A flaw was found in samba's DNS server. An authenticated user could use this flaw to the RPC server to crash. This RPC server, which also serves protocols other than dnsserver, will be restarted after a short delay, but it is easy for an authenticated non administrative attacker to crash it again as soon as it returns. The Samba DNS server itself will continue to operate, but many RPC services will not.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade samba | Mar 26, 2024 | Dec 2, 2020 |
| Debian | — | Upgrade samba | Nov 24, 2020 | Nov 24, 2020 |
| Freebsd | — | Upgrade samba410Upgrade samba411Upgrade samba413Upgrade samba412 | Nov 1, 2020 | Oct 30, 2020 |
| Gentoo Linux | — | Upgrade net-fs/samba. | Dec 29, 2020 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp2 | — | Upgrade libwbclientUpgrade samba-winbind-clientsUpgrade samba-clientUpgrade samba-common-libsUpgrade samba-client-libsUpgrade samba-common-toolsUpgrade samba-libsUpgrade samba-winbindUpgrade libsmbclientUpgrade samba-pythonUpgrade samba-commonUpgrade sambaUpgrade samba-winbind-modules | Feb 22, 2021 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp3 | — | Upgrade samba-winbind-modulesUpgrade samba-common-libsUpgrade libsmbclientUpgrade samba-common-toolsUpgrade samba-clientUpgrade sambaUpgrade samba-client-libsUpgrade samba-libsUpgrade samba-commonUpgrade samba-winbind-clientsUpgrade samba-pythonUpgrade samba-winbindUpgrade libwbclient | Jan 20, 2021 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp5 | — | Upgrade libwbclientUpgrade samba-winbind-modulesUpgrade samba-commonUpgrade samba-pythonUpgrade sambaUpgrade samba-winbindUpgrade libsmbclientUpgrade samba-common-toolsUpgrade samba-winbind-clientsUpgrade samba-client-libsUpgrade samba-libsUpgrade samba-clientUpgrade samba-common-libs | Mar 24, 2021 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade sambaUpgrade samba-winbind-clientsUpgrade samba-test-libsUpgrade samba-winbindUpgrade python3-samba-testUpgrade samba-common-libsUpgrade samba-commonUpgrade samba-pidlUpgrade samba-testUpgrade ctdbUpgrade samba-dc-libsUpgrade python2-samba-testUpgrade samba-winbind-modulesUpgrade samba-winbind-krb5-locatorUpgrade samba-krb5-printingUpgrade samba-clientUpgrade libwbclientUpgrade ctdb-testsUpgrade python2-sambaUpgrade libsmbclientUpgrade python3-sambaUpgrade samba-client-libsUpgrade samba-common-toolsUpgrade samba-libs | Feb 2, 2021 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp9 | — | Upgrade samba-commonUpgrade samba-winbind-clientsUpgrade samba-clientUpgrade samba-common-toolsUpgrade libwbclientUpgrade samba-winbindUpgrade samba-winbind-modulesUpgrade samba-libsUpgrade libsmbclientUpgrade samba | Jan 5, 2021 | Dec 2, 2020 |
| Samba | — | Upgrade to Samba 4.11.15 or later.Upgrade to Samba 4.12.9 or later.Upgrade to Samba 4.13.1 or later. | Dec 2, 2020 | Dec 2, 2020 |
| Suse | — | Upgrade libsmbldap2-32bitUpgrade libnetapi0-32bitUpgrade samba-libs-python3Upgrade libdcerpc-samr0-32bitUpgrade libndr-krb5pac0Upgrade samba-libs-python3-32bitUpgrade libndr1-32bitUpgrade samba-ad-dc-32bitUpgrade samba-libs-32bitUpgrade libsamba-util0Upgrade libdcerpc-binding0Upgrade libwbclient0-32bitUpgrade libdcerpc0-32bitUpgrade libsamba-policy-develUpgrade ctdbUpgrade libtevent-util0-32bitUpgrade samba-ad-dcUpgrade libsamba-credentials-develUpgrade libsamba-passdb0-32bitUpgrade libndr-krb5pac-develUpgrade samba-python3Upgrade libnetapi-devel-32bitUpgrade libsmbconf-develUpgrade libwbclient-develUpgrade libsamdb0Upgrade libsamba-errors0Upgrade samba-winbind-32bitUpgrade libndr-nbt0Upgrade sambaUpgrade libsamba-errors-develUpgrade libsamba-policy-python3-develUpgrade ctdb-testsUpgrade libdcerpc-samr-develUpgrade libnetapi0Upgrade libsmbldap0Upgrade libsamba-hostconfig0-32bitUpgrade samba-pythonUpgrade libndr-develUpgrade libsamba-credentials0-32bitUpgrade libtevent-util0Upgrade libnetapi-develUpgrade samba-clientUpgrade libsamba-errors0-32bitUpgrade samba-docUpgrade libndr-standard0Upgrade libndr-nbt-develUpgrade libsmbclient0-32bitUpgrade samba-winbindUpgrade libsamba-util-develUpgrade samba-core-develUpgrade ctdb-pcp-pmdaUpgrade libsmbclient0Upgrade libdcerpc-develUpgrade libsmbldap2Upgrade libndr0-32bitUpgrade libndr-nbt0-32bitUpgrade libwbclient0Upgrade libsamba-policy0-python3-32bitUpgrade libsamba-policy0-python3Upgrade libsmbconf0Upgrade libsmbclient-develUpgrade libsmbconf0-32bitUpgrade samba-libsUpgrade libndr-standard-develUpgrade libsamba-credentials0Upgrade libsamba-util0-32bitUpgrade samba-dsdb-modulesUpgrade libndr-standard0-32bitUpgrade samba-pidlUpgrade libsamba-passdb-develUpgrade libsamba-policy-python-develUpgrade samba-libs-python-32bitUpgrade libsamba-hostconfig0Upgrade libsamba-hostconfig-develUpgrade samba-testUpgrade samba-client-32bitUpgrade libndr0Upgrade libsamba-policy0Upgrade libtevent-util-develUpgrade libsamba-policy0-32bitUpgrade libsmbldap-develUpgrade libdcerpc-binding0-32bitUpgrade samba-libs-pythonUpgrade libdcerpc0Upgrade libdcerpc-samr0Upgrade libsmbldap0-32bitUpgrade libsamba-passdb0Upgrade libndr1Upgrade libsamdb0-32bitUpgrade samba-cephUpgrade libsamdb-develUpgrade libndr-krb5pac0-32bit | Oct 31, 2020 | Oct 29, 2020 |
| Ubuntu | — | Upgrade samba (Ubuntu Pro)Upgrade samba | Nov 3, 2020 | Oct 29, 2020 |
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