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CVE-2024-50336

UNKNOWN
Published 2024-11-12T16:38:53.164Z
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No CVSS data available

Description

matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. matrix-js-sdk before 34.11.0 is vulnerable to client-side path traversal via crafted MXC URIs. A malicious room member can trigger clients based on the matrix-js-sdk to issue arbitrary authenticated GET requests to the client's homeserver. Fixed in matrix-js-sdk 34.11.1.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

matrix-org

matrix-js-sdk

Affected Versions:

< 34.11.1

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

matrix-js-sdk has insufficient MXC URI validation which allows client-side path traversal

GHSA-xvg8-m4x3-w6xr

Advisory Details

### Summary matrix-js-sdk before 34.11.0 is vulnerable to client-side path traversal via crafted MXC URIs. A malicious room member can trigger clients based on the matrix-js-sdk to issue arbitrary authenticated GET requests to the client's homeserver. ### Details The Matrix specification demands homeservers to [perform validation](https://spec.matrix.org/v1.12/client-server-api/#security-considerations-5) of the `server-name` and `media-id` components of MXC URIs with the intent to prevent path traversal. However, it is not mentioned that a similar check must also be performed on the client to prevent *client-side* path traversal. matrix-js-sdk fails to perform this validation. ### Patches Fixed in matrix-js-sdk 34.11.1. ### Workarounds None. ### References - https://spec.matrix.org/v1.12/client-server-api/#security-considerations-5 - https://blog.doyensec.com/2024/07/02/cspt2csrf.html

Affected Packages

npm matrix-js-sdk
ECOSYSTEM: ≥0 <34.11.1

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N

References

WEB https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-xvg8-m4x3-w6xr
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-50336
PACKAGE https://github.com/matrix-org/matrix-js-sdk
WEB https://spec.matrix.org/v1.12/client-server-api/#security-considerations-5

Advisory provided by GitHub Security Advisory Database. Published: November 12, 2024, Modified: November 12, 2024

References

https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-xvg8-m4x3-w6xr
https://spec.matrix.org/v1.12/client-server-api/#security-considerations-5
Published: 2024-11-12T16:38:53.164Z
Last Modified: 2024-11-12T17:11:41.542Z
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