matrix-org matrix-rust-sdk up to 0.7.x VerificationViolation omission of security-relevant information

Summaryinfo

A vulnerability has been found in matrix-org matrix-rust-sdk up to 0.7.x and classified as problematic. Affected by this vulnerability is the function VerificationLevel::VerificationViolation. This manipulation causes omission of security-relevant information. This vulnerability is tracked as CVE-2024-52813. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in matrix-org matrix-rust-sdk up to 0.7.x and classified as problematic. Affected by this vulnerability is the function VerificationLevel::VerificationViolation. The manipulation with an unknown input leads to a omission of security-relevant information vulnerability. The CWE definition for the vulnerability is CWE-223. The product does not record or display information that would be important for identifying the source or nature of an attack, or determining if an action is safe. As an impact it is known to affect confidentiality. The summary by CVE is:

matrix-rust-sdk is an implementation of a Matrix client-server library in Rust. Versions of the matrix-sdk-crypto Rust crate before 0.8.0 lack a dedicated mechanism to notify that a user's cryptographic identity has changed from a verified to an unverified one, which could cause client applications relying on the SDK to overlook such changes. matrix-sdk-crypto 0.8.0 adds a new VerificationLevel::VerificationViolation enum variant which indicates that a previously verified identity has been changed.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2024-52813 since 11/15/2024. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 0.8.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

• matrix-org

Name

• matrix-rust-sdk

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7

Website

• Product: https://github.com/matrix-org/matrix-rust-sdk/

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