Lucene search

K
suseSuseOPENSUSE-SU-2020:1023-1
HistoryJul 21, 2020 - 12:00 a.m.

Security update for ldb, samba (important)

2020-07-2100:00:00
lists.opensuse.org
41

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

An update that solves 6 vulnerabilities and has 7 fixes is
now available.

Description:

This update for ldb, samba fixes the following issues:

Changes in samba:

  • Update to samba 4.11.11

    • CVE-2020-10730: NULL de-reference in AD DC LDAP server when ASQ and
      VLV combined; (bso#14364); (bsc#1173159]
    • CVE-2020-10745: invalid DNS or NBT queries containing dots use several
      seconds of CPU each; (bso#14378); (bsc#1173160).
    • CVE-2020-10760: Use-after-free in AD DC Global Catalog LDAP server
      with paged_result or VLV; (bso#14402); (bsc#1173161)
    • CVE-2020-14303: Endless loop from empty UDP packet sent to AD DC
      nbt_server; (bso#14417); (bsc#1173359).
  • Update to samba 4.11.10

    • Fix segfault when using SMBC_opendir_ctx() routine for share folder
      that contains incorrect symbols in any file name; (bso#14374).
    • vfs_shadow_copy2 doesn’t fail case looking in snapdirseverywhere mode;
      (bso#14350)
    • ldb_ldap: Fix off-by-one increment in lldb_add_msg_attr; (bso#14413).
    • Malicous SMB1 server can crash libsmbclient; (bso#14366)
    • winbindd: Fix a use-after-free when winbind clients exit; (bso#14382)
    • ldb: Bump version to 2.0.11, LMDB databases can grow without bounds.
      (bso#14330)
  • Update to samba 4.11.9

    • nmblib: Avoid undefined behaviour in handle_name_ptrs(); (bso#14242).
    • ‘samba-tool group’ commands do not handle group names with special
      chars correctly; (bso#14296).
    • smbd: avoid calling vfs_file_id_from_sbuf() if statinfo is not valid;
      (bso#14237).
    • Missing check for DMAPI offline status in async DOS attributes;
      (bso#14293).
    • smbd: Ignore set NTACL requests which contain S-1-5-88 NFS ACEs;
      (bso#14307).
    • vfs_recycle: Prevent flooding the log if we’re called on non-existant
      paths; (bso#14316)
    • smbd mistakenly updates a file’s write-time on close; (bso#14320).
    • RPC handles cannot be differentiated in source3 RPC server;
      (bso#14359).
    • librpc: Fix IDL for svcctl_ChangeServiceConfigW; (bso#14313).
    • nsswitch: Fix use-after-free causing segfault in _pam_delete_cred;
      (bso#14327).
    • Fix fruit:time machine max size on arm; (bso#13622)
    • CTDB recovery corner cases can cause record resurrection and node
      banning; (bso#14294).
    • ctdb: Fix a memleak; (bso#14348).
    • libsmb: Don’t try to find posix stat info in SMBC_getatr().
    • ctdb-tcp: Move free of inbound queue to TCP restart; (bso#14295);
      (bsc#1162680).
    • s3/librpc/crypto: Fix double free with unresolved credential cache;
      (bso#14344); (bsc#1169095)
    • s3:libads: Fix ads_get_upn(); (bso#14336).
    • CTDB recovery corner cases can cause record resurrection and node
      banning; (bso#14294)
    • Starting ctdb node that was powered off hard before results in
      recovery loop; (bso#14295); (bsc#1162680).
    • ctdb-recoverd: Avoid dereferencing NULL rec->nodemap; (bso#14324)
  • Update to samba 4.11.8

    • CVE-2020-10700: Use-after-free in Samba AD DC LDAP Server with ASQ;
      (bso#14331); (bsc#1169850);
    • CVE-2020-10704: LDAP Denial of Service (stack overflow) in Samba AD
      DC; (bso#14334); (bsc#1169851);
  • Update to samba 4.11.7

    • s3: lib: nmblib. Clean up and harden nmb packet processing;
      (bso#14239).
    • s3: VFS: full_audit. Use system session_info if called from a
      temporary share definition; (bso#14283)
    • dsdb: Correctly handle memory in objectclass_attrs; (bso#14258).
    • ldb: version 2.0.9, Samba 4.11 and later give incorrect results for
      SCOPE_ONE searches; (bso#14270)
    • auth: Fix CIDs 1458418 and 1458420 Null pointer dereferences;
      (bso#14247).
    • smbd: Handle EINTR from open(2) properly; (bso#14285)
    • winbind member (source3) fails local SAM auth with empty domain name;
      (bso#14247)
    • winbindd: Handling missing idmap in getgrgid(); (bso#14265).
    • lib:util: Log mkdir error on correct debug levels; (bso#14253).
    • wafsamba: Do not use ‘rU’ as the ‘U’ is deprecated in Python 3.9;
      (bso#14266).
    • ctdb-tcp: Make error handling for outbound connection consistent;
      (bso#14274).
  • Update to samba 4.11.6

    • pygpo: Use correct method flags; (bso#14209).
    • vfs_ceph_snapshots: Fix root relative path handling; (bso#14216);
      (bsc#1141320).
    • Avoiding bad call flags with python 3.8, using METH_NOARGS instead of
      zero; (bso#14209).
    • source4/utils/oLschema2ldif: Include stdint.h before cmocka.h;
      (bso#14218).
    • docs-xml/winbindnssinfo: Clarify interaction with idmap_ad etc;
      (bso#14122).
    • smbd: Fix the build with clang; (bso#14251).
    • upgradedns: Ensure lmdb lock files linked; (bso#14199).
    • s3: VFS: glusterfs: Reset nlinks for symlink entries during readdir;
      (bso#14182).
    • smbc_stat() doesn’t return the correct st_mode and also the uid/gid is
      not filled (SMBv1) file; (bso#14101).
    • librpc: Fix string length checking in ndr_pull_charset_to_null();
      (bso#14219).
    • ctdb-scripts: Strip square brackets when gathering connection info;
      (bso#14227).
  • Add libnetapi-devel to baselibs conf, for wine usage; (bsc#1172307);

  • Installing: samba - samba-ad-dc.service does not exist and unit not
    found; (bsc#1171437);

  • Fix samba_winbind package is installing python3-base without python3
    package; (bsc#1169521);

Changes in ldb:

  • Update to version 2.0.12
    • CVE-2020-10730: NULL de-reference in AD DC LDAP server when ASQ and
      VLV combined; (bso#14364); (bsc#1173159).
    • ldb_ldap: fix off-by-one increment in lldb_add_msg_attr; (bso#14413).
    • lib/ldb: add unit test for ldb_ldap internal code.
  • Update to version 2.0.11
    • lib ldb: lmdb init var before calling mdb_reader_check.
    • lib ldb: lmdb clear stale readers on write txn start; (bso#14330).
    • ldb tests: Confirm lmdb free list handling

This update was imported from the SUSE:SLE-15-SP2:Update update project.

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or “zypper patch”.

Alternatively you can run the command listed for your product:

  • openSUSE Leap 15.2:

    zypper in -t patch openSUSE-2020-1023=1

OSVersionArchitecturePackageVersionFilename
openSUSE Leap15.2i586< - openSUSE Leap 15.2 (i586 x86_64):- openSUSE Leap 15.2 (i586 x86_64):.i586.rpm
openSUSE Leap15.2x86_64< - openSUSE Leap 15.2 (i586 x86_64):- openSUSE Leap 15.2 (i586 x86_64):.x86_64.rpm
openSUSE Leap15.2x86_64< - openSUSE Leap 15.2 (x86_64):- openSUSE Leap 15.2 (x86_64):.x86_64.rpm
openSUSE Leap15.2noarch< - openSUSE Leap 15.2 (noarch):- openSUSE Leap 15.2 (noarch):.noarch.rpm

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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