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SUSE: CVE-2020-27840: SUSE Linux Security Advisory

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SUSE: CVE-2020-27840: SUSE Linux Security Advisory

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
03/24/2021
Created
03/27/2021
Added
03/25/2021
Modified
02/02/2022

Description

A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.

Solution(s)

  • suse-upgrade-apache2-mod_apparmor
  • suse-upgrade-apparmor-abstractions
  • suse-upgrade-apparmor-docs
  • suse-upgrade-apparmor-parser
  • suse-upgrade-apparmor-parser-lang
  • suse-upgrade-apparmor-profiles
  • suse-upgrade-apparmor-utils
  • suse-upgrade-apparmor-utils-lang
  • suse-upgrade-ctdb
  • suse-upgrade-ctdb-pcp-pmda
  • suse-upgrade-ctdb-tests
  • suse-upgrade-krb5
  • suse-upgrade-krb5-32bit
  • suse-upgrade-krb5-client
  • suse-upgrade-krb5-devel
  • suse-upgrade-krb5-devel-32bit
  • suse-upgrade-krb5-mini
  • suse-upgrade-krb5-mini-devel
  • suse-upgrade-krb5-plugin-kdb-ldap
  • suse-upgrade-krb5-plugin-preauth-otp
  • suse-upgrade-krb5-plugin-preauth-pkinit
  • suse-upgrade-krb5-plugin-preauth-spake
  • suse-upgrade-krb5-server
  • suse-upgrade-ldb-tools
  • suse-upgrade-libapparmor-devel
  • suse-upgrade-libapparmor1
  • suse-upgrade-libapparmor1-32bit
  • suse-upgrade-libdcerpc-binding0
  • suse-upgrade-libdcerpc-binding0-32bit
  • suse-upgrade-libdcerpc-devel
  • suse-upgrade-libdcerpc-samr-devel
  • suse-upgrade-libdcerpc-samr0
  • suse-upgrade-libdcerpc-samr0-32bit
  • suse-upgrade-libdcerpc0
  • suse-upgrade-libdcerpc0-32bit
  • suse-upgrade-libipa_hbac-devel
  • suse-upgrade-libipa_hbac0
  • suse-upgrade-libldb-devel
  • suse-upgrade-libldb1
  • suse-upgrade-libldb1-32bit
  • suse-upgrade-libldb2
  • suse-upgrade-libldb2-32bit
  • suse-upgrade-libndr-devel
  • suse-upgrade-libndr-krb5pac-devel
  • suse-upgrade-libndr-krb5pac0
  • suse-upgrade-libndr-krb5pac0-32bit
  • suse-upgrade-libndr-nbt-devel
  • suse-upgrade-libndr-nbt0
  • suse-upgrade-libndr-nbt0-32bit
  • suse-upgrade-libndr-standard-devel
  • suse-upgrade-libndr-standard0
  • suse-upgrade-libndr-standard0-32bit
  • suse-upgrade-libndr0
  • suse-upgrade-libndr0-32bit
  • suse-upgrade-libndr1
  • suse-upgrade-libndr1-32bit
  • suse-upgrade-libnetapi-devel
  • suse-upgrade-libnetapi-devel-32bit
  • suse-upgrade-libnetapi0
  • suse-upgrade-libnetapi0-32bit
  • suse-upgrade-libnfsidmap-sss
  • suse-upgrade-libsamba-credentials-devel
  • suse-upgrade-libsamba-credentials0
  • suse-upgrade-libsamba-credentials0-32bit
  • suse-upgrade-libsamba-errors-devel
  • suse-upgrade-libsamba-errors0
  • suse-upgrade-libsamba-errors0-32bit
  • suse-upgrade-libsamba-hostconfig-devel
  • suse-upgrade-libsamba-hostconfig0
  • suse-upgrade-libsamba-hostconfig0-32bit
  • suse-upgrade-libsamba-passdb-devel
  • suse-upgrade-libsamba-passdb0
  • suse-upgrade-libsamba-passdb0-32bit
  • suse-upgrade-libsamba-policy-devel
  • suse-upgrade-libsamba-policy-python3-devel
  • suse-upgrade-libsamba-policy0
  • suse-upgrade-libsamba-policy0-python3
  • suse-upgrade-libsamba-policy0-python3-32bit
  • suse-upgrade-libsamba-policy0-python3-64bit
  • suse-upgrade-libsamba-util-devel
  • suse-upgrade-libsamba-util0
  • suse-upgrade-libsamba-util0-32bit
  • suse-upgrade-libsamdb-devel
  • suse-upgrade-libsamdb0
  • suse-upgrade-libsamdb0-32bit
  • suse-upgrade-libsmbclient-devel
  • suse-upgrade-libsmbclient0
  • suse-upgrade-libsmbclient0-32bit
  • suse-upgrade-libsmbconf-devel
  • suse-upgrade-libsmbconf0
  • suse-upgrade-libsmbconf0-32bit
  • suse-upgrade-libsmbldap-devel
  • suse-upgrade-libsmbldap2
  • suse-upgrade-libsmbldap2-32bit
  • suse-upgrade-libsss_certmap-devel
  • suse-upgrade-libsss_certmap0
  • suse-upgrade-libsss_idmap-devel
  • suse-upgrade-libsss_idmap0
  • suse-upgrade-libsss_nss_idmap-devel
  • suse-upgrade-libsss_nss_idmap0
  • suse-upgrade-libsss_simpleifp-devel
  • suse-upgrade-libsss_simpleifp0
  • suse-upgrade-libtalloc-devel
  • suse-upgrade-libtalloc2
  • suse-upgrade-libtalloc2-32bit
  • suse-upgrade-libtdb-devel
  • suse-upgrade-libtdb1
  • suse-upgrade-libtdb1-32bit
  • suse-upgrade-libtevent-devel
  • suse-upgrade-libtevent-util-devel
  • suse-upgrade-libtevent-util0
  • suse-upgrade-libtevent-util0-32bit
  • suse-upgrade-libtevent0
  • suse-upgrade-libtevent0-32bit
  • suse-upgrade-libwbclient-devel
  • suse-upgrade-libwbclient0
  • suse-upgrade-libwbclient0-32bit
  • suse-upgrade-pam_apparmor
  • suse-upgrade-pam_apparmor-32bit
  • suse-upgrade-perl-apparmor
  • suse-upgrade-python-ldb
  • suse-upgrade-python-ldb-devel
  • suse-upgrade-python3-apparmor
  • suse-upgrade-python3-ipa_hbac
  • suse-upgrade-python3-ldb
  • suse-upgrade-python3-ldb-32bit
  • suse-upgrade-python3-ldb-devel
  • suse-upgrade-python3-sss-murmur
  • suse-upgrade-python3-sss_nss_idmap
  • suse-upgrade-python3-sssd-config
  • suse-upgrade-python3-talloc
  • suse-upgrade-python3-talloc-32bit
  • suse-upgrade-python3-talloc-devel
  • suse-upgrade-python3-tdb
  • suse-upgrade-python3-tdb-32bit
  • suse-upgrade-python3-tevent
  • suse-upgrade-python3-tevent-32bit
  • suse-upgrade-ruby-apparmor
  • suse-upgrade-samba
  • suse-upgrade-samba-ad-dc
  • suse-upgrade-samba-ad-dc-32bit
  • suse-upgrade-samba-ad-dc-libs
  • suse-upgrade-samba-ad-dc-libs-32bit
  • suse-upgrade-samba-ceph
  • suse-upgrade-samba-client
  • suse-upgrade-samba-client-32bit
  • suse-upgrade-samba-client-64bit
  • suse-upgrade-samba-client-libs
  • suse-upgrade-samba-client-libs-32bit
  • suse-upgrade-samba-core-devel
  • suse-upgrade-samba-devel
  • suse-upgrade-samba-devel-32bit
  • suse-upgrade-samba-doc
  • suse-upgrade-samba-dsdb-modules
  • suse-upgrade-samba-gpupdate
  • suse-upgrade-samba-ldb-ldap
  • suse-upgrade-samba-libs
  • suse-upgrade-samba-libs-32bit
  • suse-upgrade-samba-libs-64bit
  • suse-upgrade-samba-libs-python
  • suse-upgrade-samba-libs-python3
  • suse-upgrade-samba-libs-python3-32bit
  • suse-upgrade-samba-libs-python3-64bit
  • suse-upgrade-samba-python
  • suse-upgrade-samba-python3
  • suse-upgrade-samba-test
  • suse-upgrade-samba-tool
  • suse-upgrade-samba-winbind
  • suse-upgrade-samba-winbind-32bit
  • suse-upgrade-samba-winbind-libs
  • suse-upgrade-samba-winbind-libs-32bit
  • suse-upgrade-sssd
  • suse-upgrade-sssd-ad
  • suse-upgrade-sssd-common
  • suse-upgrade-sssd-dbus
  • suse-upgrade-sssd-ipa
  • suse-upgrade-sssd-krb5
  • suse-upgrade-sssd-krb5-common
  • suse-upgrade-sssd-ldap
  • suse-upgrade-sssd-proxy
  • suse-upgrade-sssd-tools
  • suse-upgrade-sssd-wbclient
  • suse-upgrade-sssd-wbclient-devel
  • suse-upgrade-sssd-winbind-idmap
  • suse-upgrade-talloc-man
  • suse-upgrade-tdb-tools
  • suse-upgrade-tevent-man

References

  • SUSE-SU-2021:0944-1
  • SUSE-SU-2021:0945-1
  • SUSE-SU-2021:1440-1
  • SUSE-SU-2021:1444-1
  • SUSE-SU-2021:1498-1
  • SUSE-SU-2021:3187-1
  • CVE-2020-27840
  • USN-4888-1
  • USN-4888-2
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