A flaw was found in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4 in the way it processed NetBios over TCP/IP. This flaw allows a remote attacker could to cause the Samba server to consume excessive CPU use, resulting in a denial of service. This highest threat from this vulnerability is to system availability.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade samba | Aug 22, 2024 | Jul 7, 2020 |
| Debian | — | Upgrade samba | Nov 24, 2020 | Jul 7, 2020 |
| Freebsd | — | Upgrade samba411Upgrade samba410Upgrade samba412 | Jul 5, 2020 | Jul 2, 2020 |
| Gentoo Linux | — | Upgrade net-fs/samba. | Jul 28, 2020 | Jul 7, 2020 |
| Huawei Euleros 2_0_sp5 | — | Upgrade samba-commonUpgrade samba-clientUpgrade samba-common-libsUpgrade samba-winbind-clientsUpgrade samba-winbind-modulesUpgrade libsmbclientUpgrade samba-common-toolsUpgrade libwbclientUpgrade samba-client-libsUpgrade samba-winbindUpgrade sambaUpgrade samba-libsUpgrade samba-python | Nov 2, 2020 | Jul 7, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade samba-dc-libsUpgrade samba-common-toolsUpgrade samba-test-libsUpgrade samba-krb5-printingUpgrade samba-testUpgrade samba-clientUpgrade samba-winbind-krb5-locatorUpgrade libwbclientUpgrade samba-client-libsUpgrade python2-samba-testUpgrade ctdb-testsUpgrade ctdbUpgrade samba-winbind-modulesUpgrade samba-commonUpgrade libsmbclientUpgrade samba-winbind-clientsUpgrade samba-pidlUpgrade python3-sambaUpgrade python3-samba-testUpgrade samba-libsUpgrade samba-winbindUpgrade samba-common-libsUpgrade sambaUpgrade python2-samba | Jul 31, 2020 | Jul 7, 2020 |
| Samba | — | Upgrade to Samba 4.11.11 or later.Upgrade to Samba 4.12.4 or later.Upgrade to Samba 4.10.17 or later. | Jul 7, 2020 | Jul 7, 2020 |
| Suse | — | Upgrade libndr-nbt0-32bitUpgrade libsamba-passdb0-32bitUpgrade samba-krb-printingUpgrade libsmbconf0Upgrade libsmbconf0-32bitUpgrade libtdb1-32bitUpgrade libsamba-hostconfig-develUpgrade python3-ldb-develUpgrade samba-testUpgrade samba-ad-dcUpgrade samba-cephUpgrade libsamba-errors-develUpgrade python3-ldb-32bitUpgrade python-ldb-develUpgrade libnetapi-develUpgrade samba-32bitUpgrade libnetapi-devel-32bitUpgrade libndr-develUpgrade libndr1Upgrade libsamdb0Upgrade libsmbldap-develUpgrade libsamba-policy0-32bitUpgrade libsamba-passdb-develUpgrade ldb-toolsUpgrade samba-core-develUpgrade libndr0Upgrade python3-ldbUpgrade ctdbUpgrade libndr0-32bitUpgrade libtevent-util0-32bitUpgrade libndr-standard0Upgrade libldb-develUpgrade libsmbclient0Upgrade libsmbldap0Upgrade samba-pidlUpgrade libsmbldap2Upgrade libdcerpc-binding0-32bitUpgrade samba-libs-python3-32bitUpgrade libsamba-hostconfig0-32bitUpgrade ctdb-pcp-pmdaUpgrade libldb1Upgrade libsamba-errors0-32bitUpgrade libsmbconf-develUpgrade libdcerpc-samr0Upgrade libndr1-32bitUpgrade libwbclient0-32bitUpgrade libsamba-credentials0-32bitUpgrade python-ldbUpgrade samba-client-32bitUpgrade libdcerpc0Upgrade libndr-krb5pac-develUpgrade libsamba-util0Upgrade libsamdb0-32bitUpgrade libsamba-errors0Upgrade samba-python3Upgrade libldb2-32bitUpgrade libwbclient-develUpgrade libsamba-passdb0Upgrade ctdb-testsUpgrade libtalloc2Upgrade libndr-standard-develUpgrade libndr-krb5pac0Upgrade libsamdb-develUpgrade libsmbclient0-32bitUpgrade libsamba-policy0-python3-32bitUpgrade libdcerpc-binding0Upgrade samba-winbindUpgrade samba-pythonUpgrade libtalloc2-32bitUpgrade libdcerpc-samr-develUpgrade libndr-krb5pac0-32bitUpgrade samba-libs-32bitUpgrade samba-libsUpgrade samba-ad-dc-32bitUpgrade libndr-standard0-32bitUpgrade libtevent0Upgrade libwbclient0Upgrade libdcerpc0-32bitUpgrade samba-libs-python3Upgrade libnetapi0Upgrade libsamba-util-develUpgrade ldapsmbUpgrade libtevent0-32bitUpgrade libdcerpc-samr0-32bitUpgrade libsamba-credentials-develUpgrade samba-winbind-32bitUpgrade libtdb1Upgrade libldb2Upgrade libnetapi0-32bitUpgrade samba-dsdb-modulesUpgrade libsamba-credentials0Upgrade libsamba-hostconfig0Upgrade samba-clientUpgrade libndr-nbt-develUpgrade libsamba-policy0-python3Upgrade libsamba-policy-python-develUpgrade samba-libs-pythonUpgrade libsamba-policy-python3-develUpgrade samba-libs-python-32bitUpgrade libsamba-policy-develUpgrade sambaUpgrade libsmbldap2-32bitUpgrade libsamba-policy0Upgrade libldb1-32bitUpgrade libdcerpc-develUpgrade libndr-nbt0Upgrade libsmbldap0-32bitUpgrade samba-docUpgrade libtevent-util0Upgrade libsmbclient-develUpgrade libtevent-util-develUpgrade libsamba-util0-32bit | Jul 18, 2020 | Jul 2, 2020 |
| Ubuntu | — | Upgrade samba (Ubuntu Pro)Upgrade samba | Aug 5, 2020 | Jul 2, 2020 |
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