matrix-js-sdk security bypass | CVE-2022-39250
NAME
matrix-js-sdk security bypass
- Platforms Affected:
matrix.org Matrix Javascript SDK 19.6.0 - Risk Level:
8.6 - Exploitability:
Unproven - Consequences:
Bypass Security
DESCRIPTION
matrix-js-sdk could allow a remote attacker to bypass security restrictions, caused by key/device identifier confusion in SAS verification. By sending a specially-crafted request, an attacker could exploit this vulnerability to interfere with the verification flow between two users, and inject their own cross-signing user identity in place of one of the usersÂ’ identities.
CVSS 3.0 Information
- Privileges Required: None
- User Interaction: None
- Scope: Changed
- Access Vector: Network
- Access Complexity: Low
- Confidentiality Impact: None
- Integrity Impact: High
- Availability Impact: None
- Remediation Level: Official Fix
MITIGATION
Refer to Matrix Javascript SDK GIT Repository for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://www.mozilla.org/en-US/security/advisories/mfsa2022-43/ - Reference Link:
https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-5w8r-8pgj-5jmf
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