CVE-2021-34558 - log back

CVE-2021-34558 edited at 13 Jul 2021 11:20:40
Severity
- Unknown
+ Low
Remote
- Unknown
+ Remote
Type
- Unknown
+ Denial of service
Description
+ A security issue has been found in Go before version 1.16.6. crypto/tls clients can panic when provided a certificate of the wrong type for the negotiated parameters. net/http clients performing HTTPS requests are also affected. The panic can be triggered by an attacker in a privileged network position without access to the server certificate's private key, as long as a trusted ECDSA or Ed25519 certificate for the server exists (or can be issued), or the client is configured with Config.InsecureSkipVerify. Clients that disable all TLS_RSA cipher suites (that is, TLS 1.0–1.2 cipher suites without ECDHE), as well as TLS 1.3-only clients, are unaffected.
References
+ https://groups.google.com/g/golang-announce/c/n9FxMelZGAQ/m/4ZhvTx0dAQAJ
+ https://github.com/golang/go/issues/47143
+ https://github.com/golang/go/commit/58bc454a11d4b3dbc03f44dfcabb9068a9c076f4
Notes
CVE-2021-34558 created at 13 Jul 2021 11:16:45