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 samba412Upgrade samba410Upgrade samba411Upgrade samba413 | 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-pythonUpgrade sambaUpgrade samba-winbindUpgrade samba-winbind-modulesUpgrade samba-commonUpgrade libsmbclientUpgrade samba-common-toolsUpgrade samba-clientUpgrade samba-libsUpgrade samba-common-libsUpgrade samba-client-libsUpgrade samba-winbind-clientsUpgrade libwbclient | Feb 22, 2021 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp3 | — | Upgrade sambaUpgrade samba-winbind-clientsUpgrade samba-libsUpgrade samba-commonUpgrade samba-client-libsUpgrade libwbclientUpgrade samba-winbindUpgrade samba-pythonUpgrade samba-common-toolsUpgrade samba-clientUpgrade libsmbclientUpgrade samba-winbind-modulesUpgrade samba-common-libs | Jan 20, 2021 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp5 | — | Upgrade samba-commonUpgrade libwbclientUpgrade samba-pythonUpgrade samba-winbind-modulesUpgrade libsmbclientUpgrade sambaUpgrade samba-winbindUpgrade samba-client-libsUpgrade samba-winbind-clientsUpgrade samba-common-toolsUpgrade samba-clientUpgrade samba-common-libsUpgrade samba-libs | Mar 24, 2021 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade samba-winbindUpgrade samba-winbind-clientsUpgrade samba-commonUpgrade samba-testUpgrade sambaUpgrade samba-common-libsUpgrade ctdbUpgrade samba-pidlUpgrade python3-samba-testUpgrade samba-dc-libsUpgrade samba-test-libsUpgrade samba-clientUpgrade samba-common-toolsUpgrade samba-client-libsUpgrade ctdb-testsUpgrade samba-winbind-modulesUpgrade libwbclientUpgrade samba-winbind-krb5-locatorUpgrade samba-krb5-printingUpgrade python2-sambaUpgrade libsmbclientUpgrade python2-samba-testUpgrade python3-sambaUpgrade samba-libs | Feb 2, 2021 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp9 | — | Upgrade samba-libsUpgrade sambaUpgrade libsmbclientUpgrade samba-winbindUpgrade libwbclientUpgrade samba-winbind-modulesUpgrade samba-common-toolsUpgrade samba-commonUpgrade samba-clientUpgrade samba-winbind-clients | Jan 5, 2021 | Dec 2, 2020 |
| Samba | — | Upgrade to Samba 4.12.9 or later.Upgrade to Samba 4.13.1 or later.Upgrade to Samba 4.11.15 or later. | Dec 2, 2020 | Dec 2, 2020 |
| Suse | — | Upgrade libndr1-32bitUpgrade libdcerpc-develUpgrade libsamba-util0Upgrade samba-core-develUpgrade libsmbclient0Upgrade samba-docUpgrade libndr-develUpgrade libsamba-credentials0-32bitUpgrade libsmbclient0-32bitUpgrade samba-winbindUpgrade samba-winbind-32bitUpgrade libsamba-util-develUpgrade libtevent-util0-32bitUpgrade libnetapi-develUpgrade libsamba-hostconfig0-32bitUpgrade ctdb-testsUpgrade libnetapi0Upgrade libsamba-errors0-32bitUpgrade samba-ad-dcUpgrade samba-python3Upgrade libdcerpc-samr0-32bitUpgrade libndr0-32bitUpgrade libsmbldap2Upgrade libsamba-policy-develUpgrade libsamba-errors-develUpgrade libdcerpc0-32bitUpgrade libdcerpc-samr-develUpgrade libndr-nbt-develUpgrade libsamba-policy-python3-develUpgrade libsamba-passdb0-32bitUpgrade libsmbldap0Upgrade libndr-standard0Upgrade libsmbldap2-32bitUpgrade libndr-nbt0Upgrade libtevent-util0Upgrade libndr-krb5pac-develUpgrade libndr-krb5pac0Upgrade samba-libs-python3Upgrade libnetapi0-32bitUpgrade sambaUpgrade samba-libs-32bitUpgrade samba-libs-python3-32bitUpgrade ctdb-pcp-pmdaUpgrade libsamba-errors0Upgrade libnetapi-devel-32bitUpgrade libwbclient0-32bitUpgrade libdcerpc-binding0Upgrade samba-clientUpgrade libsmbconf-develUpgrade ctdbUpgrade samba-ad-dc-32bitUpgrade libsamba-credentials-develUpgrade libsamdb0Upgrade samba-pythonUpgrade libwbclient-develUpgrade libsamba-passdb0Upgrade libsmbldap0-32bitUpgrade libndr-standard0-32bitUpgrade libsamba-policy0-python3-32bitUpgrade libsmbclient-develUpgrade libsamdb-develUpgrade libdcerpc-binding0-32bitUpgrade samba-cephUpgrade libndr-standard-develUpgrade libsamba-util0-32bitUpgrade libwbclient0Upgrade libsamba-credentials0Upgrade libsmbconf0-32bitUpgrade libsamba-policy0-python3Upgrade samba-dsdb-modulesUpgrade libsmbconf0Upgrade samba-libsUpgrade samba-pidlUpgrade libsamba-hostconfig0Upgrade samba-libs-python-32bitUpgrade libsamba-policy-python-develUpgrade libsamba-passdb-develUpgrade libndr1Upgrade libsamba-policy0Upgrade samba-testUpgrade libtevent-util-develUpgrade libsamba-hostconfig-develUpgrade libdcerpc-samr0Upgrade libsamba-policy0-32bitUpgrade libndr0Upgrade libndr-nbt0-32bitUpgrade libsamdb0-32bitUpgrade samba-client-32bitUpgrade libsmbldap-develUpgrade libdcerpc0Upgrade libndr-krb5pac0-32bitUpgrade samba-libs-python | Oct 31, 2020 | Oct 29, 2020 |
| Ubuntu | — | Upgrade sambaUpgrade samba (Ubuntu Pro) | Nov 3, 2020 | Oct 29, 2020 |
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