Auth bypass in Matrix-org Matrix-ios-sdk
CVE-2022-39257
Matrix iOS SDK allows developers to build iOS apps compatible with Matrix. Prior to version 0.23.19, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will…
EPSS: 0.002 (48.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Matrix-org Matrix-ios-sdk — versions < 0.23.19
Weakness classification (CWE)
References
- matrix.org/blog/2022/09/28/upgrade-now-to-address-encryption-vulns-in-matrix-sd… (x_refsource_MISC)
- github.com/matrix-org/matrix-ios-sdk/commit/5ca86c328a5faaab429c240551cb9ca8f0f… (x_refsource_MISC)
- github.com/matrix-org/matrix-ios-sdk/releases/tag/v0.23.19 (x_refsource_MISC)
- github.com/matrix-org/matrix-ios-sdk/security/advisories/GHSA-qxr3-5jmq-xcf4 (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2022-39257?
- CVE-2022-39257 is a high-severity vulnerability in Matrix-org Matrix-ios-sdk, classified under Key Exchange without Entity Authentication. CVSS score: 7.5/10. Published 2022-09-28.
- How severe is CVE-2022-39257?
- High severity. CVSS v3 base score is 7.5 out of 10.