GHSA-3cqm-mf7h-prrj

Square OkHttp can accept the wrong certificate

Source: GitHub Advisory Database (reviewed) High CVE-2021-0341

Packages

Ecosystem	Package	Affected	Fixed in
Maven	com.squareup.okhttp3:okhttp	< 4.9.2	4.9.2

Details

As written in the advisory (Markdown source, shown as plain text).

In verifyHostName of OkHostnameVerifier.java, there is a possible way to accept a certificate for the wrong domain due to improperly used crypto. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11 Android ID: A-171980069

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2021-0341 advisory
https://github.com/square/okhttp/issues/6724 web
https://github.com/square/okhttp/pull/6741 web
https://github.com/square/okhttp/commit/f574ea2f5259d9040f264ddeb582fb1ce563f10c web
https://github.com/square/okhttp package
https://source.android.com/security/bulletin/2021-02-01 web