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Fedora 30 krb5: 2019-320a5a6a68 Moderate: KDC Crash Fix

fedora
Calendar Grey September 29, 2019
Dist Fedora Esm H88
Address the KDC failure when recording PKINIT encryption types in the Fedora 30 krb5 upgrade to mitigate denial-of-service vulnerabilities.
Fix KDC crash when logging PKINIT enctypes (CVE-2019-14844) This is a purely denial-of-service issue, though it is unauthenticated, and is unlikely to trigger by accident.

Summary

Kerberos V5 is a trusted-third-party network authentication system,

which can improve your network's security by eliminating the insecure

practice of sending passwords over the network in unencrypted form.

Fix KDC crash when logging PKINIT enctypes (CVE-2019-14844) This is a purely

denial-of-service issue, though it is unauthenticated, and is unlikely to

trigger by accident.

* Wed Sep 25 2019 Robbie Harwood - 1.17-15

- Fix KDC crash when logging PKINIT enctypes (CVE-2019-14844)

* Wed Apr 24 2019 Robbie Harwood - 1.17-14

- Add dns_canonicalize_hostname=fallback support

* Wed Apr 24 2019 Robbie Harwood - 1.17-13

- Check more errors in OpenSSL crypto backend

* Mon Apr 22 2019 Robbie Harwood - 1.17-12

- Fix potential close(-1) in cc_file.c

* Wed Apr 17 2019 Robbie Harwood - 1.17-11

- Remove ovsec_adm_export and confvalidator

* Wed Apr 17 2019 Robbie Harwood - 1.17-10

- Fix config realm change logic in FILE remove_cred

* Thu Apr 11 2019 Robbie Harwood - 1.17-9

- Remove Kerberos v4 support vestiges (including ktany support)

* Thu Apr 11 2019 Robbie Harwood - 1.17-8

- Implement krb5_cc_remove_cred for remaining types

- Resolves: #1693836

* Mon Apr 1 2019 Robbie Harwood - 1.17-7

- FIPS-aware SPAKE group negotiation

* Mon Feb 25 2019 Robbie Harwood - 1.17-6

- Fix memory leak in 'none' replay cache type

- Silence a coverity warning while we're here.

su -c 'dnf upgrade --advisory FEDORA-2019-320a5a6a68' 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
important
Lowest
Low
Medium
High
Critical

Product: Fedora 30
Version: 1.17
Release: 15.fc30
Summary: The Kerberos network authentication system

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