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Fedora 31: 2020-76b705bb63 Critical: GnuTLS Certificate Chain Update

fedora
Calendar Grey June 14, 2020
Dist Fedora Esm H88
OpenSSL enhancements rectify key exchange procedures and bolster secure connections for Ubuntu 20.04, mitigating CVE-2021-3450.
Update to upstream 3.6.14 release, and security fix for CVE-2020-13777

Summary

GnuTLS is a secure communications library implementing the SSL, TLS and DTLS

protocols and technologies around them. It provides a simple C language

application programming interface (API) to access the secure communications

protocols as well as APIs to parse and write X.509, PKCS #12, OpenPGP and

other required structures.

Update to upstream 3.6.14 release, and security fix for CVE-2020-13777. ---- -Fix certificate chain validation involving the expired "AddTrust External Root".

- Disable RSA blinding during FIPS self-tests to avoid hanging if there is not

enough entropy for `getrandom()` - Add `--waitresumption` option to `gnutls-cli`

to force the client to wait for resumption data (new session ticket) under TLS

1.3

* Thu Jun 4 2020 Daiki Ueno - 3.6.14-1

- Update to upstream 3.6.14 release

* Sun May 31 2020 Daiki Ueno - 3.6.13-6

- Update gnutls-3.6.13-superseding-chain.patch

* Sun May 31 2020 Daiki Ueno - 3.6.13-5

- Fix cert chain validation behavior if the last cert has expired (#1842178)

* Mon May 25 2020 Anderson Sasaki - 3.6.13-4

- Add option to gnutls-cli to wait for resumption under TLS 1.3

* Tue May 19 2020 Anderson Sasaki - 3.6.13-3

- Disable RSA blinding during FIPS self-tests

* Tue Mar 31 2020 Daiki Ueno - 3.6.13-1

- Update to upstream 3.6.13 release

* Thu Mar 26 2020 Anderson Sasaki - 3.6.12-2

- Update to upstream 3.6.12 release

- Remove gpgkey file from sources

- Fix FIPS POST (#1813384)

- Fix gnutls-serv --echo to not exit when a message is received (#1816583)

* Sun Dec 1 2019 Nikos Mavrogiannopoulos - 3.6.11-1

- Update to upstream 3.6.11 release

[ 1 ] Bug #1843723 - CVE-2020-13777 gnutls: session resumption works without master key allowing MITM

https://bugzilla.redhat.com/show_bug.cgi?id=1843723

su -c 'dnf upgrade --advisory FEDORA-2020-76b705bb63' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
High
Critical

Product: Fedora 31
Version: 3.6.14
Release: 1.fc31
Summary: A TLS protocol implementation

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