openSUSE Security Update : samba (openSUSE-2021-636)

medium Nessus Plugin ID 149562

Synopsis

The remote openSUSE host is missing a security update.

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.

Solution

Update the affected samba packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1178469

https://bugzilla.opensuse.org/show_bug.cgi?id=1179156

https://bugzilla.opensuse.org/show_bug.cgi?id=1183572

https://bugzilla.opensuse.org/show_bug.cgi?id=1183574

https://bugzilla.opensuse.org/show_bug.cgi?id=1184310

https://bugzilla.opensuse.org/show_bug.cgi?id=1184677

Plugin Details

Severity: Medium

ID: 149562

File Name: openSUSE-2021-636.nasl

Version: 1.3

Type: local

Agent: unix

Published: 5/18/2021

Updated: 1/26/2022

Supported Sensors: Nessus Agent

Risk Information

CVSS Score Source: CVE-2021-20254

VPR

Risk Factor: Medium

Score: 6

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

Vector: AV:N/AC:M/Au:S/C:P/I:P/A:N

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:ctdb, p-cpe:/a:novell:opensuse:ctdb-debuginfo, p-cpe:/a:novell:opensuse:ctdb-pcp-pmda, p-cpe:/a:novell:opensuse:ctdb-pcp-pmda-debuginfo, p-cpe:/a:novell:opensuse:ctdb-tests, p-cpe:/a:novell:opensuse:ctdb-tests-debuginfo, p-cpe:/a:novell:opensuse:libdcerpc-binding0, p-cpe:/a:novell:opensuse:libdcerpc-binding0-32bit, p-cpe:/a:novell:opensuse:libdcerpc-binding0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libdcerpc-binding0-debuginfo, p-cpe:/a:novell:opensuse:libdcerpc-devel, p-cpe:/a:novell:opensuse:libdcerpc-samr-devel, p-cpe:/a:novell:opensuse:libdcerpc-samr0, p-cpe:/a:novell:opensuse:libdcerpc-samr0-32bit, p-cpe:/a:novell:opensuse:libdcerpc-samr0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libdcerpc-samr0-debuginfo, p-cpe:/a:novell:opensuse:libdcerpc0, p-cpe:/a:novell:opensuse:libdcerpc0-32bit, p-cpe:/a:novell:opensuse:libdcerpc0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libdcerpc0-debuginfo, p-cpe:/a:novell:opensuse:libndr-devel, p-cpe:/a:novell:opensuse:libndr-krb5pac-devel, p-cpe:/a:novell:opensuse:libndr-krb5pac0, p-cpe:/a:novell:opensuse:libndr-krb5pac0-32bit, p-cpe:/a:novell:opensuse:libndr-krb5pac0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libndr-krb5pac0-debuginfo, p-cpe:/a:novell:opensuse:libndr-nbt-devel, p-cpe:/a:novell:opensuse:libndr-nbt0, p-cpe:/a:novell:opensuse:libndr-nbt0-32bit, p-cpe:/a:novell:opensuse:libndr-nbt0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libndr-nbt0-debuginfo, p-cpe:/a:novell:opensuse:libndr-standard-devel, p-cpe:/a:novell:opensuse:libndr-standard0, p-cpe:/a:novell:opensuse:libndr-standard0-32bit, p-cpe:/a:novell:opensuse:libndr-standard0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libndr-standard0-debuginfo, p-cpe:/a:novell:opensuse:libndr0, p-cpe:/a:novell:opensuse:libndr0-32bit, p-cpe:/a:novell:opensuse:libndr0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libndr0-debuginfo, p-cpe:/a:novell:opensuse:libnetapi-devel, p-cpe:/a:novell:opensuse:libnetapi-devel-32bit, p-cpe:/a:novell:opensuse:libnetapi0, p-cpe:/a:novell:opensuse:libnetapi0-32bit, p-cpe:/a:novell:opensuse:libnetapi0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libnetapi0-debuginfo, p-cpe:/a:novell:opensuse:libsamba-credentials-devel, p-cpe:/a:novell:opensuse:libsamba-credentials0, p-cpe:/a:novell:opensuse:libsamba-credentials0-32bit, p-cpe:/a:novell:opensuse:libsamba-credentials0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsamba-credentials0-debuginfo, p-cpe:/a:novell:opensuse:libsamba-errors-devel, p-cpe:/a:novell:opensuse:libsamba-errors0, p-cpe:/a:novell:opensuse:libsamba-errors0-32bit, p-cpe:/a:novell:opensuse:libsamba-errors0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsamba-errors0-debuginfo, p-cpe:/a:novell:opensuse:libsamba-hostconfig-devel, p-cpe:/a:novell:opensuse:libsamba-hostconfig0, p-cpe:/a:novell:opensuse:libsamba-hostconfig0-32bit, p-cpe:/a:novell:opensuse:libsamba-hostconfig0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsamba-hostconfig0-debuginfo, p-cpe:/a:novell:opensuse:libsamba-passdb-devel, p-cpe:/a:novell:opensuse:libsamba-passdb0, p-cpe:/a:novell:opensuse:libsamba-passdb0-32bit, p-cpe:/a:novell:opensuse:libsamba-passdb0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsamba-passdb0-debuginfo, p-cpe:/a:novell:opensuse:libsamba-policy-devel, p-cpe:/a:novell:opensuse:libsamba-policy-python3-devel, p-cpe:/a:novell:opensuse:libsamba-policy0-python3, p-cpe:/a:novell:opensuse:libsamba-policy0-python3-32bit, p-cpe:/a:novell:opensuse:libsamba-policy0-python3-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsamba-policy0-python3-debuginfo, p-cpe:/a:novell:opensuse:libsamba-util-devel, p-cpe:/a:novell:opensuse:libsamba-util0, p-cpe:/a:novell:opensuse:libsamba-util0-32bit, p-cpe:/a:novell:opensuse:libsamba-util0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsamba-util0-debuginfo, p-cpe:/a:novell:opensuse:libsamdb-devel, p-cpe:/a:novell:opensuse:libsamdb0, p-cpe:/a:novell:opensuse:libsamdb0-32bit, p-cpe:/a:novell:opensuse:libsamdb0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsamdb0-debuginfo, p-cpe:/a:novell:opensuse:libsmbclient-devel, p-cpe:/a:novell:opensuse:libsmbclient0, p-cpe:/a:novell:opensuse:libsmbclient0-32bit, p-cpe:/a:novell:opensuse:libsmbclient0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsmbclient0-debuginfo, p-cpe:/a:novell:opensuse:libsmbconf-devel, p-cpe:/a:novell:opensuse:libsmbconf0, p-cpe:/a:novell:opensuse:libsmbconf0-32bit, p-cpe:/a:novell:opensuse:libsmbconf0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsmbconf0-debuginfo, p-cpe:/a:novell:opensuse:libsmbldap-devel, p-cpe:/a:novell:opensuse:libsmbldap2, p-cpe:/a:novell:opensuse:libsmbldap2-32bit, p-cpe:/a:novell:opensuse:libsmbldap2-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsmbldap2-debuginfo, p-cpe:/a:novell:opensuse:libtevent-util-devel, p-cpe:/a:novell:opensuse:libtevent-util0, p-cpe:/a:novell:opensuse:libtevent-util0-32bit, p-cpe:/a:novell:opensuse:libtevent-util0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libtevent-util0-debuginfo, p-cpe:/a:novell:opensuse:libwbclient-devel, p-cpe:/a:novell:opensuse:libwbclient0, p-cpe:/a:novell:opensuse:libwbclient0-32bit, p-cpe:/a:novell:opensuse:libwbclient0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libwbclient0-debuginfo, p-cpe:/a:novell:opensuse:samba, p-cpe:/a:novell:opensuse:samba-ad-dc, p-cpe:/a:novell:opensuse:samba-ad-dc-32bit, p-cpe:/a:novell:opensuse:samba-ad-dc-32bit-debuginfo, p-cpe:/a:novell:opensuse:samba-ad-dc-debuginfo, p-cpe:/a:novell:opensuse:samba-ceph, p-cpe:/a:novell:opensuse:samba-ceph-debuginfo, p-cpe:/a:novell:opensuse:samba-client, p-cpe:/a:novell:opensuse:samba-client-32bit, p-cpe:/a:novell:opensuse:samba-client-32bit-debuginfo, p-cpe:/a:novell:opensuse:samba-client-debuginfo, p-cpe:/a:novell:opensuse:samba-core-devel, p-cpe:/a:novell:opensuse:samba-debuginfo, p-cpe:/a:novell:opensuse:samba-debugsource, p-cpe:/a:novell:opensuse:samba-dsdb-modules, p-cpe:/a:novell:opensuse:samba-dsdb-modules-debuginfo, p-cpe:/a:novell:opensuse:samba-libs, p-cpe:/a:novell:opensuse:samba-libs-32bit, p-cpe:/a:novell:opensuse:samba-libs-32bit-debuginfo, p-cpe:/a:novell:opensuse:samba-libs-debuginfo, p-cpe:/a:novell:opensuse:samba-libs-python3, p-cpe:/a:novell:opensuse:samba-libs-python3-32bit, p-cpe:/a:novell:opensuse:samba-libs-python3-32bit-debuginfo, p-cpe:/a:novell:opensuse:samba-libs-python3-debuginfo, p-cpe:/a:novell:opensuse:samba-python3, p-cpe:/a:novell:opensuse:samba-python3-debuginfo, p-cpe:/a:novell:opensuse:samba-test, p-cpe:/a:novell:opensuse:samba-test-debuginfo, p-cpe:/a:novell:opensuse:samba-winbind, p-cpe:/a:novell:opensuse:samba-winbind-32bit, p-cpe:/a:novell:opensuse:samba-winbind-32bit-debuginfo, p-cpe:/a:novell:opensuse:samba-winbind-debuginfo, cpe:/o:novell:opensuse:15.2

Required KB Items: Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 4/30/2021

Vulnerability Publication Date: 5/5/2021

Reference Information

CVE: CVE-2020-27840, CVE-2021-20254, CVE-2021-20277