Rapid7 Vulnerability & Exploit Database

SUSE: CVE-2021-20254: SUSE Linux Security Advisory

Back to Search

SUSE: CVE-2021-20254: SUSE Linux Security Advisory

Severity
5
CVSS
(AV:N/AC:M/Au:S/C:P/I:P/A:N)
Published
04/29/2021
Created
05/04/2021
Added
04/30/2021
Modified
02/11/2022

Description

A flaw was found in samba. The Samba smbd file server must map Windows group identities (SIDs) into unix group ids (gids). The code that performs this had a flaw that could allow it to read data beyond the end of the array in the case where a negative cache entry had been added to the mapping cache. This could cause the calling code to return those values into the process token that stores the group membership for a user. The highest threat from this vulnerability is to data confidentiality and integrity.

Solution(s)

  • suse-upgrade-ctdb
  • suse-upgrade-ctdb-pcp-pmda
  • suse-upgrade-ctdb-tests
  • suse-upgrade-ldapsmb
  • suse-upgrade-libdcerpc-atsvc0
  • 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-libldb1
  • 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-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-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-libsmbldap0
  • suse-upgrade-libsmbldap0-32bit
  • suse-upgrade-libsmbldap2
  • suse-upgrade-libsmbldap2-32bit
  • suse-upgrade-libtalloc2
  • suse-upgrade-libtalloc2-32bit
  • suse-upgrade-libtdb1
  • suse-upgrade-libtdb1-32bit
  • 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-samba
  • suse-upgrade-samba-32bit
  • suse-upgrade-samba-ad-dc
  • suse-upgrade-samba-ad-dc-32bit
  • suse-upgrade-samba-ceph
  • suse-upgrade-samba-client
  • suse-upgrade-samba-client-32bit
  • suse-upgrade-samba-core-devel
  • suse-upgrade-samba-doc
  • suse-upgrade-samba-dsdb-modules
  • suse-upgrade-samba-krb-printing
  • suse-upgrade-samba-libs
  • suse-upgrade-samba-libs-32bit
  • suse-upgrade-samba-libs-python
  • suse-upgrade-samba-libs-python3
  • suse-upgrade-samba-libs-python3-32bit
  • suse-upgrade-samba-python
  • suse-upgrade-samba-python3
  • suse-upgrade-samba-test
  • suse-upgrade-samba-winbind
  • suse-upgrade-samba-winbind-32bit

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;