Package "libwbclient0"

  samba (2:4.7.6+dfsg~ubuntu-0ubuntu2.28) bionic-security; urgency=medium

  * SECURITY UPDATE: code exec via out-of-bounds read/write in vfs_fruit
    - debian/patches/CVE-2021-44142-1.patch: add defines for icon lengths
      in source3/modules/vfs_fruit.c.
    - debian/patches/CVE-2021-44142-2.patch: add Netatalk xattr used by
      vfs_fruit to the list of private Samba xattrs in
      source3/smbd/trans2.c.
    - debian/patches/CVE-2021-44142-3.patch: harden ad_unpack_xattrs() in
      source3/modules/vfs_fruit.c.
    - debian/patches/CVE-2021-44142-4.patch: tweak buffer size check in
      source3/modules/vfs_fruit.c.
    - debian/patches/CVE-2021-44142-5.patch: add basic cmocka tests in
      selftest/knownfail.d/samba.unittests.adouble, selftest/tests.py,
      source3/lib/test_adouble.c, source3/wscript_build.
    - debian/patches/CVE-2021-44142-6.patch: harden parsing code in
      source3/modules/vfs_fruit.c.
    - CVE-2021-44142

 -- Marc Deslauriers <email address hidden> Tue, 25 Jan 2022 10:20:03 -0500

  samba (2:4.7.6+dfsg~ubuntu-0ubuntu2.27) bionic-security; urgency=medium

  * SECURITY REGRESSION: Kerberos authentication on standalone server in
    MIT realm broken
    - debian/patches/bug14922.patch: fix MIT Realm regression in
      source3/auth/user_krb5.c.

 -- Marc Deslauriers <email address hidden> Mon, 13 Dec 2021 07:12:56 -0500

  samba (2:4.7.6+dfsg~ubuntu-0ubuntu2.26) bionic-security; urgency=medium

  * SECURITY UPDATE: SMB1 client connections can be downgraded to plaintext
    authentication
    - debian/patches/CVE-2016-2124-*.patch: upstream commits to fix issue.
    - CVE-2016-2124
  * SECURITY UPDATE: user in AD Domain could become root on domain members
    - debian/patches/CVE-2020-25717-*.patch: upstream commits to fix issue.
    - debian/patches/bug14901-*.patch: upstream commits to fix regression.
    - CVE-2020-25717
  * SECURITY UPDATE: insufficient access and conformance checking of data
    stored
    - debian/patches/CVE-2020-25722-1.patch: restrict the setting of
      privileged attributes during LDAP add/modify in
      source4/dsdb/samdb/ldb_modules/samldb.c.
    - debian/patches/CVE-2020-25722-2.patch: ensure the structural
      objectclass cannot be changed in
      source4/dsdb/samdb/ldb_modules/objectclass.c.
    - CVE-2020-25722
  * SECURITY UPDATE: null pointer deref in kerberos server
    - debian/patches/CVE-2021-3671.patch: validate sname in TGS-REQ in
      source4/heimdal/kdc/krb5tgs.c.
    - CVE-2021-3671

 -- Marc Deslauriers <email address hidden> Thu, 02 Dec 2021 08:23:22 -0500

  samba (2:4.7.6+dfsg~ubuntu-0ubuntu2.23) bionic-security; urgency=medium

  * SECURITY UPDATE: wrong group entries via negative idmap cache entries
    - debian/patches/CVE-2021-20254.patch: Simplify sids_to_unixids() in
      source3/passdb/lookup_sid.c.
    - CVE-2021-20254

 -- Marc Deslauriers <email address hidden> Wed, 14 Apr 2021 08:52:57 -0400

  samba (2:4.7.6+dfsg~ubuntu-0ubuntu2.21) bionic-security; urgency=medium

  * SECURITY UPDATE: Missing handle permissions check in ChangeNotify
    - debian/patches/CVE-2020-14318-*.patch: ensure change notifies can't
      get set unless the directory handle is open for SEC_DIR_LIST in
      source4/torture/smb2/notify.c, source3/smbd/notify.c.
    - CVE-2020-14318
  * SECURITY UPDATE: Unprivileged user can crash winbind
    - debian/patches/CVE-2020-14323-*.patch: fix invalid lookupsids DoS in
      source3/winbindd/winbindd_lookupsids.c,
      source4/torture/winbind/struct_based.c.
    - CVE-2020-14323
  * SECURITY UPDATE: DNS server crash via invalid records
    - debian/patches/CVE-2020-14383-*.patch: ensure variable initialization
      with NULL and do not crash when additional data not found in
      source4/rpc_server/dnsserver/dcerpc_dnsserver.c.
    - CVE-2020-14383

 -- Marc Deslauriers <email address hidden> Fri, 16 Oct 2020 06:50:50 -0400