Important: ipa

Issue Overview:

A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication. The Samba AD DC, could become confused about the user a ticket represents if it did not strictly require a Kerberos PAC and always use the SIDs found within. The result could include total domain compromise. (CVE-2020-25719)

Affected Packages:

ipa

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update ipa to update your system.

New Packages:

aarch64:  
    ipa-server-4.6.8-5.amzn2.4.2.aarch64  
    ipa-server-trust-ad-4.6.8-5.amzn2.4.2.aarch64  
    ipa-client-4.6.8-5.amzn2.4.2.aarch64  
    ipa-debuginfo-4.6.8-5.amzn2.4.2.aarch64  
  
i686:  
    ipa-server-4.6.8-5.amzn2.4.2.i686  
    ipa-server-trust-ad-4.6.8-5.amzn2.4.2.i686  
    ipa-client-4.6.8-5.amzn2.4.2.i686  
    ipa-debuginfo-4.6.8-5.amzn2.4.2.i686  
  
noarch:  
    python2-ipaserver-4.6.8-5.amzn2.4.2.noarch  
    ipa-server-common-4.6.8-5.amzn2.4.2.noarch  
    ipa-server-dns-4.6.8-5.amzn2.4.2.noarch  
    python2-ipaclient-4.6.8-5.amzn2.4.2.noarch  
    ipa-client-common-4.6.8-5.amzn2.4.2.noarch  
    ipa-python-compat-4.6.8-5.amzn2.4.2.noarch  
    python2-ipalib-4.6.8-5.amzn2.4.2.noarch  
    ipa-common-4.6.8-5.amzn2.4.2.noarch  
  
src:  
    ipa-4.6.8-5.amzn2.4.2.src  
  
x86_64:  
    ipa-server-4.6.8-5.amzn2.4.2.x86_64  
    ipa-server-trust-ad-4.6.8-5.amzn2.4.2.x86_64  
    ipa-client-4.6.8-5.amzn2.4.2.x86_64  
    ipa-debuginfo-4.6.8-5.amzn2.4.2.x86_64  

Additional References

Red Hat: CVE-2020-25719

Mitre: CVE-2020-25719