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Fedora 25: FEDORA-2017-56e23bc2b5 Moderate: krb5 Authentication Update

fedora
Calendar Grey September 22, 2017
Dist Fedora Esm H88
Boost your Fedora 25 environment's defense by applying the latest krb5 patch for improved access control and threat mitigation.
- Prevent applications from accidentally implementing CVE-2017-11462 (double free if sec_context is copied)

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.

- Prevent applications from accidentally implementing CVE-2017-11462 (double

free if sec_context is copied). - fc26+: Add ccselect hostrealm module for

ccache selection based on service hostname.

[ 1 ] Bug #1488873 - CVE-2017-11462 krb5: Automatic sec context deletion could lead to double-free

https://bugzilla.redhat.com/show_bug.cgi?id=1488873

su -c 'dnf upgrade krb5' 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/

package-announce mailing list -- package-announce@lists.fedoraproject.org

To unsubscribe send an email to package-announce-leave@lists.fedoraproject.org

Change Log

References

Update Instructions

Severity
important
Lowest
Low
Medium
High
Critical

Product: Fedora 25
Version: 1.14.4
Release: 9.fc25
Summary: The Kerberos network authentication system

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