Amazon Linux 1 Security Advisory: ALAS-2023-1723
Advisory Release Date: 2023-03-30 22:50 Pacific
Advisory Updated Date: 2023-04-05 20:23 Pacific
A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection via the logs-fetch and cache-expire subcommands. This flaw allows an attacker to trick the root user into running a specially crafted sssctl command, such as via sudo, to gain root access. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. (CVE-2021-3621)
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. (CVE-2022-4254)
Affected Packages:
sssd
Issue Correction:
Run yum update sssd to update your system.
i686:
sssd-tools-1.16.4-21.27.amzn1.i686
libsss_simpleifp-devel-1.16.4-21.27.amzn1.i686
python27-sss-1.16.4-21.27.amzn1.i686
sssd-ipa-1.16.4-21.27.amzn1.i686
sssd-libwbclient-devel-1.16.4-21.27.amzn1.i686
libsss_idmap-1.16.4-21.27.amzn1.i686
libsss_nss_idmap-1.16.4-21.27.amzn1.i686
libsss_certmap-1.16.4-21.27.amzn1.i686
sssd-client-1.16.4-21.27.amzn1.i686
sssd-common-1.16.4-21.27.amzn1.i686
libipa_hbac-devel-1.16.4-21.27.amzn1.i686
sssd-krb5-1.16.4-21.27.amzn1.i686
libsss_autofs-1.16.4-21.27.amzn1.i686
sssd-common-pac-1.16.4-21.27.amzn1.i686
sssd-1.16.4-21.27.amzn1.i686
libsss_certmap-devel-1.16.4-21.27.amzn1.i686
sssd-debuginfo-1.16.4-21.27.amzn1.i686
sssd-libwbclient-1.16.4-21.27.amzn1.i686
python27-libipa_hbac-1.16.4-21.27.amzn1.i686
libsss_nss_idmap-devel-1.16.4-21.27.amzn1.i686
sssd-ad-1.16.4-21.27.amzn1.i686
libipa_hbac-1.16.4-21.27.amzn1.i686
sssd-dbus-1.16.4-21.27.amzn1.i686
libsss_simpleifp-1.16.4-21.27.amzn1.i686
sssd-krb5-common-1.16.4-21.27.amzn1.i686
python27-libsss_nss_idmap-1.16.4-21.27.amzn1.i686
sssd-winbind-idmap-1.16.4-21.27.amzn1.i686
sssd-ldap-1.16.4-21.27.amzn1.i686
sssd-proxy-1.16.4-21.27.amzn1.i686
libsss_idmap-devel-1.16.4-21.27.amzn1.i686
python27-sss-murmur-1.16.4-21.27.amzn1.i686
libsss_sudo-1.16.4-21.27.amzn1.i686
noarch:
python27-sssdconfig-1.16.4-21.27.amzn1.noarch
src:
sssd-1.16.4-21.27.amzn1.src
x86_64:
libsss_autofs-1.16.4-21.27.amzn1.x86_64
sssd-krb5-common-1.16.4-21.27.amzn1.x86_64
sssd-winbind-idmap-1.16.4-21.27.amzn1.x86_64
libsss_simpleifp-1.16.4-21.27.amzn1.x86_64
sssd-common-1.16.4-21.27.amzn1.x86_64
sssd-dbus-1.16.4-21.27.amzn1.x86_64
python27-libsss_nss_idmap-1.16.4-21.27.amzn1.x86_64
libsss_nss_idmap-1.16.4-21.27.amzn1.x86_64
libsss_idmap-devel-1.16.4-21.27.amzn1.x86_64
sssd-common-pac-1.16.4-21.27.amzn1.x86_64
libsss_nss_idmap-devel-1.16.4-21.27.amzn1.x86_64
libsss_certmap-devel-1.16.4-21.27.amzn1.x86_64
libipa_hbac-1.16.4-21.27.amzn1.x86_64
libsss_certmap-1.16.4-21.27.amzn1.x86_64
python27-sss-murmur-1.16.4-21.27.amzn1.x86_64
libsss_sudo-1.16.4-21.27.amzn1.x86_64
libsss_idmap-1.16.4-21.27.amzn1.x86_64
sssd-client-1.16.4-21.27.amzn1.x86_64
sssd-tools-1.16.4-21.27.amzn1.x86_64
sssd-proxy-1.16.4-21.27.amzn1.x86_64
sssd-1.16.4-21.27.amzn1.x86_64
python27-libipa_hbac-1.16.4-21.27.amzn1.x86_64
libsss_simpleifp-devel-1.16.4-21.27.amzn1.x86_64
sssd-libwbclient-devel-1.16.4-21.27.amzn1.x86_64
sssd-debuginfo-1.16.4-21.27.amzn1.x86_64
sssd-krb5-1.16.4-21.27.amzn1.x86_64
sssd-ipa-1.16.4-21.27.amzn1.x86_64
sssd-ldap-1.16.4-21.27.amzn1.x86_64
python27-sss-1.16.4-21.27.amzn1.x86_64
sssd-libwbclient-1.16.4-21.27.amzn1.x86_64
libipa_hbac-devel-1.16.4-21.27.amzn1.x86_64
sssd-ad-1.16.4-21.27.amzn1.x86_64