Skip to content
OpenAdvisories
High ALAS2-2023-1995 1 CVE

Important: sssd security update (Amazon Linux 2)

Published Mar 17, 2023 · Updated Mar 21, 2023

Summary

Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2022-4254: A vulnerability was found in SSSD, in the libsss_certmap functionality. PKINIT enables a client to authenticate to the KDC using an X.509 certificate and the corresponding private key, rather than a passphrase or keytab. FreeIPA uses mapping rules to map a certificate presented during a PKINIT authentication request to the corresponding principal. The mapping filter is vulnerable to LDAP filter injection. The search result can be influenced by values in the certificate, which may be attacker controlled. In the most extreme case, an attacker could gain control of the admin account, leading to full domain takeover.

Fixed packages 35

ReleasePackageFixed in
Amazon Linux · 2 libipa_hbac 0:1.16.5-10.amzn2.15
Amazon Linux · 2 libipa_hbac-devel 0:1.16.5-10.amzn2.15
Amazon Linux · 2 libsss_autofs 0:1.16.5-10.amzn2.15
Amazon Linux · 2 libsss_certmap 0:1.16.5-10.amzn2.15
Amazon Linux · 2 libsss_certmap-devel 0:1.16.5-10.amzn2.15
Amazon Linux · 2 libsss_idmap 0:1.16.5-10.amzn2.15
Amazon Linux · 2 libsss_idmap-devel 0:1.16.5-10.amzn2.15
Amazon Linux · 2 libsss_nss_idmap 0:1.16.5-10.amzn2.15
Amazon Linux · 2 libsss_nss_idmap-devel 0:1.16.5-10.amzn2.15
Amazon Linux · 2 libsss_simpleifp 0:1.16.5-10.amzn2.15
Amazon Linux · 2 libsss_simpleifp-devel 0:1.16.5-10.amzn2.15
Amazon Linux · 2 libsss_sudo 0:1.16.5-10.amzn2.15
Amazon Linux · 2 python-libipa_hbac 0:1.16.5-10.amzn2.15
Amazon Linux · 2 python-libsss_nss_idmap 0:1.16.5-10.amzn2.15
Amazon Linux · 2 python-sss 0:1.16.5-10.amzn2.15
Amazon Linux · 2 python-sss-murmur 0:1.16.5-10.amzn2.15
Amazon Linux · 2 python-sssdconfig 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-ad 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-client 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-common 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-common-pac 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-dbus 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-debuginfo 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-ipa 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-kcm 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-krb5 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-krb5-common 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-ldap 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-libwbclient 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-libwbclient-devel 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-polkit-rules 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-proxy 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-tools 0:1.16.5-10.amzn2.15
Amazon Linux · 2 sssd-winbind-idmap 0:1.16.5-10.amzn2.15

Vulnerabilities 1

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2022-4254.html