ALAS2-2023-2149

Related Vulnerabilities: CVE-2020-25719  

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)

ALAS2-2023-2149


Amazon Linux 2 Security Advisory: ALAS-2023-2149
Advisory Release Date: 2023-07-17 17:40 Pacific
Advisory Updated Date: 2023-07-19 22:18 Pacific
Severity: Important

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


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