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CVE-2025-48937

MEDIUM

4.9

Description

matrix-rust-sdk is an implementation of a Matrix client-server library in Rust. matrix-sdk-crypto since version 0.8.0 and up to 0.11.0 does not correctly validate the sender of an encrypted event. Accordingly, a malicious homeserver operator can modify events served to clients, making those events appear to the recipient as if they were sent by another user. This vulnerability is fixed in 0.11.1 and 0.12.0.

CVE Details

CVSS v3.1 Score4.9

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

Published6/10/2025

Last Modified6/12/2025

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-290

References

https://github.com/matrix-org/matrix-rust-sdk/commit/13c1d2048286bbabf5e7bc6b015aafee98f04d55(security-advisories@github.com)

https://github.com/matrix-org/matrix-rust-sdk/commit/56980745b4f27f7dc72ac296e6aa003e5d92a75b(security-advisories@github.com)

https://github.com/matrix-org/matrix-rust-sdk/security/advisories/GHSA-x958-rvg6-956w(security-advisories@github.com)

https://spec.matrix.org/v1.14/client-server-api/#mmegolmv1aes-sha2(security-advisories@github.com)

IOC Correlations

No correlations recorded

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