matrix-js-sdk subject to user spoofing via Olm/Megolm protocol confusion

Description

An attacker cooperating with a malicious homeserver can construct messages that legitimately appear to have come from another person, without any indication such as a grey shield.

Recommendation

Update the matrix-js-sdk package to the latest compatible version. Followings are version details:

• Affected version(s): < 19.7.0
• Patched version(s): 19.7.0

References

• GHSA-r48r-j8fx-mq2c
• matrix.org
• security.gentoo.org
• CVE-2022-39251
• CWE-287
• CWE-322
• CAPEC-310
• OWASP 2021-A2
• OWASP 2021-A6
• OWASP 2021-A7

Related Issues

• matrix-js-sdk subject to user impersonation due to key/device identifier confusion in SAS verification - CVE-2022-39250
• matrix-js-sdk subject to impersonated messages due to permissive key forwarding - CVE-2022-39249
• matrix-js-sdk will freeze when a user sets a room with itself as a its predecessor - CVE-2024-42369
• Improper beacon events in matrix-js-sdk can result in availability issues - CVE-2022-39236

Tags:

npm

matrix-js-sdk