Low: sssd

Issue Overview:

The UNIX pipe which sudo uses to contact SSSD and read the available sudo rules from SSSD utilizes too broad of a set of permissions. Any user who can send a message using the same raw protocol that sudo and SSSD use can read the sudo rules available for any user.(CVE-2018-10852)

Affected Packages:

sssd

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 sssd to update your system.

New Packages:

aarch64:  
    sssd-1.16.2-13.amzn2.0.1.aarch64  
    sssd-common-1.16.2-13.amzn2.0.1.aarch64  
    sssd-client-1.16.2-13.amzn2.0.1.aarch64  
    libsss_sudo-1.16.2-13.amzn2.0.1.aarch64  
    libsss_autofs-1.16.2-13.amzn2.0.1.aarch64  
    sssd-tools-1.16.2-13.amzn2.0.1.aarch64  
    python-sss-1.16.2-13.amzn2.0.1.aarch64  
    python-sss-murmur-1.16.2-13.amzn2.0.1.aarch64  
    sssd-ldap-1.16.2-13.amzn2.0.1.aarch64  
    sssd-krb5-common-1.16.2-13.amzn2.0.1.aarch64  
    sssd-krb5-1.16.2-13.amzn2.0.1.aarch64  
    sssd-common-pac-1.16.2-13.amzn2.0.1.aarch64  
    sssd-ipa-1.16.2-13.amzn2.0.1.aarch64  
    sssd-ad-1.16.2-13.amzn2.0.1.aarch64  
    sssd-proxy-1.16.2-13.amzn2.0.1.aarch64  
    libsss_idmap-1.16.2-13.amzn2.0.1.aarch64  
    libsss_idmap-devel-1.16.2-13.amzn2.0.1.aarch64  
    libipa_hbac-1.16.2-13.amzn2.0.1.aarch64  
    libipa_hbac-devel-1.16.2-13.amzn2.0.1.aarch64  
    python-libipa_hbac-1.16.2-13.amzn2.0.1.aarch64  
    libsss_nss_idmap-1.16.2-13.amzn2.0.1.aarch64  
    libsss_nss_idmap-devel-1.16.2-13.amzn2.0.1.aarch64  
    python-libsss_nss_idmap-1.16.2-13.amzn2.0.1.aarch64  
    sssd-dbus-1.16.2-13.amzn2.0.1.aarch64  
    sssd-polkit-rules-1.16.2-13.amzn2.0.1.aarch64  
    libsss_simpleifp-1.16.2-13.amzn2.0.1.aarch64  
    libsss_simpleifp-devel-1.16.2-13.amzn2.0.1.aarch64  
    sssd-libwbclient-1.16.2-13.amzn2.0.1.aarch64  
    sssd-libwbclient-devel-1.16.2-13.amzn2.0.1.aarch64  
    sssd-winbind-idmap-1.16.2-13.amzn2.0.1.aarch64  
    libsss_certmap-1.16.2-13.amzn2.0.1.aarch64  
    libsss_certmap-devel-1.16.2-13.amzn2.0.1.aarch64  
    sssd-kcm-1.16.2-13.amzn2.0.1.aarch64  
    sssd-debuginfo-1.16.2-13.amzn2.0.1.aarch64  
  
i686:  
    sssd-1.16.2-13.amzn2.0.1.i686  
    sssd-common-1.16.2-13.amzn2.0.1.i686  
    sssd-client-1.16.2-13.amzn2.0.1.i686  
    libsss_sudo-1.16.2-13.amzn2.0.1.i686  
    libsss_autofs-1.16.2-13.amzn2.0.1.i686  
    sssd-tools-1.16.2-13.amzn2.0.1.i686  
    python-sss-1.16.2-13.amzn2.0.1.i686  
    python-sss-murmur-1.16.2-13.amzn2.0.1.i686  
    sssd-ldap-1.16.2-13.amzn2.0.1.i686  
    sssd-krb5-common-1.16.2-13.amzn2.0.1.i686  
    sssd-krb5-1.16.2-13.amzn2.0.1.i686  
    sssd-common-pac-1.16.2-13.amzn2.0.1.i686  
    sssd-ipa-1.16.2-13.amzn2.0.1.i686  
    sssd-ad-1.16.2-13.amzn2.0.1.i686  
    sssd-proxy-1.16.2-13.amzn2.0.1.i686  
    libsss_idmap-1.16.2-13.amzn2.0.1.i686  
    libsss_idmap-devel-1.16.2-13.amzn2.0.1.i686  
    libipa_hbac-1.16.2-13.amzn2.0.1.i686  
    libipa_hbac-devel-1.16.2-13.amzn2.0.1.i686  
    python-libipa_hbac-1.16.2-13.amzn2.0.1.i686  
    libsss_nss_idmap-1.16.2-13.amzn2.0.1.i686  
    libsss_nss_idmap-devel-1.16.2-13.amzn2.0.1.i686  
    python-libsss_nss_idmap-1.16.2-13.amzn2.0.1.i686  
    sssd-dbus-1.16.2-13.amzn2.0.1.i686  
    sssd-polkit-rules-1.16.2-13.amzn2.0.1.i686  
    libsss_simpleifp-1.16.2-13.amzn2.0.1.i686  
    libsss_simpleifp-devel-1.16.2-13.amzn2.0.1.i686  
    sssd-libwbclient-1.16.2-13.amzn2.0.1.i686  
    sssd-libwbclient-devel-1.16.2-13.amzn2.0.1.i686  
    sssd-winbind-idmap-1.16.2-13.amzn2.0.1.i686  
    libsss_certmap-1.16.2-13.amzn2.0.1.i686  
    libsss_certmap-devel-1.16.2-13.amzn2.0.1.i686  
    sssd-kcm-1.16.2-13.amzn2.0.1.i686  
    sssd-debuginfo-1.16.2-13.amzn2.0.1.i686  
  
noarch:  
    python-sssdconfig-1.16.2-13.amzn2.0.1.noarch  
  
src:  
    sssd-1.16.2-13.amzn2.0.1.src  
  
x86_64:  
    sssd-1.16.2-13.amzn2.0.1.x86_64  
    sssd-common-1.16.2-13.amzn2.0.1.x86_64  
    sssd-client-1.16.2-13.amzn2.0.1.x86_64  
    libsss_sudo-1.16.2-13.amzn2.0.1.x86_64  
    libsss_autofs-1.16.2-13.amzn2.0.1.x86_64  
    sssd-tools-1.16.2-13.amzn2.0.1.x86_64  
    python-sss-1.16.2-13.amzn2.0.1.x86_64  
    python-sss-murmur-1.16.2-13.amzn2.0.1.x86_64  
    sssd-ldap-1.16.2-13.amzn2.0.1.x86_64  
    sssd-krb5-common-1.16.2-13.amzn2.0.1.x86_64  
    sssd-krb5-1.16.2-13.amzn2.0.1.x86_64  
    sssd-common-pac-1.16.2-13.amzn2.0.1.x86_64  
    sssd-ipa-1.16.2-13.amzn2.0.1.x86_64  
    sssd-ad-1.16.2-13.amzn2.0.1.x86_64  
    sssd-proxy-1.16.2-13.amzn2.0.1.x86_64  
    libsss_idmap-1.16.2-13.amzn2.0.1.x86_64  
    libsss_idmap-devel-1.16.2-13.amzn2.0.1.x86_64  
    libipa_hbac-1.16.2-13.amzn2.0.1.x86_64  
    libipa_hbac-devel-1.16.2-13.amzn2.0.1.x86_64  
    python-libipa_hbac-1.16.2-13.amzn2.0.1.x86_64  
    libsss_nss_idmap-1.16.2-13.amzn2.0.1.x86_64  
    libsss_nss_idmap-devel-1.16.2-13.amzn2.0.1.x86_64  
    python-libsss_nss_idmap-1.16.2-13.amzn2.0.1.x86_64  
    sssd-dbus-1.16.2-13.amzn2.0.1.x86_64  
    sssd-polkit-rules-1.16.2-13.amzn2.0.1.x86_64  
    libsss_simpleifp-1.16.2-13.amzn2.0.1.x86_64  
    libsss_simpleifp-devel-1.16.2-13.amzn2.0.1.x86_64  
    sssd-libwbclient-1.16.2-13.amzn2.0.1.x86_64  
    sssd-libwbclient-devel-1.16.2-13.amzn2.0.1.x86_64  
    sssd-winbind-idmap-1.16.2-13.amzn2.0.1.x86_64  
    libsss_certmap-1.16.2-13.amzn2.0.1.x86_64  
    libsss_certmap-devel-1.16.2-13.amzn2.0.1.x86_64  
    sssd-kcm-1.16.2-13.amzn2.0.1.x86_64  
    sssd-debuginfo-1.16.2-13.amzn2.0.1.x86_64  

Additional References

Red Hat: CVE-2018-10852

Mitre: CVE-2018-10852