Security update for samba

Announcement ID:	SUSE-SU-2021:14709-1
Rating:	important
References:	bsc#1178469 bsc#1184677
Cross-References:	CVE-2021-20254
CVSS scores:	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
Affected Products:	SUSE Linux Enterprise Point of Service 11 SP3 SUSE Linux Enterprise Server 11 SP4 SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4

An update that solves one vulnerability and has one security fix can now be installed.

Description:

This update for samba fixes the following issues:

• CVE-2021-20254: Fixed a buffer overrun in sids_to_unixids() (bsc#1184677).
• 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:

• SUSE Linux Enterprise Point of Service 11 SP3
  zypper in -t patch sleposp3-samba-14709=1
• SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4
  zypper in -t patch slessp4-samba-14709=1
• SUSE Linux Enterprise Server 11 SP4
  zypper in -t patch slessp4-samba-14709=1

Package List:

• SUSE Linux Enterprise Point of Service 11 SP3 (i586)
  • libtalloc2-3.6.3-94.34.1
  • libldb1-3.6.3-94.34.1
  • libtdb1-3.6.3-94.34.1
  • libtevent0-3.6.3-94.34.1
  • samba-client-3.6.3-94.34.1
  • libwbclient0-3.6.3-94.34.1
  • ldapsmb-1.34b-94.34.1
  • samba-winbind-3.6.3-94.34.1
  • libsmbclient0-3.6.3-94.34.1
  • samba-krb-printing-3.6.3-94.34.1
  • samba-3.6.3-94.34.1
• SUSE Linux Enterprise Point of Service 11 SP3 (noarch)
  • samba-doc-3.6.3-94.34.1
• SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (ppc64 s390x x86_64 i586)
  • libtalloc2-3.6.3-94.34.1
  • libldb1-3.6.3-94.34.1
  • libtdb1-3.6.3-94.34.1
  • libtevent0-3.6.3-94.34.1
  • samba-client-3.6.3-94.34.1
  • libwbclient0-3.6.3-94.34.1
  • ldapsmb-1.34b-94.34.1
  • samba-winbind-3.6.3-94.34.1
  • libsmbclient0-3.6.3-94.34.1
  • samba-krb-printing-3.6.3-94.34.1
  • samba-3.6.3-94.34.1
• SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (noarch)
  • samba-doc-3.6.3-94.34.1
• SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (ppc64 s390x x86_64)
  • samba-32bit-3.6.3-94.34.1
  • libtevent0-32bit-3.6.3-94.34.1
  • libwbclient0-32bit-3.6.3-94.34.1
  • libsmbclient0-32bit-3.6.3-94.34.1
  • samba-winbind-32bit-3.6.3-94.34.1
  • libtdb1-32bit-3.6.3-94.34.1
  • libtalloc2-32bit-3.6.3-94.34.1
  • samba-client-32bit-3.6.3-94.34.1
• SUSE Linux Enterprise Server 11 SP4 (ppc64 s390x x86_64 i586)
  • libtalloc2-3.6.3-94.34.1
  • libldb1-3.6.3-94.34.1
  • libtdb1-3.6.3-94.34.1
  • libtevent0-3.6.3-94.34.1
  • samba-client-3.6.3-94.34.1
  • libwbclient0-3.6.3-94.34.1
  • ldapsmb-1.34b-94.34.1
  • samba-winbind-3.6.3-94.34.1
  • libsmbclient0-3.6.3-94.34.1
  • samba-krb-printing-3.6.3-94.34.1
  • samba-3.6.3-94.34.1
• SUSE Linux Enterprise Server 11 SP4 (noarch)
  • samba-doc-3.6.3-94.34.1
• SUSE Linux Enterprise Server 11 SP4 (ppc64 s390x x86_64)
  • samba-32bit-3.6.3-94.34.1
  • libtevent0-32bit-3.6.3-94.34.1
  • libwbclient0-32bit-3.6.3-94.34.1
  • libsmbclient0-32bit-3.6.3-94.34.1
  • samba-winbind-32bit-3.6.3-94.34.1
  • libtdb1-32bit-3.6.3-94.34.1
  • libtalloc2-32bit-3.6.3-94.34.1
  • samba-client-32bit-3.6.3-94.34.1

References:

• https://www.suse.com/security/cve/CVE-2021-20254.html
• https://bugzilla.suse.com/show_bug.cgi?id=1178469
• https://bugzilla.suse.com/show_bug.cgi?id=1184677