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AUSCERT External Security Bulletin Redistribution
ESB-2021.1476
Security update for ldb, samba
30 April 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: ldb
samba
Publisher: SUSE
Operating System: SUSE
Impact/Access: Denial of Service -- Remote/Unauthenticated
Unauthorised Access -- Existing Account
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-20277 CVE-2021-20254 CVE-2020-27840
Reference: ESB-2021.1137
ESB-2021.1027
ESB-2021.1022
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20211440-1
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SUSE Security Update: Security update for ldb, samba
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:1440-1
Rating: important
References: #1182830 #1183572 #1183574 #1184677 #14571
Cross-References: CVE-2020-27840 CVE-2021-20254 CVE-2021-20277
Affected Products:
SUSE Enterprise Storage 7
______________________________________________________________________________
An update that solves three vulnerabilities and has two fixes is now available.
Description:
This update for ldb, samba fixes the following issues:
o ldb was updated to 2.2.1 - CVE-2021-20277: Fixed an out of bounds read in
ldb_handler_fold (bsc#1183574). - CVE-2021-20254: Fixed a buffer overrun in
sids_to_unixids() (bsc#1184677). - CVE-2020-27840: Fixed an unauthenticated
remote heap corruption via bad DNs (bsc#1183572).
o samba was updated to 4.13.6 - CVE-2021-20277: Fixed an out of bounds read
in ldb_handler_fold (bsc#1183574). - CVE-2021-20254: Fixed a buffer overrun
in sids_to_unixids() (bsc#1184677). - CVE-2020-27840: Fixed an
unauthenticated remote heap corruption via bad DNs (bsc#1183572). - Spec
file fixes around systemd and requires; (bsc#1182830);
Patch Instructions:
To install this SUSE 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:
o SUSE Enterprise Storage 7:
zypper in -t patch SUSE-Storage-7-2021-1440=1
Package List:
o SUSE Enterprise Storage 7 (aarch64 x86_64):
ctdb-4.13.6+git.211.555d60b24ba-3.9.1
ctdb-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
ldb-debugsource-2.2.1-4.3.1
libdcerpc-binding0-4.13.6+git.211.555d60b24ba-3.9.1
libdcerpc-binding0-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libdcerpc0-4.13.6+git.211.555d60b24ba-3.9.1
libdcerpc0-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libldb2-2.2.1-4.3.1
libldb2-debuginfo-2.2.1-4.3.1
libndr-krb5pac0-4.13.6+git.211.555d60b24ba-3.9.1
libndr-krb5pac0-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libndr-nbt0-4.13.6+git.211.555d60b24ba-3.9.1
libndr-nbt0-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libndr-standard0-4.13.6+git.211.555d60b24ba-3.9.1
libndr-standard0-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libndr1-4.13.6+git.211.555d60b24ba-3.9.1
libndr1-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libnetapi0-4.13.6+git.211.555d60b24ba-3.9.1
libnetapi0-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libsamba-credentials0-4.13.6+git.211.555d60b24ba-3.9.1
libsamba-credentials0-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libsamba-errors0-4.13.6+git.211.555d60b24ba-3.9.1
libsamba-errors0-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libsamba-hostconfig0-4.13.6+git.211.555d60b24ba-3.9.1
libsamba-hostconfig0-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libsamba-passdb0-4.13.6+git.211.555d60b24ba-3.9.1
libsamba-passdb0-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libsamba-util0-4.13.6+git.211.555d60b24ba-3.9.1
libsamba-util0-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libsamdb0-4.13.6+git.211.555d60b24ba-3.9.1
libsamdb0-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libsmbclient0-4.13.6+git.211.555d60b24ba-3.9.1
libsmbclient0-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libsmbconf0-4.13.6+git.211.555d60b24ba-3.9.1
libsmbconf0-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libsmbldap2-4.13.6+git.211.555d60b24ba-3.9.1
libsmbldap2-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libtevent-util0-4.13.6+git.211.555d60b24ba-3.9.1
libtevent-util0-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
libwbclient0-4.13.6+git.211.555d60b24ba-3.9.1
libwbclient0-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
python3-ldb-2.2.1-4.3.1
python3-ldb-debuginfo-2.2.1-4.3.1
samba-4.13.6+git.211.555d60b24ba-3.9.1
samba-ceph-4.13.6+git.211.555d60b24ba-3.9.1
samba-ceph-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
samba-client-4.13.6+git.211.555d60b24ba-3.9.1
samba-client-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
samba-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
samba-debugsource-4.13.6+git.211.555d60b24ba-3.9.1
samba-libs-4.13.6+git.211.555d60b24ba-3.9.1
samba-libs-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
samba-libs-python3-4.13.6+git.211.555d60b24ba-3.9.1
samba-libs-python3-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
samba-winbind-4.13.6+git.211.555d60b24ba-3.9.1
samba-winbind-debuginfo-4.13.6+git.211.555d60b24ba-3.9.1
References:
o https://www.suse.com/security/cve/CVE-2020-27840.html
o https://www.suse.com/security/cve/CVE-2021-20254.html
o https://www.suse.com/security/cve/CVE-2021-20277.html
o https://bugzilla.suse.com/1182830
o https://bugzilla.suse.com/1183572
o https://bugzilla.suse.com/1183574
o https://bugzilla.suse.com/1184677
o https://bugzilla.suse.com/14571
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The University of Queensland
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