Security update for samba

Announcement ID: SUSE-SU-2021:1444-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2020-27840 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-27840 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2021-20254 ( SUSE ): 7.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
  • CVE-2021-20254 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
  • CVE-2021-20277 ( SUSE ): 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
  • CVE-2021-20277 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • Basesystem Module 15-SP2
  • Python 2 Module 15-SP2
  • SUSE Linux Enterprise Desktop 15 SP2
  • SUSE Linux Enterprise High Availability Extension 15 SP2
  • SUSE Linux Enterprise High Performance Computing 15 SP2
  • SUSE Linux Enterprise Real Time 15 SP2
  • SUSE Linux Enterprise Server 15 SP2
  • SUSE Linux Enterprise Server 15 SP2 Business Critical Linux 15-SP2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2
  • SUSE Manager Proxy 4.1
  • SUSE Manager Retail Branch Server 4.1
  • SUSE Manager Server 4.1

An update that solves three vulnerabilities and has three security fixes can now be installed.

Description:

This update for samba fixes the following issues:

  • CVE-2021-20277: Fixed an out of bounds read in ldb_handler_fold (bsc#1183574).
  • CVE-2021-20254: Fixed a buffer overrun in sids_to_unixids() (bsc#1184677).
  • CVE-2020-27840: Fixed an unauthenticated remote heap corruption via bad DNs (bsc#1183572).
  • Avoid free'ing our own pointer in memcache when memcache_trim attempts to reduce cache size (bsc#1179156).
  • s3-libads: use dns name to open a ldap session (bsc#1184310).
  • Adjust smbcacls '--propagate-inheritance' feature to align with upstream (bsc#1178469).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • Basesystem Module 15-SP2
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-1444=1
  • Python 2 Module 15-SP2
    zypper in -t patch SUSE-SLE-Module-Python2-15-SP2-2021-1444=1
  • SUSE Linux Enterprise High Availability Extension 15 SP2
    zypper in -t patch SUSE-SLE-Product-HA-15-SP2-2021-1444=1

Package List:

  • Basesystem Module 15-SP2 (aarch64 ppc64le s390x x86_64)
    • libwbclient0-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-credentials-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-passdb0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsmbclient0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-errors0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-core-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-credentials0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libnetapi0-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsmbldap-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-dsdb-modules-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-dsdb-modules-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr-krb5pac-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsmbconf0-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-libs-python3-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libwbclient0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-util0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libtevent-util0-4.11.14+git.247.8c858f7ee14-4.19.1
    • libnetapi-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-libs-python3-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr-standard-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-policy0-python3-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-policy-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsmbclient-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsmbldap2-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr-nbt-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • libdcerpc-samr0-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-hostconfig0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-client-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libdcerpc-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-passdb-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr-standard0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr-standard0-4.11.14+git.247.8c858f7ee14-4.19.1
    • libdcerpc0-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-python3-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr-nbt0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-util0-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-debugsource-4.11.14+git.247.8c858f7ee14-4.19.1
    • libdcerpc-samr-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr-krb5pac0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libnetapi0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-passdb0-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr-krb5pac0-4.11.14+git.247.8c858f7ee14-4.19.1
    • libdcerpc-samr0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libwbclient-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-4.11.14+git.247.8c858f7ee14-4.19.1
    • libdcerpc0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • libtevent-util-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • libtevent-util0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamdb0-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-hostconfig-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsmbldap2-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-errors0-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-policy0-python3-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-python3-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-winbind-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-hostconfig0-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamdb-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsmbclient0-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-winbind-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-errors-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-policy-python3-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-libs-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr0-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-libs-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-credentials0-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-util-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsmbconf0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr-nbt0-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamdb0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsmbconf-devel-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-client-4.11.14+git.247.8c858f7ee14-4.19.1
    • libdcerpc-binding0-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libdcerpc-binding0-4.11.14+git.247.8c858f7ee14-4.19.1
  • Basesystem Module 15-SP2 (aarch64 x86_64)
    • samba-ceph-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-ceph-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
  • Basesystem Module 15-SP2 (x86_64)
    • libnetapi0-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr-krb5pac0-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libwbclient0-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr-standard0-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsmbconf0-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-errors0-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-hostconfig0-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-hostconfig0-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libnetapi0-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-libs-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-passdb0-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr-standard0-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libdcerpc0-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr0-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-util0-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-credentials0-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libdcerpc-binding0-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamdb0-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-errors0-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • libdcerpc-binding0-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsmbconf0-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libtevent-util0-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr-nbt0-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamdb0-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr-nbt0-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-passdb0-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsmbldap2-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-winbind-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr0-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libwbclient0-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-credentials0-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsamba-util0-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • libtevent-util0-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-winbind-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • libsmbldap2-32bit-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-libs-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • libndr-krb5pac0-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
    • libdcerpc0-32bit-4.11.14+git.247.8c858f7ee14-4.19.1
  • Python 2 Module 15-SP2 (aarch64 ppc64le s390x x86_64)
    • samba-debugsource-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-ad-dc-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-dsdb-modules-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-dsdb-modules-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-ad-dc-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
  • SUSE Linux Enterprise High Availability Extension 15 SP2 (aarch64 ppc64le s390x x86_64)
    • ctdb-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-debugsource-4.11.14+git.247.8c858f7ee14-4.19.1
    • samba-debuginfo-4.11.14+git.247.8c858f7ee14-4.19.1
    • ctdb-4.11.14+git.247.8c858f7ee14-4.19.1

References: