A null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and before 4.13.1. A local user could use this flaw to crash the winbind service causing denial of service.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libwbclient-develUpgrade samba-develUpgrade openchangeUpgrade libsmbclient-devel | May 4, 2022 | Oct 29, 2020 |
| Alpine Linux | — | Upgrade samba | Mar 26, 2024 | Oct 29, 2020 |
| Amazon Linux Ami 2 | — | Upgrade samba-common-libsUpgrade libsmbclient-develUpgrade samba-python-testUpgrade sambaUpgrade samba-winbindUpgrade ctdbUpgrade samba-dcUpgrade samba-pythonUpgrade samba-test-libsUpgrade samba-commonUpgrade samba-vfs-glusterfsUpgrade samba-dc-libsUpgrade samba-develUpgrade samba-debuginfoUpgrade samba-pidlUpgrade libwbclientUpgrade libsmbclientUpgrade samba-krb5-printingUpgrade samba-libsUpgrade ctdb-testsUpgrade samba-winbind-clientsUpgrade samba-winbind-modulesUpgrade samba-client-libsUpgrade samba-winbind-krb5-locatorUpgrade samba-clientUpgrade samba-common-toolsUpgrade samba-testUpgrade libwbclient-devel | Jan 8, 2021 | Oct 29, 2020 |
| Amazon_linux | — | Upgrade samba | Jan 15, 2021 | Oct 29, 2020 |
| Centos_linux | — | Upgrade ctdbUpgrade samba-winbind-krb5-locator-debuginfoUpgrade samba-winbind-debuginfoUpgrade samba-pythonUpgrade ctdb-tests-debuginfoUpgrade samba-debugsourceUpgrade openchange-client-debuginfoUpgrade samba-test-libs-debuginfoUpgrade samba-vfs-glusterfs-debuginfoUpgrade libwbclient-develUpgrade samba-dc-libsUpgrade samba-python-testUpgrade libsmbclient-debuginfoUpgrade samba-vfs-glusterfsUpgrade libwbclient-debuginfoUpgrade python3-samba-testUpgrade samba-test-libsUpgrade samba-winbind-krb5-locatorUpgrade samba-common-toolsUpgrade samba-clientUpgrade samba-debuginfoUpgrade libsmbclientUpgrade samba-client-libs-debuginfoUpgrade samba-winexeUpgrade samba-winbind-modulesUpgrade samba-winbindUpgrade samba-common-libsUpgrade sambaUpgrade samba-dcUpgrade samba-commonUpgrade samba-common-libs-debuginfoUpgrade samba-winbind-clientsUpgrade openchange-debugsourceUpgrade openchangeUpgrade ctdb-debuginfoUpgrade samba-testUpgrade samba-common-tools-debuginfoUpgrade samba-develUpgrade samba-libsUpgrade libsmbclient-develUpgrade samba-client-debuginfoUpgrade ctdb-testsUpgrade samba-test-debuginfoUpgrade samba-client-libsUpgrade samba-winexe-debuginfoUpgrade samba-libs-debuginfoUpgrade samba-krb5-printing-debuginfoUpgrade samba-winbind-clients-debuginfoUpgrade samba-pidlUpgrade samba-winbind-modules-debuginfoUpgrade python3-sambaUpgrade libwbclientUpgrade openchange-debuginfoUpgrade python3-samba-debuginfoUpgrade samba-krb5-printing | Dec 21, 2020 | Oct 29, 2020 |
| Debian | — | Upgrade samba | Nov 24, 2020 | Oct 29, 2020 |
| Freebsd | — | Upgrade samba411Upgrade samba410Upgrade samba413Upgrade samba412 | Dec 10, 2025 | Oct 30, 2020 |
| Gentoo Linux | — | Upgrade net-fs/samba. | Dec 29, 2020 | Oct 29, 2020 |
| Huawei Euleros 2_0_sp2 | — | Upgrade samba-winbindUpgrade samba-common-toolsUpgrade samba-common-libsUpgrade samba-clientUpgrade libsmbclientUpgrade sambaUpgrade samba-pythonUpgrade samba-winbind-clientsUpgrade samba-winbind-modulesUpgrade samba-commonUpgrade libwbclientUpgrade samba-client-libsUpgrade samba-libs | Feb 22, 2021 | Oct 29, 2020 |
| Huawei Euleros 2_0_sp3 | — | Upgrade samba-commonUpgrade libsmbclientUpgrade samba-winbind-clientsUpgrade samba-client-libsUpgrade sambaUpgrade samba-pythonUpgrade samba-common-toolsUpgrade samba-libsUpgrade samba-clientUpgrade samba-winbind-modulesUpgrade samba-common-libsUpgrade samba-winbindUpgrade libwbclient | Jan 20, 2021 | Oct 29, 2020 |
| Huawei Euleros 2_0_sp5 | — | Upgrade samba-winbindUpgrade sambaUpgrade samba-pythonUpgrade libsmbclientUpgrade samba-winbind-modulesUpgrade samba-winbind-clientsUpgrade samba-client-libsUpgrade samba-common-toolsUpgrade samba-commonUpgrade samba-common-libsUpgrade samba-libsUpgrade samba-clientUpgrade libwbclient | Feb 3, 2021 | Oct 29, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade samba-dc-libsUpgrade python3-samba-testUpgrade samba-pidlUpgrade samba-commonUpgrade ctdbUpgrade samba-winbind-clientsUpgrade samba-test-libsUpgrade sambaUpgrade samba-clientUpgrade samba-common-libsUpgrade samba-testUpgrade samba-winbindUpgrade ctdb-testsUpgrade samba-winbind-modulesUpgrade samba-krb5-printingUpgrade python2-sambaUpgrade libsmbclientUpgrade libwbclientUpgrade python2-samba-testUpgrade samba-winbind-krb5-locatorUpgrade python3-sambaUpgrade samba-common-toolsUpgrade samba-client-libsUpgrade samba-libs | Dec 15, 2020 | Oct 29, 2020 |
| Huawei Euleros 2_0_sp9 | — | Upgrade samba-common-toolsUpgrade samba-commonUpgrade samba-winbind-clientsUpgrade samba-clientUpgrade samba-libsUpgrade sambaUpgrade libwbclientUpgrade samba-winbindUpgrade libsmbclientUpgrade samba-winbind-modules | Dec 1, 2020 | Oct 29, 2020 |
| Oracle Solaris | — | Upgrade library/samba/libsmbclient to version 4.13.1-11.4.30.0.1.88.0 on Solaris 11.4Upgrade service/network/samba to version 4.13.1-11.4.30.0.1.88.0 on Solaris 11.4 | Feb 17, 2021 | Oct 29, 2020 |
| Oracle_linux | — | Upgrade libwbclient-develUpgrade samba-testUpgrade libsmbclientUpgrade ctdb-testsUpgrade samba-client-libsUpgrade samba-winbind-clientsUpgrade samba-winbind-krb5-locatorUpgrade openchangeUpgrade samba-common-toolsUpgrade samba-winbind-modulesUpgrade samba-clientUpgrade samba-libsUpgrade sambaUpgrade ctdbUpgrade samba-test-libsUpgrade samba-krb5-printingUpgrade samba-python-testUpgrade samba-vfs-glusterfsUpgrade samba-pythonUpgrade samba-common-libsUpgrade samba-commonUpgrade libwbclientUpgrade libsmbclient-develUpgrade samba-winbindUpgrade samba-develUpgrade samba-pidlUpgrade python3-samba-testUpgrade samba-winexeUpgrade samba-dc-libsUpgrade samba-dcUpgrade python3-samba | Dec 17, 2020 | Oct 29, 2020 |
| Redhat_linux | — | Upgrade samba-winbindUpgrade samba-client-libs-debuginfoUpgrade libsmbclientUpgrade samba-commonUpgrade samba-dcUpgrade samba-winbind-debuginfoUpgrade samba-clientUpgrade ctdb-tests-debuginfoUpgrade samba-debuginfoUpgrade samba-common-toolsUpgrade ctdbUpgrade samba-common-libsUpgrade samba-test-libs-debuginfoUpgrade samba-vfs-glusterfsUpgrade samba-test-libsUpgrade samba-dc-libsUpgrade libwbclient-develUpgrade samba-debugsourceUpgrade samba-winbind-clientsUpgrade samba-winbind-krb5-locatorUpgrade openchange-client-debuginfoUpgrade samba-pythonUpgrade python3-samba-testUpgrade samba-common-libs-debuginfoUpgrade samba-python-testUpgrade libwbclient-debuginfoUpgrade samba-winexeUpgrade samba-winbind-modulesUpgrade samba-vfs-glusterfs-debuginfoUpgrade samba-libsUpgrade ctdb-debuginfoUpgrade libsmbclient-debuginfoUpgrade python3-samba-debuginfoUpgrade samba-libs-debuginfoUpgrade samba-krb5-printing-debuginfoUpgrade sambaUpgrade python3-sambaUpgrade openchangeUpgrade samba-develUpgrade samba-client-libsUpgrade samba-common-tools-debuginfoUpgrade libwbclientUpgrade samba-client-debuginfoUpgrade samba-pidlUpgrade openchange-debuginfoUpgrade libsmbclient-develUpgrade samba-winbind-clients-debuginfoUpgrade samba-winbind-modules-debuginfoUpgrade samba-test-debuginfoUpgrade ctdb-testsNo solution existsUpgrade samba-testUpgrade samba-winexe-debuginfoUpgrade samba-krb5-printingUpgrade openchange-debugsourceUpgrade samba-winbind-krb5-locator-debuginfo | Dec 21, 2020 | Oct 29, 2020 |
| Rocky_linux | — | Upgrade samba-winexeUpgrade samba-test-libsUpgrade samba-clientUpgrade python3-samba-debuginfoUpgrade openchangeUpgrade samba-common-toolsUpgrade samba-winbind-krb5-locatorUpgrade libsmbclient-develUpgrade samba-client-debuginfoUpgrade samba-common-tools-debuginfoUpgrade samba-winbind-clientsUpgrade openchange-debuginfoUpgrade python3-samba-testUpgrade samba-winbind-debuginfoUpgrade samba-client-libs-debuginfoUpgrade samba-libsUpgrade openchange-debugsourceUpgrade samba-winbind-krb5-locator-debuginfoUpgrade libsmbclientUpgrade samba-common-libsUpgrade samba-krb5-printing-debuginfoUpgrade samba-winbind-clients-debuginfoUpgrade samba-winbind-modulesUpgrade samba-winbindUpgrade samba-test-libs-debuginfoUpgrade samba-client-libsUpgrade ctdb-testsUpgrade ctdb-tests-debuginfoUpgrade libwbclient-debuginfoUpgrade samba-common-libs-debuginfoUpgrade samba-winbind-modules-debuginfoUpgrade libwbclientUpgrade sambaUpgrade ctdb-debuginfoUpgrade samba-develUpgrade samba-debugsourceUpgrade ctdbUpgrade libsmbclient-debuginfoUpgrade samba-winexe-debuginfoUpgrade samba-debuginfoUpgrade samba-krb5-printingUpgrade samba-libs-debuginfoUpgrade python3-sambaUpgrade libwbclient-develUpgrade samba-testUpgrade samba-test-debuginfo | Mar 12, 2024 | Oct 29, 2020 |
| Samba | — | Upgrade to Samba 4.13.1 or later.Upgrade to Samba 4.11.15 or later.Upgrade to Samba 4.12.9 or later. | Nov 26, 2020 | Oct 29, 2020 |
| Suse | — | Upgrade libsamba-policy0-32bitUpgrade libsamba-policy0-python3Upgrade libsamba-util0-32bitUpgrade libsamba-policy0Upgrade libnetapi0Upgrade samba-dsdb-modulesUpgrade libtalloc2Upgrade libsamdb0-32bitUpgrade libsamba-hostconfig0Upgrade libsmbldap-develUpgrade libtdb1Upgrade libsamba-credentials0Upgrade libsamba-passdb-develUpgrade libtalloc2-32bitUpgrade libtevent-util0Upgrade libsamba-policy0-python3-32bitUpgrade samba-pidlUpgrade libdcerpc-samr0Upgrade libndr-standard0-32bitUpgrade libtevent-util-develUpgrade libndr-standard-develUpgrade samba-testUpgrade samba-32bitUpgrade ldapsmbUpgrade samba-libs-32bitUpgrade libtevent0Upgrade libsmbclient-develUpgrade libsamba-util-develUpgrade samba-client-32bitUpgrade libldb1Upgrade samba-libsUpgrade samba-libs-pythonUpgrade libsamdb-develUpgrade libwbclient0Upgrade samba-libs-python-32bitUpgrade libtevent0-32bitUpgrade ctdb-testsUpgrade libsmbldap0-32bitUpgrade libtevent-util0-32bitUpgrade libsamba-passdb0Upgrade samba-libs-python3Upgrade libsmbclient0Upgrade libsamba-errors-develUpgrade libtdb1-32bitUpgrade libndr-krb5pac-develUpgrade samba-cephUpgrade libndr-nbt0Upgrade libsmbldap2-32bitUpgrade libndr-nbt-develUpgrade samba-clientUpgrade libnetapi-devel-32bitUpgrade libsmbldap0Upgrade libsamba-policy-develUpgrade libsamba-credentials-develUpgrade samba-libs-python3-32bitUpgrade libndr-standard0Upgrade libnetapi-develUpgrade libdcerpc-develUpgrade libdcerpc-samr0-32bitUpgrade libndr-krb5pac0Upgrade samba-core-develUpgrade libwbclient0-32bitUpgrade libsmbconf-develUpgrade samba-winbindUpgrade libwbclient-develUpgrade libndr1Upgrade libsamba-policy-python-develUpgrade sambaUpgrade libsmbconf0Upgrade libndr1-32bitUpgrade libdcerpc-binding0Upgrade libdcerpc-binding0-32bitUpgrade samba-krb-printingUpgrade samba-docUpgrade libsamba-hostconfig0-32bitUpgrade samba-ad-dc-32bitUpgrade ctdb-pcp-pmdaUpgrade libsamdb0Upgrade samba-winbind-32bitUpgrade libnetapi0-32bitUpgrade libndr0-32bitUpgrade libsmbconf0-32bitUpgrade libsamba-hostconfig-develUpgrade libndr-develUpgrade libndr-nbt0-32bitUpgrade samba-python3Upgrade samba-ad-dcUpgrade libsamba-errors0-32bitUpgrade ctdbUpgrade libdcerpc0-32bitUpgrade samba-pythonUpgrade libndr-krb5pac0-32bitUpgrade libsmbldap2Upgrade libsamba-policy-python3-develUpgrade libsamba-util0Upgrade libsamba-passdb0-32bitUpgrade libsamba-credentials0-32bitUpgrade libndr0Upgrade libsamba-errors0Upgrade libdcerpc0Upgrade libdcerpc-samr-develUpgrade libsmbclient0-32bit | Jan 22, 2021 | Oct 29, 2020 |
| Ubuntu | — | Upgrade samba (Ubuntu Pro)Upgrade samba | May 4, 2021 | Oct 29, 2020 |
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