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 samba413Upgrade samba411Upgrade 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 samba-commonUpgrade sambaUpgrade samba-pythonUpgrade samba-clientUpgrade samba-winbind-clientsUpgrade samba-common-toolsUpgrade samba-winbind-modulesUpgrade samba-winbindUpgrade samba-common-libsUpgrade libwbclientUpgrade samba-libsUpgrade samba-client-libs | Sep 16, 2021 | May 12, 2021 |
| Huawei Euleros 2_0_sp3 | — | Upgrade samba-pythonUpgrade libsmbclientUpgrade samba-client-libsUpgrade samba-winbindUpgrade samba-clientUpgrade samba-winbind-clientsUpgrade samba-winbind-modulesUpgrade samba-common-libsUpgrade libwbclientUpgrade samba-libsUpgrade sambaUpgrade samba-common-toolsUpgrade samba-common | Oct 26, 2021 | May 12, 2021 |
| Huawei Euleros 2_0_sp5 | — | Upgrade samba-clientUpgrade samba-common-toolsUpgrade samba-winbind-clientsUpgrade libwbclientUpgrade samba-common-libsUpgrade samba-libsUpgrade sambaUpgrade samba-winbind-modulesUpgrade samba-winbindUpgrade samba-pythonUpgrade samba-client-libsUpgrade libsmbclientUpgrade samba-common | Jul 19, 2021 | May 12, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade samba-common-toolsUpgrade sambaUpgrade samba-test-libsUpgrade samba-common-libsUpgrade python2-sambaUpgrade samba-clientUpgrade samba-dc-libsUpgrade samba-winbind-clientsUpgrade samba-commonUpgrade samba-winbindUpgrade libsmbclientUpgrade python2-samba-testUpgrade samba-winbind-modulesUpgrade python3-samba-testUpgrade samba-winbind-krb5-locatorUpgrade samba-client-libsUpgrade samba-libsUpgrade ctdbUpgrade python3-sambaUpgrade samba-pidlUpgrade samba-krb5-printingUpgrade ctdb-testsUpgrade samba-testUpgrade libwbclient | Jun 28, 2021 | May 12, 2021 |
| Huawei Euleros 2_0_sp9 | — | Upgrade samba-commonUpgrade samba-libsUpgrade sambaUpgrade samba-winbindUpgrade libsmbclientUpgrade samba-winbind-clientsUpgrade samba-winbind-modulesUpgrade samba-clientUpgrade samba-common-toolsUpgrade libwbclient | Jul 2, 2021 | May 12, 2021 |
| Samba | — | Upgrade to Samba 4.14.1 or later.Upgrade to Samba 4.12.13 or later.Upgrade to Samba 4.13.6 or later. | May 12, 2021 | May 12, 2021 |
| Suse | — | Upgrade libtevent-util-develUpgrade python-ldb-develUpgrade python3-talloc-develUpgrade libsamba-policy0-python3-32bitUpgrade libsamba-policy0-python3-64bitUpgrade samba-ad-dc-32bitUpgrade libsamba-util-develUpgrade libsss_certmap-develUpgrade libndr0Upgrade libsmbconf-develUpgrade ldb-toolsUpgrade krb5-serverUpgrade libsmbconf0-32bitUpgrade libsamba-policy-develUpgrade libnetapi0-32bitUpgrade pam_apparmor-32bitUpgrade libldb2Upgrade libndr-nbt-develUpgrade tdb-toolsUpgrade libsss_simpleifp-develUpgrade pam_apparmorUpgrade libtevent0-32bitUpgrade libndr-krb5pac0-32bitUpgrade sssdUpgrade apparmor-profilesUpgrade libsamba-hostconfig0Upgrade libsmbconf0Upgrade libnetapi0Upgrade samba-libs-pythonUpgrade libndr-standard-develUpgrade libsmbclient-develUpgrade samba-devel-32bitUpgrade sssd-krb5Upgrade samba-develUpgrade libnetapi-develUpgrade python3-ldbUpgrade libsamba-errors-develUpgrade libsss_nss_idmap-develUpgrade sssd-ldapUpgrade samba-client-64bitUpgrade python3-tdb-32bitUpgrade samba-clientUpgrade libndr0-32bitUpgrade apparmor-utils-langUpgrade samba-libsUpgrade libdcerpc0-32bitUpgrade krb5-plugin-preauth-otpUpgrade apparmor-parserUpgrade libsamba-util0-32bitUpgrade libsamba-credentials0Upgrade python3-sss-murmurUpgrade samba-libs-32bitUpgrade samba-client-32bitUpgrade libtdb-develUpgrade krb5-develUpgrade libsamba-errors0-32bitUpgrade libsamba-policy0-python3Upgrade libsss_nss_idmap0Upgrade libsamdb-develUpgrade python3-apparmorUpgrade libdcerpc-samr0Upgrade libldb1Upgrade apparmor-abstractionsUpgrade ctdbUpgrade krb5-plugin-kdb-ldapUpgrade sssd-wbclient-develUpgrade libipa_hbac-develUpgrade libsamba-credentials0-32bitUpgrade ruby-apparmorUpgrade samba-client-libs-32bitUpgrade libsmbclient0Upgrade libsamdb0-32bitUpgrade tevent-manUpgrade libsss_certmap0Upgrade libwbclient0Upgrade krb5-devel-32bitUpgrade libsamba-passdb-develUpgrade samba-testUpgrade samba-toolUpgrade libsamba-policy-python3-develUpgrade libsmbclient0-32bitUpgrade libsamba-util0Upgrade python-ldbUpgrade libdcerpc-samr-develUpgrade libndr1Upgrade python3-sssd-configUpgrade libndr-standard0Upgrade python3-teventUpgrade libsmbldap2Upgrade python3-ldb-32bitUpgrade libdcerpc-binding0-32bitUpgrade perl-apparmorUpgrade libdcerpc0Upgrade libapparmor1Upgrade samba-libs-python3-32bitUpgrade samba-core-develUpgrade libsmbldap-develUpgrade libsamba-passdb0Upgrade libtalloc-develUpgrade libsamba-errors0Upgrade libndr1-32bitUpgrade samba-ldb-ldapUpgrade sambaUpgrade libipa_hbac0Upgrade talloc-manUpgrade libdcerpc-samr0-32bitUpgrade sssd-dbusUpgrade samba-libs-python3Upgrade libtevent-util0-32bitUpgrade libsamba-passdb0-32bitUpgrade python3-ipa_hbacUpgrade samba-python3Upgrade libtdb1-32bitUpgrade libndr-develUpgrade libtalloc2-32bitUpgrade libsamdb0Upgrade krb5-plugin-preauth-pkinitUpgrade libtevent0Upgrade samba-ad-dc-libs-32bitUpgrade python3-ldb-develUpgrade libapparmor1-32bitUpgrade samba-ad-dc-libsUpgrade python3-sss_nss_idmapUpgrade libtalloc2Upgrade libtdb1Upgrade libwbclient-develUpgrade apparmor-parser-langUpgrade apache2-mod_apparmorUpgrade krb5-mini-develUpgrade sssd-winbind-idmapUpgrade samba-libs-python3-64bitUpgrade sssd-adUpgrade sssd-wbclientUpgrade sssd-ipaUpgrade libsamba-hostconfig0-32bitUpgrade samba-winbind-libsUpgrade python3-tallocUpgrade krb5-32bitUpgrade libwbclient0-32bitUpgrade samba-winbindUpgrade ctdb-pcp-pmdaUpgrade sssd-proxyUpgrade samba-client-libsUpgrade libsmbldap2-32bitUpgrade samba-cephUpgrade krb5Upgrade libndr-krb5pac-develUpgrade libdcerpc-develUpgrade libldb2-32bitUpgrade libtevent-develUpgrade python3-tevent-32bitUpgrade libnetapi-devel-32bitUpgrade samba-winbind-32bitUpgrade samba-gpupdateUpgrade samba-libs-64bitUpgrade libapparmor-develUpgrade libldb1-32bitUpgrade libnfsidmap-sssUpgrade libsss_idmap0Upgrade samba-dsdb-modulesUpgrade samba-winbind-libs-32bitUpgrade ctdb-testsUpgrade libsamba-credentials-develUpgrade samba-pythonUpgrade apparmor-docsUpgrade libsss_simpleifp0Upgrade libsamba-policy0Upgrade samba-docUpgrade sssd-commonUpgrade samba-ad-dcUpgrade libtevent-util0Upgrade krb5-plugin-preauth-spakeUpgrade libsamba-hostconfig-develUpgrade libldb-develUpgrade krb5-miniUpgrade libsss_idmap-develUpgrade libndr-nbt0-32bitUpgrade libdcerpc-binding0Upgrade apparmor-utilsUpgrade sssd-toolsUpgrade libndr-krb5pac0Upgrade python3-talloc-32bitUpgrade python3-tdbUpgrade krb5-clientUpgrade sssd-krb5-commonUpgrade libndr-standard0-32bitUpgrade libndr-nbt0 | Mar 25, 2021 | Mar 24, 2021 |
| Ubuntu | — | Upgrade libldb1 (Ubuntu Pro)Upgrade libldb1Upgrade libldb2 | Mar 25, 2021 | Mar 24, 2021 |
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