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 samba410Upgrade samba411Upgrade 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-common-toolsUpgrade samba-winbind-clientsUpgrade samba-clientUpgrade libsmbclientUpgrade samba-commonUpgrade samba-winbind-modulesUpgrade samba-common-libsUpgrade samba-client-libsUpgrade samba-winbindUpgrade sambaUpgrade samba-pythonUpgrade samba-libsUpgrade libwbclient | Nov 2, 2020 | Jul 7, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade samba-krb5-printingUpgrade samba-common-toolsUpgrade samba-clientUpgrade samba-winbind-krb5-locatorUpgrade samba-dc-libsUpgrade samba-testUpgrade samba-client-libsUpgrade samba-test-libsUpgrade libwbclientUpgrade python2-samba-testUpgrade samba-commonUpgrade python3-samba-testUpgrade python3-sambaUpgrade libsmbclientUpgrade samba-winbind-clientsUpgrade samba-libsUpgrade samba-winbindUpgrade samba-common-libsUpgrade sambaUpgrade ctdbUpgrade python2-sambaUpgrade ctdb-testsUpgrade samba-pidlUpgrade samba-winbind-modules | 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 libtdb1-32bitUpgrade samba-core-develUpgrade python3-ldb-develUpgrade ldb-toolsUpgrade python-ldbUpgrade samba-pidlUpgrade libsamdb0Upgrade libsamba-hostconfig-develUpgrade samba-python3Upgrade libsamba-util0Upgrade libldb-develUpgrade libldb2-32bitUpgrade libnetapi-develUpgrade libdcerpc-samr0Upgrade samba-client-32bitUpgrade samba-libs-python3-32bitUpgrade libwbclient0-32bitUpgrade libsamba-hostconfig0-32bitUpgrade libsmbconf-develUpgrade libldb1Upgrade libsamba-errors0-32bitUpgrade ctdb-pcp-pmdaUpgrade libwbclient-develUpgrade python3-ldbUpgrade libsmbldap0Upgrade libdcerpc0Upgrade samba-cephUpgrade libdcerpc-binding0-32bitUpgrade libndr0Upgrade libndr-develUpgrade libndr1-32bitUpgrade libsamba-credentials0-32bitUpgrade libsamba-errors0Upgrade libndr-krb5pac-develUpgrade ctdbUpgrade libsamba-passdb0Upgrade libsamdb0-32bitUpgrade libsamdb-develUpgrade libsamba-errors-develUpgrade libsmbldap-develUpgrade samba-testUpgrade libsamba-passdb-develUpgrade samba-32bitUpgrade python3-ldb-32bitUpgrade libndr1Upgrade ctdb-testsUpgrade libsamba-policy0-32bitUpgrade python-ldb-develUpgrade libtevent-util0-32bitUpgrade samba-krb-printingUpgrade libnetapi-devel-32bitUpgrade libsmbclient0Upgrade libndr-standard-develUpgrade libndr-nbt0-32bitUpgrade libndr-standard0Upgrade libndr-krb5pac0Upgrade libsmbconf0Upgrade libsmbconf0-32bitUpgrade libsmbldap2Upgrade samba-ad-dcUpgrade libsamba-passdb0-32bitUpgrade libndr0-32bitUpgrade libtalloc2Upgrade libsamba-policy-develUpgrade samba-pythonUpgrade libtevent-util-develUpgrade libsamba-policy-python3-develUpgrade libndr-nbt0Upgrade libsmbldap2-32bitUpgrade libldb1-32bitUpgrade libsamba-util0-32bitUpgrade libsamba-policy0Upgrade libndr-nbt-develUpgrade libsmbldap0-32bitUpgrade libnetapi0Upgrade samba-libs-pythonUpgrade libdcerpc-develUpgrade libsamba-credentials0Upgrade samba-libs-32bitUpgrade libsamba-hostconfig0Upgrade samba-libs-python3Upgrade libsmbclient0-32bitUpgrade libsamba-policy0-python3-32bitUpgrade libtalloc2-32bitUpgrade samba-winbindUpgrade libdcerpc-binding0Upgrade libdcerpc-samr-develUpgrade libsamba-policy0-python3Upgrade samba-docUpgrade libsamba-policy-python-develUpgrade libwbclient0Upgrade libsamba-util-develUpgrade libdcerpc0-32bitUpgrade libndr-standard0-32bitUpgrade libndr-krb5pac0-32bitUpgrade samba-libsUpgrade samba-ad-dc-32bitUpgrade ldapsmbUpgrade samba-dsdb-modulesUpgrade libtevent0-32bitUpgrade libdcerpc-samr0-32bitUpgrade libsmbclient-develUpgrade libtevent-util0Upgrade samba-winbind-32bitUpgrade libtdb1Upgrade samba-libs-python-32bitUpgrade libtevent0Upgrade libnetapi0-32bitUpgrade libldb2Upgrade libsamba-credentials-develUpgrade samba-clientUpgrade samba | Jul 18, 2020 | Jul 2, 2020 |
| Ubuntu | — | Upgrade samba (Ubuntu Pro)Upgrade samba | Aug 5, 2020 | Jul 2, 2020 |
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