openSUSE Leap 15.2: 2021:0636-1 Important Samba DoS Risk Advisory
opensuse
April 30, 2021
An update that solves three vulnerabilities and has three fixes is now available
Description
This update for samba fixes the following issues:
- 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).
- Avoid free'ing our own pointer in memcache when memcache_trim attempts
to reduce cache size (bsc#1179156).
- s3-libads: use dns name to open a ldap session (bsc#1184310).
- Adjust smbcacls '--propagate-inheritance' feature to align with upstream
(bsc#1178469).
This update was imported from the SUSE:SLE-15-SP2:Update update project.
Patch
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-2021-636=1
Package List
- openSUSE Leap 15.2 (i586 x86_64):
ctdb-4.11.14+git.247.8c858f7ee14-lp152.3.19.1
ctdb-debuginfo-4.11.14+git.247.8c858f7ee14-lp152.3.19.1
ctdb-pcp-pmda-4.11.14+git.247.8c858f7ee14-lp152.3.19.1
ctdb-pcp-pmda-debuginfo-4.11.14+git.247.8c858f7ee14-lp152.3.19.1
ctdb-tests-4.11.14+git.247.8c858f7ee14-lp152.3.19.1
ctdb-tests-debuginfo-4.11.14+git.247.8c858f7ee14-lp152.3.19.1
libdcerpc-binding0-4.11.14+git.247.8c858f7ee14-lp152.3.19.1
libdcerpc-binding0-debuginfo-4.11.14+git.247.8c858f7ee14-lp152.3.19.1
libdcerpc-devel-4.11.14+git.247.8c858f7ee14-lp152.3.19.1
libdcerpc-samr-devel-4.11.14+git.247.8c858f7ee14-lp152.3.19.1
libdcerpc-samr0-4.11.14+git.247.8c858f7ee14-lp152.3.19.1
libdcerpc-samr0-debuginfo-4.11.14+git.247.8c858f7ee14-lp152.3.19.1
libdcerpc0-4.11.14+git.247.8c858f7ee14-lp152.3.19.1
libdcerpc0-debuginfo-4.11.14+git.247.8c858f7ee14-lp152.3.19.1
libndr-devel-4.11.14+git.247.8c858f7ee14-lp152.3.19.1
libndr-krb5pac-devel-4.11.14+git.247.8c858f7ee14-lp152.3.19.1
libndr-krb5pac0-4.11.14+git.247.8c858f7ee1...
Read the Full AdvisoryReferences
https://www.suse.com/security/cve/CVE-2020-27840.html
https://www.suse.com/security/cve/CVE-2021-20254.html
https://www.suse.com/security/cve/CVE-2021-20277.html
https://bugzilla.suse.com/1178469
https://bugzilla.suse.com/1179156
https://bugzilla.suse.com/1183572
https://bugzilla.suse.com/1183574
https://bugzilla.suse.com/1184310
https://bugzilla.suse.com/1184677
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Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: openSUSE-SU-2021:0636-1
Rating: important
Affected Products:
openSUSE Leap 15.2
ble.
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