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Fedora 31 Advisory: 2020-0df38b2843 Moderate: Krb5 DoS in ASN.1 Parsing

fedora
Calendar Grey November 20, 2020
Dist Fedora Esm H88
Mitigating DoS threats in ASN.1 decoding by enhancing recursive depth validations within the security mechanisms of Fedora's krb5 implementation.
- Fix CVE-2020-28196 (DoS in ASN.1 parsing due to missing recursion depth checks) - fc32 + fc33 only: pull-up to rawhide

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 CVE-2020-28196 (DoS in ASN.1 parsing due to missing recursion depth

checks) - fc32 + fc33 only: pull-up to rawhide

* Thu Nov 5 2020 Robbie Harwood - 1.17-47

- Add recursion limit for ASN.1 indefinite lengths (CVE-2020-28196)

su -c 'dnf upgrade --advisory FEDORA-2020-0df38b2843' 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

Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/

List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines

List Archives: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/

Change Log

References

Update Instructions

Product: Fedora 31
Version: 1.17
Release: 47.fc31
Summary: The Kerberos network authentication system

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