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centosCentOS ProjectCESA-2021:3336
HistorySep 01, 2021 - 1:06 p.m.

libipa_hbac, libsss_autofs, libsss_certmap, libsss_idmap, libsss_nss_idmap, libsss_simpleifp, libsss_sudo, python, sssd security update

2021-09-0113:06:57
CentOS Project
lists.centos.org
749

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

48.8%

CentOS Errata and Security Advisory CESA-2021:3336

The System Security Services Daemon (SSSD) service provides a set of daemons to manage access to remote directories and authentication mechanisms. It also provides the Name Service Switch (NSS) and the Pluggable Authentication Modules (PAM) interfaces toward the system, and a pluggable back-end system to connect to multiple different account sources.

Security Fix(es):

  • sssd: shell command injection in sssctl (CVE-2021-3621)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

  • Memory leak in the simple access provider (BZ#1964415)

  • id lookup is failing intermittently (BZ#1968330)

  • SSSD is NOT able to contact the Global Catalog when local site is down (BZ#1973796)

  • Missing search index for originalADgidNumber (BZ#1988463)

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2021-September/086153.html

Affected packages:
libipa_hbac
libipa_hbac-devel
libsss_autofs
libsss_certmap
libsss_certmap-devel
libsss_idmap
libsss_idmap-devel
libsss_nss_idmap
libsss_nss_idmap-devel
libsss_simpleifp
libsss_simpleifp-devel
libsss_sudo
python-libipa_hbac
python-libsss_nss_idmap
python-sss
python-sss-murmur
python-sssdconfig
sssd
sssd-ad
sssd-client
sssd-common
sssd-common-pac
sssd-dbus
sssd-ipa
sssd-kcm
sssd-krb5
sssd-krb5-common
sssd-ldap
sssd-libwbclient
sssd-libwbclient-devel
sssd-polkit-rules
sssd-proxy
sssd-tools
sssd-winbind-idmap

Upstream details at:
https://access.redhat.com/errata/RHSA-2021:3336

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

48.8%