A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/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 | May 12, 2021 |
| Debian | — | Upgrade ldbUpgrade samba | Apr 1, 2021 | Apr 1, 2021 |
| Freebsd | — | Upgrade samba411Upgrade samba413Upgrade samba412Upgrade samba414 | Mar 28, 2021 | Mar 28, 2021 |
| Gentoo Linux | — | Upgrade net-fs/samba. | May 28, 2021 | May 12, 2021 |
| Huawei Euleros 2_0_sp2 | — | Upgrade libsmbclientUpgrade sambaUpgrade samba-pythonUpgrade samba-commonUpgrade samba-winbindUpgrade samba-common-libsUpgrade samba-winbind-modulesUpgrade samba-winbind-clientsUpgrade samba-clientUpgrade samba-common-toolsUpgrade samba-libsUpgrade libwbclientUpgrade samba-client-libs | Sep 16, 2021 | May 12, 2021 |
| Huawei Euleros 2_0_sp3 | — | Upgrade samba-common-toolsUpgrade samba-commonUpgrade samba-common-libsUpgrade samba-winbindUpgrade samba-libsUpgrade sambaUpgrade samba-client-libsUpgrade samba-clientUpgrade samba-winbind-clientsUpgrade libsmbclientUpgrade samba-pythonUpgrade samba-winbind-modulesUpgrade libwbclient | Oct 26, 2021 | May 12, 2021 |
| Huawei Euleros 2_0_sp5 | — | Upgrade sambaUpgrade samba-winbind-modulesUpgrade samba-pythonUpgrade samba-libsUpgrade samba-commonUpgrade samba-winbindUpgrade libsmbclientUpgrade samba-client-libsUpgrade samba-common-toolsUpgrade samba-clientUpgrade samba-winbind-clientsUpgrade samba-common-libsUpgrade libwbclient | Jul 19, 2021 | May 12, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade samba-testUpgrade samba-libsUpgrade python3-sambaUpgrade samba-pidlUpgrade samba-krb5-printingUpgrade samba-client-libsUpgrade ctdbUpgrade ctdb-testsUpgrade libwbclientUpgrade python2-samba-testUpgrade samba-commonUpgrade sambaUpgrade samba-winbind-modulesUpgrade samba-dc-libsUpgrade samba-test-libsUpgrade samba-winbind-clientsUpgrade samba-common-toolsUpgrade samba-winbind-krb5-locatorUpgrade python3-samba-testUpgrade samba-clientUpgrade libsmbclientUpgrade samba-common-libsUpgrade samba-winbindUpgrade python2-samba | Jun 28, 2021 | May 12, 2021 |
| Huawei Euleros 2_0_sp9 | — | Upgrade libwbclientUpgrade samba-winbind-clientsUpgrade samba-common-toolsUpgrade samba-clientUpgrade libsmbclientUpgrade samba-winbind-modulesUpgrade samba-winbindUpgrade samba-libsUpgrade samba-commonUpgrade samba | Jul 2, 2021 | May 12, 2021 |
| Samba | — | Upgrade to Samba 4.12.13 or later.Upgrade to Samba 4.14.1 or later.Upgrade to Samba 4.13.6 or later. | May 12, 2021 | May 12, 2021 |
| Suse | — | Upgrade libldb1-32bitUpgrade libsss_simpleifp0Upgrade libsamba-errors0Upgrade krb5-32bitUpgrade libapparmor-develUpgrade samba-ldb-ldapUpgrade krb5-plugin-preauth-pkinitUpgrade python3-tevent-32bitUpgrade libndr-nbt0Upgrade samba-winbind-libs-32bitUpgrade libtdb1-32bitUpgrade sambaUpgrade apparmor-docsUpgrade sssd-ipaUpgrade libnetapi-devel-32bitUpgrade python3-ldb-develUpgrade python3-ipa_hbacUpgrade samba-gpupdateUpgrade python3-tallocUpgrade samba-libs-python3-64bitUpgrade krb5-clientUpgrade libnfsidmap-sssUpgrade libtalloc-develUpgrade libsmbldap-develUpgrade libtdb1Upgrade python3-sss_nss_idmapUpgrade samba-client-libsUpgrade libdcerpc-samr0-32bitUpgrade libsamba-passdb0Upgrade sssd-krb5-commonUpgrade ctdb-pcp-pmdaUpgrade samba-ad-dc-libs-32bitUpgrade sssd-wbclientUpgrade libsss_idmap0Upgrade libsmbldap2-32bitUpgrade libdcerpc0Upgrade samba-winbind-32bitUpgrade samba-libs-64bitUpgrade samba-libs-python3-32bitUpgrade libipa_hbac0Upgrade samba-core-develUpgrade samba-dsdb-modulesUpgrade sssd-adUpgrade sssd-dbusUpgrade libsamdb0Upgrade apache2-mod_apparmorUpgrade libsamba-hostconfig0-32bitUpgrade apparmor-utilsUpgrade libdcerpc-binding0Upgrade python3-tdbUpgrade libndr-develUpgrade libdcerpc-develUpgrade libtalloc2Upgrade libldb2-32bitUpgrade libndr-nbt0-32bitUpgrade libsss_idmap-develUpgrade krb5-miniUpgrade libtevent-develUpgrade sssd-toolsUpgrade ctdb-testsUpgrade libndr-krb5pac0Upgrade samba-ad-dcUpgrade sssd-commonUpgrade samba-pythonUpgrade libsamba-hostconfig-develUpgrade libwbclient-develUpgrade libsamba-credentials-develUpgrade libtalloc2-32bitUpgrade libsamba-passdb0-32bitUpgrade python3-talloc-32bitUpgrade libapparmor1-32bitUpgrade samba-python3Upgrade krb5Upgrade libapparmor1Upgrade libsamba-policy0Upgrade samba-libs-python3Upgrade samba-ad-dc-libsUpgrade libndr1-32bitUpgrade libtevent-util0-32bitUpgrade apparmor-parser-langUpgrade samba-cephUpgrade krb5-plugin-preauth-spakeUpgrade sssd-winbind-idmapUpgrade libtevent-util0Upgrade libwbclient0-32bitUpgrade samba-docUpgrade libldb-develUpgrade libndr-standard0-32bitUpgrade libndr-krb5pac-develUpgrade sssd-proxyUpgrade libtevent0Upgrade krb5-mini-develUpgrade samba-winbindUpgrade talloc-manUpgrade samba-winbind-libsUpgrade libnetapi0-32bitUpgrade python3-tdb-32bitUpgrade sssd-krb5Upgrade apparmor-parserUpgrade krb5-develUpgrade libsamba-util-develUpgrade libsamba-policy-develUpgrade ldb-toolsUpgrade libsmbconf0Upgrade libndr0Upgrade libsamba-policy0-python3-32bitUpgrade libldb1Upgrade libwbclient0Upgrade tevent-manUpgrade samba-toolUpgrade libtevent-util-develUpgrade libdcerpc-samr-develUpgrade libndr-nbt-develUpgrade sssdUpgrade python3-sss-murmurUpgrade libndr0-32bitUpgrade libdcerpc0-32bitUpgrade libsamba-policy0-python3-64bitUpgrade samba-clientUpgrade samba-libsUpgrade libsmbldap2Upgrade libsamba-errors-develUpgrade libipa_hbac-develUpgrade krb5-plugin-kdb-ldapUpgrade samba-devel-32bitUpgrade samba-develUpgrade pam_apparmorUpgrade samba-libs-32bitUpgrade libndr1Upgrade krb5-devel-32bitUpgrade libsamba-credentials0-32bitUpgrade libsmbclient0Upgrade samba-client-libs-32bitUpgrade pam_apparmor-32bitUpgrade tdb-toolsUpgrade ruby-apparmorUpgrade libtevent0-32bitUpgrade libndr-standard0Upgrade libsamdb0-32bitUpgrade libsamba-passdb-develUpgrade libdcerpc-binding0-32bitUpgrade krb5-plugin-preauth-otpUpgrade apparmor-utils-langUpgrade libnetapi0Upgrade samba-testUpgrade python-ldbUpgrade sssd-wbclient-develUpgrade libsss_simpleifp-develUpgrade apparmor-abstractionsUpgrade python3-ldbUpgrade libnetapi-develUpgrade perl-apparmorUpgrade libsmbconf-develUpgrade libndr-standard-develUpgrade samba-client-32bitUpgrade libsss_nss_idmap0Upgrade krb5-serverUpgrade libdcerpc-samr0Upgrade libsss_certmap0Upgrade libsamba-credentials0Upgrade libsamba-errors0-32bitUpgrade libsamdb-develUpgrade libsamba-policy-python3-develUpgrade samba-ad-dc-32bitUpgrade libtdb-develUpgrade python-ldb-develUpgrade python3-apparmorUpgrade libsss_nss_idmap-develUpgrade libsmbclient0-32bitUpgrade libsamba-policy0-python3Upgrade sssd-ldapUpgrade python3-sssd-configUpgrade libsmbclient-develUpgrade samba-libs-pythonUpgrade python3-teventUpgrade libsamba-util0Upgrade samba-client-64bitUpgrade libsamba-util0-32bitUpgrade libndr-krb5pac0-32bitUpgrade ctdbUpgrade libsmbconf0-32bitUpgrade libldb2Upgrade libsss_certmap-develUpgrade python3-talloc-develUpgrade libsamba-hostconfig0Upgrade python3-ldb-32bitUpgrade apparmor-profiles | Mar 25, 2021 | Mar 24, 2021 |
| Ubuntu | — | Upgrade libldb1Upgrade libldb2Upgrade libldb1 (Ubuntu Pro) | Mar 25, 2021 | Mar 24, 2021 |
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