarounds
None.
References
- Release blog post
- The advisory GHSA-2x9c-qwgf-94xr (CVE-2022-36060) refers to an initial set of vulnerable locations discovered and patched in matrix-react-sdk 3.53.0. We opted not to disclose that advisory while we performed an audit of the codebase and are now disclosing it jointly with this one.
For more information
If you have any questions or comments about this advisory please email us at security at matrix.org.
NVD の説明
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.
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