A flaw was found in the way samba implemented SMB1 authentication. An attacker could use this flaw to retrieve the plaintext password sent over the wire even if Kerberos authentication was required.
CVSS Details
- CVSS 3.1 Base Score: 5.9
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libsmbclient-develUpgrade libwbclient-develUpgrade samba-develUpgrade samba-vfs-iouring | May 4, 2022 | Feb 18, 2022 |
| Alpine Linux | — | Upgrade samba | Mar 26, 2024 | Feb 18, 2022 |
| Amazon Linux Ami 2 | — | Upgrade samba-dc-libsUpgrade libsmbclient-develUpgrade libwbclientUpgrade ctdb-testsUpgrade samba-winbind-modulesUpgrade samba-winbind-clientsUpgrade samba-common-toolsUpgrade samba-test-libsUpgrade samba-krb5-printingUpgrade samba-libsUpgrade samba-clientUpgrade samba-common-libsUpgrade samba-winbind-krb5-locatorUpgrade samba-client-libsUpgrade libwbclient-develUpgrade samba-commonUpgrade samba-pythonUpgrade sambaUpgrade ctdbUpgrade samba-python-testUpgrade libsmbclientUpgrade samba-develUpgrade samba-testUpgrade samba-dcUpgrade samba-winbindUpgrade samba-pidlUpgrade samba-vfs-glusterfsUpgrade samba-debuginfo | Jul 4, 2022 | Feb 18, 2022 |
| Amazon_linux | — | Upgrade samba | Feb 19, 2022 | Nov 10, 2021 |
| Amazon_linux_2023 | — | Upgrade libsmbclient-debuginfoUpgrade samba-common-libs-debuginfoUpgrade samba-develUpgrade samba-debuginfoUpgrade samba-testUpgrade samba-vfs-iouringUpgrade samba-libsUpgrade samba-pidlUpgrade samba-winbind-modules-debuginfoUpgrade libnetapi-debuginfoUpgrade libwbclient-develUpgrade samba-dcerpcUpgrade samba-krb5-printingUpgrade libwbclient-debuginfoUpgrade samba-dcerpc-debuginfoUpgrade samba-client-libsUpgrade samba-dc-libs-debuginfoUpgrade samba-ldb-ldap-modulesUpgrade samba-debugsourceUpgrade samba-usersharesUpgrade samba-winbind-clients-debuginfoUpgrade python3-samba-develUpgrade samba-test-debuginfoUpgrade libnetapiUpgrade libwbclientUpgrade python3-sambaUpgrade samba-winbindUpgrade sambaUpgrade samba-krb5-printing-debuginfoUpgrade samba-winbind-debuginfoUpgrade libsmbclient-develUpgrade libnetapi-develUpgrade samba-winbind-krb5-locator-debuginfoUpgrade samba-test-libs-debuginfoUpgrade samba-libs-debuginfoUpgrade samba-client-libs-debuginfoUpgrade samba-common-libsUpgrade samba-common-toolsUpgrade samba-clientUpgrade samba-ldb-ldap-modules-debuginfoUpgrade samba-test-libsUpgrade samba-vfs-iouring-debuginfoUpgrade samba-common-tools-debuginfoUpgrade samba-client-debuginfoUpgrade python3-samba-debuginfoUpgrade samba-winbind-krb5-locatorUpgrade samba-winbind-modulesUpgrade samba-commonUpgrade samba-winbind-clientsUpgrade samba-dc-libsUpgrade python3-samba-testUpgrade libsmbclient | Feb 17, 2025 | Nov 9, 2021 |
| Centos_linux | — | Upgrade libwbclient-develUpgrade samba-client-libsUpgrade samba-client-libs-debuginfoUpgrade samba-krb5-printing-debuginfoUpgrade samba-winbind-modulesUpgrade samba-winbind-clients-debuginfoUpgrade samba-vfs-iouring-debuginfoUpgrade samba-pidlUpgrade sambaUpgrade ctdb-debuginfoUpgrade samba-dcUpgrade samba-pythonUpgrade libwbclientUpgrade libsmbclient-debuginfoUpgrade libwbclient-debuginfoUpgrade samba-vfs-iouringUpgrade python3-samba-testUpgrade samba-winbindUpgrade libsmbclientUpgrade samba-winbind-modules-debuginfoUpgrade python3-sambaUpgrade samba-debuginfoUpgrade samba-test-debuginfoUpgrade samba-common-tools-debuginfoUpgrade samba-testUpgrade samba-winbind-clientsUpgrade samba-test-libsUpgrade samba-clientUpgrade samba-libsUpgrade python3-samba-debuginfoUpgrade samba-winbind-krb5-locatorUpgrade samba-winbind-debuginfoUpgrade samba-develUpgrade samba-common-libs-debuginfoUpgrade samba-client-debuginfoUpgrade samba-test-libs-debuginfoUpgrade ctdbUpgrade samba-winbind-krb5-locator-debuginfoUpgrade samba-common-toolsUpgrade libsmbclient-develUpgrade samba-vfs-glusterfsUpgrade samba-common-libsUpgrade samba-dc-libsUpgrade samba-libs-debuginfoUpgrade samba-krb5-printingUpgrade samba-python-testUpgrade samba-commonUpgrade samba-debugsource | Dec 14, 2021 | Dec 13, 2021 |
| Debian | — | Upgrade samba | Nov 4, 2022 | Feb 18, 2022 |
| Freebsd | — | Upgrade samba415Upgrade samba413Upgrade samba414 | Nov 4, 2022 | Nov 10, 2021 |
| Gentoo Linux | — | Upgrade net-fs/samba. | Sep 18, 2023 | Feb 18, 2022 |
| Huawei Euleros 2_0_sp10 | — | Upgrade libwbclientUpgrade samba-winbind-modulesUpgrade samba-winbindUpgrade samba-libsUpgrade samba-commonUpgrade libsmbclientUpgrade sambaUpgrade samba-common-toolsUpgrade samba-clientUpgrade samba-winbind-clients | Feb 28, 2022 | Feb 18, 2022 |
| Huawei Euleros 2_0_sp3 | — | Upgrade samba-common-libsUpgrade samba-common-toolsUpgrade samba-clientUpgrade samba-winbind-clientsUpgrade samba-commonUpgrade libsmbclientUpgrade samba-winbind-modulesUpgrade samba-client-libsUpgrade libwbclientUpgrade sambaUpgrade samba-winbindUpgrade samba-pythonUpgrade samba-libs | May 25, 2022 | Feb 18, 2022 |
| Huawei Euleros 2_0_sp5 | — | Upgrade samba-pythonUpgrade libsmbclientUpgrade samba-winbindUpgrade sambaUpgrade samba-winbind-modulesUpgrade samba-client-libsUpgrade libwbclientUpgrade samba-libsUpgrade samba-commonUpgrade samba-common-toolsUpgrade samba-common-libsUpgrade samba-winbind-clientsUpgrade samba-client | Mar 2, 2022 | Feb 18, 2022 |
| Huawei Euleros 2_0_sp9 | — | Upgrade samba-common-toolsUpgrade samba-winbindUpgrade samba-libsUpgrade libwbclientUpgrade samba-clientUpgrade sambaUpgrade samba-winbind-modulesUpgrade samba-winbind-clientsUpgrade libsmbclientUpgrade samba-common | Mar 3, 2022 | Feb 18, 2022 |
| Oracle Solaris | — | Upgrade service/network/samba to version 4.13.14-11.4.42.0.1.113.0 on Solaris 11.4Upgrade library/samba/libsmbclient to version 4.13.8-11.4.42.0.1.113.0 on Solaris 11.4 | Feb 17, 2022 | Feb 17, 2022 |
| Oracle_linux | — | Upgrade libwbclientUpgrade libsmbclient-develUpgrade samba-testUpgrade samba-test-libsUpgrade samba-krb5-printingUpgrade samba-client-libsUpgrade samba-libsUpgrade samba-develUpgrade python3-sambaUpgrade samba-pidlUpgrade samba-commonUpgrade samba-python-testUpgrade samba-winexeUpgrade libwbclient-develUpgrade sambaUpgrade samba-clientUpgrade ctdb-testsUpgrade samba-winbindUpgrade samba-common-toolsUpgrade libsmbclientUpgrade ctdbUpgrade samba-winbind-clientsUpgrade samba-common-libsUpgrade samba-pythonUpgrade samba-winbind-modulesUpgrade samba-vfs-glusterfsUpgrade samba-winbind-krb5-locatorUpgrade samba-dcUpgrade python3-samba-testUpgrade samba-dc-libsUpgrade samba-vfs-iouring | Dec 14, 2021 | Nov 9, 2021 |
| Redhat_linux | — | Upgrade libwbclientUpgrade samba-winbind-krb5-locator-debuginfoUpgrade samba-client-libsUpgrade samba-debuginfoUpgrade libsmbclient-develUpgrade ctdbUpgrade libwbclient-debuginfoUpgrade samba-winexe-debuginfoUpgrade samba-test-libsUpgrade samba-common-tools-debuginfoUpgrade samba-develUpgrade samba-test-debuginfoUpgrade python3-sambaUpgrade samba-winbind-clients-debuginfoUpgrade samba-libs-debuginfoNo solution existsUpgrade samba-commonUpgrade samba-winbind-modules-debuginfoUpgrade samba-testUpgrade samba-pidlUpgrade python3-samba-debuginfoUpgrade samba-krb5-printing-debuginfoUpgrade samba-libsUpgrade samba-krb5-printingUpgrade libsmbclientUpgrade samba-common-libsUpgrade samba-debugsourceUpgrade samba-pythonUpgrade samba-winbind-clientsUpgrade samba-test-libs-debuginfoUpgrade samba-winbindUpgrade samba-vfs-iouringUpgrade sambaUpgrade ctdb-debuginfoUpgrade samba-common-libs-debuginfoUpgrade ctdb-tests-debuginfoUpgrade samba-client-debuginfoUpgrade samba-vfs-iouring-debuginfoUpgrade samba-winbind-modulesUpgrade python3-samba-testUpgrade samba-winbind-krb5-locatorUpgrade samba-python-testUpgrade samba-clientUpgrade samba-common-toolsUpgrade samba-vfs-glusterfs-debuginfoUpgrade samba-dcUpgrade samba-vfs-glusterfsUpgrade samba-dc-libsUpgrade libwbclient-develUpgrade libsmbclient-debuginfoUpgrade ctdb-testsUpgrade samba-winbind-debuginfoUpgrade samba-client-libs-debuginfoUpgrade samba-winexe | Dec 14, 2021 | Dec 13, 2021 |
| Rocky_linux | — | Upgrade samba-debuginfoUpgrade samba-winexeUpgrade samba-winexe-debuginfoUpgrade libsmbclient-develUpgrade samba-krb5-printingUpgrade ctdbUpgrade samba-vfs-iouringUpgrade samba-libs-debuginfoUpgrade samba-winbind-modules-debuginfoUpgrade python3-sambaUpgrade samba-test-libs-debuginfoUpgrade samba-winbind-debuginfoUpgrade sambaUpgrade samba-libsUpgrade ctdb-debuginfoUpgrade samba-debugsourceUpgrade samba-test-debuginfoUpgrade samba-winbind-modulesUpgrade samba-develUpgrade samba-winbindUpgrade libsmbclient-debuginfoUpgrade samba-vfs-iouring-debuginfoUpgrade libwbclient-debuginfoUpgrade samba-client-debuginfoUpgrade libwbclient-develUpgrade libsmbclientUpgrade samba-common-libsUpgrade samba-winbind-clientsUpgrade python3-samba-testUpgrade samba-client-libs-debuginfoUpgrade libwbclientUpgrade samba-winbind-clients-debuginfoUpgrade samba-clientUpgrade samba-winbind-krb5-locatorUpgrade python3-samba-debuginfoUpgrade samba-common-libs-debuginfoUpgrade samba-common-toolsUpgrade samba-client-libsUpgrade samba-test-libsUpgrade samba-krb5-printing-debuginfoUpgrade samba-common-tools-debuginfoUpgrade samba-winbind-krb5-locator-debuginfoUpgrade samba-test | Mar 12, 2024 | Feb 18, 2022 |
| Samba | — | Upgrade to Samba 4.15.2 or later.Upgrade to Samba 4.13.14 or later.Upgrade to Samba 4.14.10 or later. | Nov 10, 2021 | Nov 10, 2021 |
| Suse | — | Upgrade libsamba-util0Upgrade samba-dsdb-modulesUpgrade samba-ad-dc-32bitUpgrade libnetapi0-32bitUpgrade libsamba-errors0-64bitUpgrade libsamba-credentials0Upgrade libndr-krb5pac0Upgrade samba-python3Upgrade libdcerpc0Upgrade libsamdb0-32bitUpgrade samba-clientUpgrade libndr1-32bitUpgrade libndr-standard-develUpgrade libndr0-64bitUpgrade libsamdb-develUpgrade libndr-standard0Upgrade libndr-nbt0-32bitUpgrade libsamba-policy0-python3-64bitUpgrade libdcerpc-samr0-64bitUpgrade libsamba-passdb-develUpgrade libsamba-policy-python-develUpgrade samba-ad-dc-64bitUpgrade samba-client-32bitUpgrade libwbclient-develUpgrade python3-ldbUpgrade libndr-develUpgrade libndr0-32bitUpgrade samba-libs-python3-64bitUpgrade python3-ldb-32bitUpgrade samba-libs-pythonUpgrade libsmbldap0Upgrade libsamba-policy0-64bitUpgrade libsamdb0-64bitUpgrade libsamba-policy-python3-develUpgrade libsamba-policy0Upgrade samba-libs-python-64bitUpgrade libndr-krb5pac-develUpgrade libwbclient0-32bitUpgrade libsamba-hostconfig0-64bitUpgrade samba-libs-64bitUpgrade samba-ad-dcUpgrade libdcerpc-samr0Upgrade samba-gpupdateUpgrade samba-ldb-ldapUpgrade libnetapi-devel-64bitUpgrade libsamba-errors-develUpgrade python3-ldb-develUpgrade samba-libs-python3-32bitUpgrade ldb-toolsUpgrade samba-testUpgrade libsamba-passdb0Upgrade libsamba-hostconfig-develUpgrade libsamba-errors0Upgrade samba-core-develUpgrade libdcerpc-binding0-32bitUpgrade libsmbconf0-64bitUpgrade libsmbconf-develUpgrade libsamba-policy0-32bitUpgrade libdcerpc-samr-develUpgrade libndr1-64bitUpgrade ctdb-pcp-pmdaUpgrade libdcerpc0-64bitUpgrade libsmbconf0-32bitUpgrade libsamba-credentials-develUpgrade libndr-nbt0Upgrade samba-winbindUpgrade libdcerpc-binding0-64bitUpgrade libsamba-policy0-python3Upgrade libnetapi-develUpgrade samba-docUpgrade samba-pythonUpgrade sambaUpgrade samba-libs-python-32bitUpgrade libdcerpc-develUpgrade ctdb-testsUpgrade ctdbUpgrade libsamba-util0-64bitUpgrade libsmbconf0Upgrade libsmbldap0-32bitUpgrade libsmbclient0-64bitUpgrade samba-libs-python3Upgrade libldb-develUpgrade libsamba-policy0-python3-32bitUpgrade libndr-krb5pac0-32bitUpgrade libsamba-util-develUpgrade libtevent-util0-64bitUpgrade libndr1Upgrade libtevent-util0Upgrade samba-winbind-64bitUpgrade libndr-nbt-develUpgrade libsamdb0Upgrade libsamba-passdb0-32bitUpgrade libsamba-policy-develUpgrade libsmbclient0Upgrade libnetapi0Upgrade libndr0Upgrade libsamba-hostconfig0-32bitUpgrade libsmbclient0-32bitUpgrade libtevent-util-develUpgrade libtevent-util0-32bitUpgrade libndr-standard0-64bitUpgrade libsamba-hostconfig0Upgrade libsmbldap2-32bitUpgrade libndr-nbt0-64bitUpgrade libsamba-passdb0-64bitUpgrade libsamba-util0-32bitUpgrade samba-client-64bitUpgrade libndr-standard0-32bitUpgrade libsmbclient-develUpgrade libwbclient0Upgrade libsamba-credentials0-32bitUpgrade libsmbldap2Upgrade libndr-krb5pac0-64bitUpgrade samba-libs-32bitUpgrade libsmbldap2-64bitUpgrade libdcerpc-samr0-32bitUpgrade libwbclient0-64bitUpgrade libnetapi-devel-32bitUpgrade libldb2Upgrade libsmbldap-develUpgrade samba-cephUpgrade libdcerpc-binding0Upgrade libldb2-32bitUpgrade libsamba-credentials0-64bitUpgrade libnetapi0-64bitUpgrade libsamba-errors0-32bitUpgrade samba-libsUpgrade samba-winbind-32bitUpgrade libdcerpc0-32bit | Nov 11, 2021 | Nov 10, 2021 |
| Ubuntu | — | Upgrade samba | Nov 12, 2021 | Nov 10, 2021 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub