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Related Vulnerabilities: CVE-2021-3621

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)

Source

ALAS2-2021-1715

Amazon Linux 2 Security Advisory: ALAS-2021-1715
Advisory Release Date: 2021-10-04 20:18 Pacific
Advisory Updated Date: 2021-10-06 20:25 Pacific

Severity: Important

References: CVE-2021-3621

Issue Overview:

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)

Affected Packages:

sssd

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

New Packages:

aarch64:
    sssd-1.16.5-10.amzn2.10.aarch64
    sssd-common-1.16.5-10.amzn2.10.aarch64
    sssd-client-1.16.5-10.amzn2.10.aarch64
    libsss_sudo-1.16.5-10.amzn2.10.aarch64
    libsss_autofs-1.16.5-10.amzn2.10.aarch64
    sssd-tools-1.16.5-10.amzn2.10.aarch64
    python-sss-1.16.5-10.amzn2.10.aarch64
    python-sss-murmur-1.16.5-10.amzn2.10.aarch64
    sssd-ldap-1.16.5-10.amzn2.10.aarch64
    sssd-krb5-common-1.16.5-10.amzn2.10.aarch64
    sssd-krb5-1.16.5-10.amzn2.10.aarch64
    sssd-common-pac-1.16.5-10.amzn2.10.aarch64
    sssd-ipa-1.16.5-10.amzn2.10.aarch64
    sssd-ad-1.16.5-10.amzn2.10.aarch64
    sssd-proxy-1.16.5-10.amzn2.10.aarch64
    libsss_idmap-1.16.5-10.amzn2.10.aarch64
    libsss_idmap-devel-1.16.5-10.amzn2.10.aarch64
    libipa_hbac-1.16.5-10.amzn2.10.aarch64
    libipa_hbac-devel-1.16.5-10.amzn2.10.aarch64
    python-libipa_hbac-1.16.5-10.amzn2.10.aarch64
    libsss_nss_idmap-1.16.5-10.amzn2.10.aarch64
    libsss_nss_idmap-devel-1.16.5-10.amzn2.10.aarch64
    python-libsss_nss_idmap-1.16.5-10.amzn2.10.aarch64
    sssd-dbus-1.16.5-10.amzn2.10.aarch64
    sssd-polkit-rules-1.16.5-10.amzn2.10.aarch64
    libsss_simpleifp-1.16.5-10.amzn2.10.aarch64
    libsss_simpleifp-devel-1.16.5-10.amzn2.10.aarch64
    sssd-libwbclient-1.16.5-10.amzn2.10.aarch64
    sssd-libwbclient-devel-1.16.5-10.amzn2.10.aarch64
    sssd-winbind-idmap-1.16.5-10.amzn2.10.aarch64
    libsss_certmap-1.16.5-10.amzn2.10.aarch64
    libsss_certmap-devel-1.16.5-10.amzn2.10.aarch64
    sssd-kcm-1.16.5-10.amzn2.10.aarch64
    sssd-debuginfo-1.16.5-10.amzn2.10.aarch64

i686:
    sssd-1.16.5-10.amzn2.10.i686
    sssd-common-1.16.5-10.amzn2.10.i686
    sssd-client-1.16.5-10.amzn2.10.i686
    libsss_sudo-1.16.5-10.amzn2.10.i686
    libsss_autofs-1.16.5-10.amzn2.10.i686
    sssd-tools-1.16.5-10.amzn2.10.i686
    python-sss-1.16.5-10.amzn2.10.i686
    python-sss-murmur-1.16.5-10.amzn2.10.i686
    sssd-ldap-1.16.5-10.amzn2.10.i686
    sssd-krb5-common-1.16.5-10.amzn2.10.i686
    sssd-krb5-1.16.5-10.amzn2.10.i686
    sssd-common-pac-1.16.5-10.amzn2.10.i686
    sssd-ipa-1.16.5-10.amzn2.10.i686
    sssd-ad-1.16.5-10.amzn2.10.i686
    sssd-proxy-1.16.5-10.amzn2.10.i686
    libsss_idmap-1.16.5-10.amzn2.10.i686
    libsss_idmap-devel-1.16.5-10.amzn2.10.i686
    libipa_hbac-1.16.5-10.amzn2.10.i686
    libipa_hbac-devel-1.16.5-10.amzn2.10.i686
    python-libipa_hbac-1.16.5-10.amzn2.10.i686
    libsss_nss_idmap-1.16.5-10.amzn2.10.i686
    libsss_nss_idmap-devel-1.16.5-10.amzn2.10.i686
    python-libsss_nss_idmap-1.16.5-10.amzn2.10.i686
    sssd-dbus-1.16.5-10.amzn2.10.i686
    sssd-polkit-rules-1.16.5-10.amzn2.10.i686
    libsss_simpleifp-1.16.5-10.amzn2.10.i686
    libsss_simpleifp-devel-1.16.5-10.amzn2.10.i686
    sssd-libwbclient-1.16.5-10.amzn2.10.i686
    sssd-libwbclient-devel-1.16.5-10.amzn2.10.i686
    sssd-winbind-idmap-1.16.5-10.amzn2.10.i686
    libsss_certmap-1.16.5-10.amzn2.10.i686
    libsss_certmap-devel-1.16.5-10.amzn2.10.i686
    sssd-kcm-1.16.5-10.amzn2.10.i686
    sssd-debuginfo-1.16.5-10.amzn2.10.i686

noarch:
    python-sssdconfig-1.16.5-10.amzn2.10.noarch

src:
    sssd-1.16.5-10.amzn2.10.src

x86_64:
    sssd-1.16.5-10.amzn2.10.x86_64
    sssd-common-1.16.5-10.amzn2.10.x86_64
    sssd-client-1.16.5-10.amzn2.10.x86_64
    libsss_sudo-1.16.5-10.amzn2.10.x86_64
    libsss_autofs-1.16.5-10.amzn2.10.x86_64
    sssd-tools-1.16.5-10.amzn2.10.x86_64
    python-sss-1.16.5-10.amzn2.10.x86_64
    python-sss-murmur-1.16.5-10.amzn2.10.x86_64
    sssd-ldap-1.16.5-10.amzn2.10.x86_64
    sssd-krb5-common-1.16.5-10.amzn2.10.x86_64
    sssd-krb5-1.16.5-10.amzn2.10.x86_64
    sssd-common-pac-1.16.5-10.amzn2.10.x86_64
    sssd-ipa-1.16.5-10.amzn2.10.x86_64
    sssd-ad-1.16.5-10.amzn2.10.x86_64
    sssd-proxy-1.16.5-10.amzn2.10.x86_64
    libsss_idmap-1.16.5-10.amzn2.10.x86_64
    libsss_idmap-devel-1.16.5-10.amzn2.10.x86_64
    libipa_hbac-1.16.5-10.amzn2.10.x86_64
    libipa_hbac-devel-1.16.5-10.amzn2.10.x86_64
    python-libipa_hbac-1.16.5-10.amzn2.10.x86_64
    libsss_nss_idmap-1.16.5-10.amzn2.10.x86_64
    libsss_nss_idmap-devel-1.16.5-10.amzn2.10.x86_64
    python-libsss_nss_idmap-1.16.5-10.amzn2.10.x86_64
    sssd-dbus-1.16.5-10.amzn2.10.x86_64
    sssd-polkit-rules-1.16.5-10.amzn2.10.x86_64
    libsss_simpleifp-1.16.5-10.amzn2.10.x86_64
    libsss_simpleifp-devel-1.16.5-10.amzn2.10.x86_64
    sssd-libwbclient-1.16.5-10.amzn2.10.x86_64
    sssd-libwbclient-devel-1.16.5-10.amzn2.10.x86_64
    sssd-winbind-idmap-1.16.5-10.amzn2.10.x86_64
    libsss_certmap-1.16.5-10.amzn2.10.x86_64
    libsss_certmap-devel-1.16.5-10.amzn2.10.x86_64
    sssd-kcm-1.16.5-10.amzn2.10.x86_64
    sssd-debuginfo-1.16.5-10.amzn2.10.x86_64

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