Security update for samba

Announcement ID: SUSE-SU-2023:0620-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2021-20251 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-20251 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
  • CVE-2022-37966 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-37966 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-38023 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-38023 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Enterprise Storage 7
  • SUSE Linux Enterprise Server 15 SP2

An update that solves three vulnerabilities can now be installed.

Description:

This update for samba fixes the following issues:

  • CVE-2021-20251: Fixed bad password count that was not incremented atomically (bsc#1206546).
  • CVE-2022-38023: Fixed weak RC4/HMAC-MD5 NetLogon Secure Channel usage should be avoided (bsc#1206504).
  • CVE-2022-37966: Fixed privilege elevation vulnerability with option 'kerberos encryption types = legacy' which would force RC4-HMAC as a client even if the server supports AES (bsc#1205385).

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:

  • SUSE Enterprise Storage 7
    zypper in -t patch SUSE-Storage-7-2023-620=1

Package List:

  • SUSE Enterprise Storage 7 (aarch64 x86_64)
    • libndr-krb5pac0-4.13.13+git.616.557146479a-150200.3.21.1
    • samba-libs-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • samba-client-4.13.13+git.616.557146479a-150200.3.21.1
    • samba-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libtevent-util0-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libnetapi0-4.13.13+git.616.557146479a-150200.3.21.1
    • libsamdb0-4.13.13+git.616.557146479a-150200.3.21.1
    • libsamba-util0-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libndr-standard0-4.13.13+git.616.557146479a-150200.3.21.1
    • libwbclient0-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • samba-ceph-4.13.13+git.616.557146479a-150200.3.21.1
    • ctdb-4.13.13+git.616.557146479a-150200.3.21.1
    • libtevent-util0-4.13.13+git.616.557146479a-150200.3.21.1
    • libndr-krb5pac0-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libsmbclient0-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libndr1-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libsamba-errors0-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libsmbldap2-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • samba-4.13.13+git.616.557146479a-150200.3.21.1
    • samba-libs-4.13.13+git.616.557146479a-150200.3.21.1
    • libdcerpc0-4.13.13+git.616.557146479a-150200.3.21.1
    • libsamba-passdb0-4.13.13+git.616.557146479a-150200.3.21.1
    • libsamba-util0-4.13.13+git.616.557146479a-150200.3.21.1
    • libsmbconf0-4.13.13+git.616.557146479a-150200.3.21.1
    • libdcerpc-binding0-4.13.13+git.616.557146479a-150200.3.21.1
    • libsamba-hostconfig0-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libsmbconf0-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libsamba-credentials0-4.13.13+git.616.557146479a-150200.3.21.1
    • samba-debugsource-4.13.13+git.616.557146479a-150200.3.21.1
    • libsamdb0-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libndr-nbt0-4.13.13+git.616.557146479a-150200.3.21.1
    • libdcerpc0-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libnetapi0-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libndr1-4.13.13+git.616.557146479a-150200.3.21.1
    • libwbclient0-4.13.13+git.616.557146479a-150200.3.21.1
    • libndr-nbt0-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • samba-ceph-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libsmbclient0-4.13.13+git.616.557146479a-150200.3.21.1
    • samba-libs-python3-4.13.13+git.616.557146479a-150200.3.21.1
    • samba-winbind-4.13.13+git.616.557146479a-150200.3.21.1
    • libsamba-credentials0-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • samba-libs-python3-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libdcerpc-binding0-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libsamba-passdb0-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • samba-client-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libsamba-hostconfig0-4.13.13+git.616.557146479a-150200.3.21.1
    • samba-winbind-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libndr-standard0-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1
    • libsamba-errors0-4.13.13+git.616.557146479a-150200.3.21.1
    • libsmbldap2-4.13.13+git.616.557146479a-150200.3.21.1
    • ctdb-debuginfo-4.13.13+git.616.557146479a-150200.3.21.1

References: