Impact
GnuTLS 3.6.x before 3.6.14 uses incorrect cryptography for encrypting a session ticket (a loss of confidentiality in TLS 1.2, and an authentication bypass in TLS 1.3). The earliest affected version is 3.6.4 (2018-09-24) because of an error in a 2018-09-18 commit. Until the first key rotation, the TLS server always uses wrong data in place of an encryption key derived from an application.
Patches
Fixed in 1.1.3 as a docker image. May be fixed in earlier instances automatically, depending on how it was deployed.
Workarounds
Build your own docker image.
References
https://www.tenable.com/cve/CVE-2020-13777
Impact
GnuTLS 3.6.x before 3.6.14 uses incorrect cryptography for encrypting a session ticket (a loss of confidentiality in TLS 1.2, and an authentication bypass in TLS 1.3). The earliest affected version is 3.6.4 (2018-09-24) because of an error in a 2018-09-18 commit. Until the first key rotation, the TLS server always uses wrong data in place of an encryption key derived from an application.
Patches
Fixed in 1.1.3 as a docker image. May be fixed in earlier instances automatically, depending on how it was deployed.
Workarounds
Build your own docker image.
References
https://www.tenable.com/cve/CVE-2020-13777