Security update for ldb, samba

Announcement ID: SUSE-SU-2022:0361-1
Rating: critical
References:
Cross-References:
CVSS scores:
  • CVE-2016-2124 ( SUSE ): 6.8 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
  • CVE-2016-2124 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE-2020-17049 ( SUSE ): 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-17049 ( NVD ): 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-25717 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
  • CVE-2020-25717 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
  • CVE-2020-25718 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-25718 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-25719 ( SUSE ): 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-25719 ( NVD ): 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-25721 ( SUSE ): 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
  • CVE-2020-25721 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-25722 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-25722 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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-2021-23192 ( SUSE ): 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
  • CVE-2021-23192 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  • CVE-2021-3738 ( SUSE ): 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
  • CVE-2021-3738 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-44142 ( SUSE ): 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  • CVE-2021-44142 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/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 11 vulnerabilities, contains one feature and has two security fixes can now be installed.

Description:

This update for ldb, samba fixes the following issues:

Changes in ldb:

  • CVE-2020-25718: An RODC can issue (forge) administrator tickets to other servers; (bsc#1192246)
  • CVE-2021-3738: Fixed a crash in dsdb stack (bsc#1192215)

Release ldb 2.2.2

  • Corrected python behaviour for 'in' for LDAP attributes contained as part of ldb.Message
  • Fix memory handling in ldb.msg_diff
  • Backport bronze bit fixes, tests, and selftest improvements.

Changes in samba:

  • CVE-2021-44142: Fixed an Out-of-Bound Read/Write on Samba vfs_fruit module; (bsc#1194859)

  • The username map [script] advice from CVE-2020-25717 advisory note has undesired side effects for the local nt token. Fallback to a SID/UID based mapping if the name based lookup fails; (bsc#1192849); (bso#14901).

  • Fix regression introduced by CVE-2020-25717 patches, winbindd does not start when 'allow trusted domains' is off; (bso#14899);

  • CVE-2020-25717: Fixed that a user on the domain can become root on domain members; (bsc#1192284); (bso#14556).

  • CVE-2020-25721: auth: Fill in the new HAS_SAM_NAME_AND_SID values; (bsc#1192505); (bso#14564).
  • CVE-2020-25718: An RODC can issue (forge) administrator tickets to other servers; (bsc#1192246);(bso#14558).
  • CVE-2020-25719: Fixed AD DC Username based races when no PAC is given;(bsc#1192247);(bso#14561).
  • CVE-2020-25722: Fixed that AD DC UPN vs samAccountName not checked (top-level bug for AD DC validation issues);(bsc#1192283); (bso#14564).
  • CVE-2021-3738: Fixed a crash in dsdb stack;(bsc#1192215); (bso#14468).

  • CVE-2021-23192: Fixed that dcerpc requests don't check all fragments against the first auth_state;(bsc#1192214);(bso#14875).

  • CVE-2016-2124: don't fallback to non spnego authentication if we require kerberos; (bsc#1014440); (bso#12444).

Update to 4.13.13

  • rodc_rwdc test flaps;(bso#14868).
  • Backport bronze bit fixes, tests, and selftest improvements; (bso#14881).
  • Provide a fix for MS CVE-2020-17049 in Samba [SECURITY] 'Bronze bit' S4U2Proxy Constrained Delegation bypass in Samba with embedded Heimdal;(bso#14642).
  • Python ldb.msg_diff() memory handling failure;(bso#14836).
  • "in" operator on ldb.Message is case sensitive;(bso#14845).
  • Fix Samba support for UF_NO_AUTH_DATA_REQUIRED;(bso#14871).
  • Allow special chars like "@" in samAccountName when generating the salt;(bso#14874).
  • Fix transit path validation;(bso#12998).
  • Prepare to operate with MIT krb5 >= 1.20;(bso#14870).
  • rpcclient NetFileEnum and net rpc file both cause lock order violation: brlock.tdb, share_entries.tdb;(bso#14645).
  • Python ldb.msg_diff() memory handling failure;(bso#14836).

  • Release LDB 2.3.1 for Samba 4.14.9;(bso#14848).

  • Update to 4.13.12

  • Address a signifcant performance regression in database access in the AD DC since Samba 4.12;(bso#14806).

  • Fix performance regression in lsa_LookupSids3/LookupNames4 since Samba 4.9 by using an explicit database handle cache; (bso#14807).
  • An unuthenticated user can crash the AD DC KDC by omitting the server name in a TGS-REQ;(bso#14817).
  • Address flapping samba_tool_drs_showrepl test;(bso#14818).
  • Address flapping dsdb_schema_attributes test;(bso#14819).
  • An unuthenticated user can crash the AD DC KDC by omitting the server name in a TGS-REQ;(bso#14817).

  • Fix CTDB flag/status update race conditions(bso#14784).

  • Update to 4.13.11

  • smbd: panic on force-close share during offload write; (bso#14769).

  • Fix returned attributes on fake quota file handle and avoid hitting the VFS;(bso#14731).
  • smbd: "deadtime" parameter doesn't work anymore;(bso#14783).
  • net conf list crashes when run as normal user;(bso#14787).
  • Work around special SMB2 READ response behavior of NetApp Ontap 7.3.7;(bso#14607).
  • Start the SMB encryption as soon as possible;(bso#14793).

  • Winbind should not start if the socket path for the privileged pipe is too long;(bso#14792).

  • Fix 'net rpc' authentication when using the machine account; (bsc#1189017); (bso#14796);

  • Fix dependency problem upgrading from libndr0 to libndr1; (bsc#1189875);

  • Fix dependency problem upgrading from libsmbldap0 to libsmbldap2; (bsc#1189875);
  • Fix wrong kvno exported to keytab after net ads changetrustpw due to replication delay; (bsc#1188727);

  • Add Certificate Auto Enrollment Policy; (jsc#SLE-18456).

  • Update to 4.13.10

  • s3: smbd: Ensure POSIX default ACL is mapped into returned Windows ACL for directory handles; (bso#14708);

  • Take a copy to make sure we don't reference free'd memory; (bso#14721);
  • s3: lib: Fix talloc heirarcy error in parent_smb_fname(); (bso#14722);
  • s3: smbd: Remove erroneous TALLOC_FREE(smb_fname_parent) in change_file_owner_to_parent() error path; (bso#14736);
  • samba-tool: Give better error information when the 'domain backup restore' fails with a duplicate SID; (bso#14575);
  • smbd: Correctly initialize close timestamp fields; (bso#14714);
  • Spotlight RPC service doesn't work with vfs_glusterfs; (bso#14740);
  • ctdb: Fix a crash in run_proc_signal_handler(); (bso#14475);
  • gensec_krb5: Restore ipv6 support for kpasswd; (bso#14750);
  • smbXsrv_{open,session,tcon}: Protect smbXsrv_{open,session,tcon}_global_traverse_fn against invalid records; (bso#14752);
  • samba-tool domain backup offline doesn't work against bind DLZ backend; (bso#14027);

  • netcmd: Use next_free_rid() function to calculate a SID for restoring a backup; (bso#14669);

  • Update to 4.13.9

  • s3: smbd: SMB1 SMBsplwr doesn't send a reply packet on success; (bso#14696);

  • Add documentation for dsdb_group_audit and dsdb_group_json_audit to "log level", synchronise "log level" in smb.conf with the code; (bso#14689);
  • Fix smbd panic when two clients open same file; (bso#14672);
  • Fix memory leak in the RPC server; (bso#14675);
  • s3: smbd: Fix deferred renames; (bso#14679);
  • s3-iremotewinspool: Set the per-request memory context; (bso#14675);
  • rpc_server3: Fix a memleak for internal pipes; (bso#14675);
  • third_party: Update socket_wrapper to version 1.3.2; (bso#11899);
  • third_party: Update socket_wrapper to version 1.3.3; (bso#14639);
  • idmap_rfc2307 and idmap_nss return wrong mapping for uid/gid conflict; (bso#14663);

  • Fix the build on OmniOS; (bso#14288);

  • Update to 4.13.8

  • CVE-2021-20254: Fix buffer overrun in sids_to_unixids(); (bso#14571

  • Update to 4.13.7

  • Release with dependency on ldb version 2.2.1.

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-7-2022-361=1

Package List:

  • SUSE Enterprise Storage 7 (aarch64 x86_64)
    • libtevent-util0-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsmbconf0-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • libtevent-util0-4.13.13+git.545.5897c2d94f3-3.12.1
    • libwbclient0-4.13.13+git.545.5897c2d94f3-3.12.1
    • libldb2-2.2.2-4.6.1
    • libnetapi0-4.13.13+git.545.5897c2d94f3-3.12.1
    • ctdb-4.13.13+git.545.5897c2d94f3-3.12.1
    • libdcerpc0-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsamba-passdb0-4.13.13+git.545.5897c2d94f3-3.12.1
    • libndr-nbt0-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • samba-libs-python3-4.13.13+git.545.5897c2d94f3-3.12.1
    • libndr-standard0-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsamba-hostconfig0-4.13.13+git.545.5897c2d94f3-3.12.1
    • python3-ldb-debuginfo-2.2.2-4.6.1
    • samba-ceph-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • libldb2-debuginfo-2.2.2-4.6.1
    • libdcerpc-binding0-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • libndr1-4.13.13+git.545.5897c2d94f3-3.12.1
    • libndr1-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • samba-4.13.13+git.545.5897c2d94f3-3.12.1
    • samba-winbind-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • libndr-nbt0-4.13.13+git.545.5897c2d94f3-3.12.1
    • ldb-debugsource-2.2.2-4.6.1
    • libsmbclient0-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • samba-libs-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • samba-winbind-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsamba-hostconfig0-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • libnetapi0-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsamdb0-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • libdcerpc-binding0-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsamba-util0-4.13.13+git.545.5897c2d94f3-3.12.1
    • samba-ceph-4.13.13+git.545.5897c2d94f3-3.12.1
    • libndr-standard0-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsamba-credentials0-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsmbclient0-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsmbldap2-4.13.13+git.545.5897c2d94f3-3.12.1
    • libdcerpc0-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsmbldap2-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • samba-libs-python3-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsamba-errors0-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsamba-errors0-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsamba-util0-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • samba-debugsource-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsamdb0-4.13.13+git.545.5897c2d94f3-3.12.1
    • libwbclient0-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • libndr-krb5pac0-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsamba-credentials0-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • samba-client-4.13.13+git.545.5897c2d94f3-3.12.1
    • python3-ldb-2.2.2-4.6.1
    • ctdb-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • samba-libs-4.13.13+git.545.5897c2d94f3-3.12.1
    • samba-client-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsmbconf0-4.13.13+git.545.5897c2d94f3-3.12.1
    • samba-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1
    • libndr-krb5pac0-4.13.13+git.545.5897c2d94f3-3.12.1
    • libsamba-passdb0-debuginfo-4.13.13+git.545.5897c2d94f3-3.12.1

References: