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 samba413Upgrade samba410Upgrade samba411Upgrade 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 samba-clientUpgrade samba-common-toolsUpgrade samba-common-libsUpgrade samba-client-libsUpgrade samba-libsUpgrade samba-winbind-clientsUpgrade libwbclientUpgrade libsmbclientUpgrade samba-pythonUpgrade sambaUpgrade samba-commonUpgrade samba-winbind-modulesUpgrade samba-winbind | Feb 22, 2021 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp3 | — | Upgrade samba-winbindUpgrade samba-clientUpgrade samba-pythonUpgrade samba-commonUpgrade libwbclientUpgrade samba-libsUpgrade samba-client-libsUpgrade samba-winbind-clientsUpgrade samba-common-toolsUpgrade sambaUpgrade samba-winbind-modulesUpgrade libsmbclientUpgrade samba-common-libs | Jan 20, 2021 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp5 | — | Upgrade libwbclientUpgrade samba-winbindUpgrade sambaUpgrade libsmbclientUpgrade samba-winbind-modulesUpgrade samba-pythonUpgrade samba-commonUpgrade samba-libsUpgrade samba-client-libsUpgrade samba-common-toolsUpgrade samba-common-libsUpgrade samba-winbind-clientsUpgrade samba-client | Mar 24, 2021 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade samba-winbind-modulesUpgrade python2-sambaUpgrade libsmbclientUpgrade samba-clientUpgrade ctdb-testsUpgrade samba-krb5-printingUpgrade samba-libsUpgrade samba-common-toolsUpgrade libwbclientUpgrade samba-winbind-krb5-locatorUpgrade python3-sambaUpgrade python2-samba-testUpgrade samba-client-libsUpgrade sambaUpgrade samba-testUpgrade samba-winbind-clientsUpgrade samba-commonUpgrade samba-test-libsUpgrade ctdbUpgrade samba-pidlUpgrade python3-samba-testUpgrade samba-winbindUpgrade samba-dc-libsUpgrade samba-common-libs | Feb 2, 2021 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp9 | — | Upgrade samba-commonUpgrade samba-clientUpgrade samba-winbind-clientsUpgrade samba-common-toolsUpgrade libsmbclientUpgrade samba-winbindUpgrade libwbclientUpgrade samba-libsUpgrade sambaUpgrade samba-winbind-modules | 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 libsamdb0Upgrade libsamba-credentials-develUpgrade libsamba-errors0Upgrade libsamba-passdb0-32bitUpgrade libndr-standard0Upgrade ctdb-pcp-pmdaUpgrade libsamba-errors0-32bitUpgrade sambaUpgrade samba-clientUpgrade libsmbclient0Upgrade samba-libs-python3-32bitUpgrade libdcerpc0-32bitUpgrade libwbclient0-32bitUpgrade libdcerpc-samr0-32bitUpgrade samba-winbind-32bitUpgrade samba-pythonUpgrade samba-ad-dc-32bitUpgrade libnetapi-develUpgrade libndr1-32bitUpgrade libdcerpc-develUpgrade libnetapi-devel-32bitUpgrade libnetapi0Upgrade libtevent-util0Upgrade libndr-krb5pac-develUpgrade libtevent-util0-32bitUpgrade libsamba-hostconfig0-32bitUpgrade libdcerpc-binding0Upgrade samba-libs-python3Upgrade libsmbldap2Upgrade libdcerpc-samr-develUpgrade ctdb-testsUpgrade samba-docUpgrade samba-ad-dcUpgrade samba-winbindUpgrade ctdbUpgrade samba-python3Upgrade samba-libs-32bitUpgrade libsmbldap0Upgrade libndr-develUpgrade libsamba-policy-python3-develUpgrade libsamba-errors-develUpgrade samba-core-develUpgrade libsamba-util-develUpgrade libndr0-32bitUpgrade libsmbclient0-32bitUpgrade libndr-nbt-develUpgrade libsamba-util0Upgrade libsamba-credentials0-32bitUpgrade libwbclient-develUpgrade libnetapi0-32bitUpgrade libndr-krb5pac0Upgrade libsamba-policy-develUpgrade libndr-nbt0Upgrade libsmbldap2-32bitUpgrade libsmbconf-develUpgrade samba-libs-python-32bitUpgrade libsamdb0-32bitUpgrade libndr-krb5pac0-32bitUpgrade samba-cephUpgrade libsamdb-develUpgrade libsamba-passdb0Upgrade libndr1Upgrade samba-client-32bitUpgrade libsmbldap0-32bitUpgrade libsamba-hostconfig-develUpgrade libndr0Upgrade libndr-standard-develUpgrade libtevent-util-develUpgrade libsamba-policy-python-develUpgrade libsmbconf0Upgrade libsamba-passdb-develUpgrade libsamba-hostconfig0Upgrade libsamba-policy0Upgrade samba-testUpgrade samba-pidlUpgrade libsmbclient-develUpgrade libsmbldap-develUpgrade libsamba-policy0-python3-32bitUpgrade libsamba-credentials0Upgrade libsamba-policy0-32bitUpgrade samba-libs-pythonUpgrade libdcerpc-samr0Upgrade libndr-nbt0-32bitUpgrade samba-libsUpgrade libsamba-util0-32bitUpgrade libndr-standard0-32bitUpgrade libdcerpc0Upgrade samba-dsdb-modulesUpgrade libsmbconf0-32bitUpgrade libwbclient0Upgrade libdcerpc-binding0-32bitUpgrade libsamba-policy0-python3 | Oct 31, 2020 | Oct 29, 2020 |
| Ubuntu | — | Upgrade samba (Ubuntu Pro)Upgrade samba | Nov 3, 2020 | Oct 29, 2020 |
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