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 samba412Upgrade samba414Upgrade samba413Upgrade samba411 | Mar 28, 2021 | Mar 28, 2021 |
| Gentoo Linux | — | Upgrade net-fs/samba. | May 28, 2021 | May 12, 2021 |
| Huawei Euleros 2_0_sp2 | — | Upgrade samba-winbind-clientsUpgrade samba-clientUpgrade samba-common-toolsUpgrade sambaUpgrade samba-pythonUpgrade samba-common-libsUpgrade samba-winbind-modulesUpgrade samba-commonUpgrade samba-winbindUpgrade libsmbclientUpgrade samba-client-libsUpgrade samba-libsUpgrade libwbclient | Sep 16, 2021 | May 12, 2021 |
| Huawei Euleros 2_0_sp3 | — | Upgrade samba-client-libsUpgrade sambaUpgrade samba-libsUpgrade samba-winbindUpgrade samba-pythonUpgrade libsmbclientUpgrade samba-clientUpgrade samba-winbind-clientsUpgrade samba-winbind-modulesUpgrade samba-common-libsUpgrade samba-commonUpgrade samba-common-toolsUpgrade libwbclient | Oct 26, 2021 | May 12, 2021 |
| Huawei Euleros 2_0_sp5 | — | Upgrade samba-commonUpgrade samba-libsUpgrade samba-client-libsUpgrade libsmbclientUpgrade samba-pythonUpgrade samba-winbind-modulesUpgrade sambaUpgrade samba-winbindUpgrade samba-clientUpgrade samba-winbind-clientsUpgrade samba-common-libsUpgrade libwbclientUpgrade samba-common-tools | Jul 19, 2021 | May 12, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade samba-test-libsUpgrade samba-winbindUpgrade samba-commonUpgrade python2-samba-testUpgrade samba-common-libsUpgrade libsmbclientUpgrade python2-sambaUpgrade samba-winbind-clientsUpgrade sambaUpgrade samba-common-toolsUpgrade samba-dc-libsUpgrade python3-samba-testUpgrade samba-clientUpgrade samba-winbind-krb5-locatorUpgrade samba-winbind-modulesUpgrade samba-testUpgrade ctdb-testsUpgrade libwbclientUpgrade samba-libsUpgrade samba-pidlUpgrade ctdbUpgrade samba-krb5-printingUpgrade python3-sambaUpgrade samba-client-libs | Jun 28, 2021 | May 12, 2021 |
| Huawei Euleros 2_0_sp9 | — | Upgrade samba-commonUpgrade samba-libsUpgrade samba-winbindUpgrade sambaUpgrade samba-winbind-clientsUpgrade libsmbclientUpgrade samba-clientUpgrade libwbclientUpgrade samba-winbind-modulesUpgrade samba-common-tools | Jul 2, 2021 | May 12, 2021 |
| Samba | — | Upgrade to Samba 4.12.13 or later.Upgrade to Samba 4.13.6 or later.Upgrade to Samba 4.14.1 or later. | May 12, 2021 | May 12, 2021 |
| Suse | — | Upgrade libipa_hbac-develUpgrade libsamba-util0Upgrade libsamba-policy0-python3-32bitUpgrade samba-clientUpgrade libsamba-policy-develUpgrade ldb-toolsUpgrade libsss_certmap-develUpgrade libnetapi0-32bitUpgrade python3-ldbUpgrade libnetapi-develUpgrade libsamba-hostconfig0Upgrade libsamba-policy0-python3-64bitUpgrade libsmbconf-develUpgrade python3-ldb-32bitUpgrade libtdb-develUpgrade libsss_nss_idmap-develUpgrade python-ldb-develUpgrade samba-client-32bitUpgrade sssd-krb5Upgrade python3-talloc-develUpgrade libndr-standard-develUpgrade libsamdb-develUpgrade libdcerpc0-32bitUpgrade libsmbclient-develUpgrade libsamba-credentials0Upgrade libsss_certmap0Upgrade apparmor-parserUpgrade libsss_nss_idmap0Upgrade samba-client-64bitUpgrade python3-teventUpgrade libtevent-util-develUpgrade libsamba-errors0-32bitUpgrade libsamba-policy0-python3Upgrade python3-apparmorUpgrade samba-libs-32bitUpgrade libwbclient0Upgrade samba-libs-pythonUpgrade krb5-devel-32bitUpgrade libsmbclient0-32bitUpgrade krb5-develUpgrade perl-apparmorUpgrade python3-sssd-configUpgrade libldb1Upgrade libsmbldap2Upgrade libsamba-util-develUpgrade samba-toolUpgrade krb5-serverUpgrade libndr0Upgrade libndr0-32bitUpgrade libndr1Upgrade sssd-wbclient-develUpgrade python3-sss-murmurUpgrade libsamba-credentials0-32bitUpgrade libsmbclient0Upgrade samba-client-libs-32bitUpgrade samba-devel-32bitUpgrade libsamba-errors-develUpgrade sssd-ldapUpgrade samba-develUpgrade python3-tdb-32bitUpgrade krb5-plugin-kdb-ldapUpgrade libldb2Upgrade tevent-manUpgrade apparmor-profilesUpgrade samba-libsUpgrade pam_apparmor-32bitUpgrade ctdbUpgrade libndr-nbt-develUpgrade libdcerpc-samr-develUpgrade libdcerpc-samr0Upgrade libsmbconf0-32bitUpgrade libsamba-policy-python3-develUpgrade apparmor-utils-langUpgrade apparmor-abstractionsUpgrade libsamba-util0-32bitUpgrade ruby-apparmorUpgrade libsss_simpleifp-develUpgrade libsamba-passdb-develUpgrade libdcerpc-binding0-32bitUpgrade libnetapi0Upgrade libndr-standard0Upgrade libsamdb0-32bitUpgrade pam_apparmorUpgrade libtevent0-32bitUpgrade libndr-krb5pac0-32bitUpgrade libsmbconf0Upgrade samba-testUpgrade python-ldbUpgrade krb5-plugin-preauth-otpUpgrade tdb-toolsUpgrade samba-ad-dc-32bitUpgrade sssdUpgrade krb5-mini-develUpgrade samba-libs-python3-32bitUpgrade sssd-winbind-idmapUpgrade python3-tdbUpgrade libtdb1-32bitUpgrade libsamba-passdb0-32bitUpgrade samba-ad-dc-libsUpgrade libdcerpc-develUpgrade apache2-mod_apparmorUpgrade libsamdb0Upgrade libsamba-hostconfig0-32bitUpgrade python3-ipa_hbacUpgrade libwbclient-develUpgrade samba-libs-python3-64bitUpgrade sssd-ipaUpgrade sssd-wbclientUpgrade samba-winbind-32bitUpgrade samba-gpupdateUpgrade python3-tevent-32bitUpgrade libnfsidmap-sssUpgrade libnetapi-devel-32bitUpgrade python3-tallocUpgrade libldb1-32bitUpgrade krb5-32bitUpgrade libapparmor-develUpgrade samba-winbind-libs-32bitUpgrade samba-libs-64bitUpgrade samba-libs-python3Upgrade ctdb-testsUpgrade samba-winbind-libsUpgrade libtdb1Upgrade python3-sss_nss_idmapUpgrade libapparmor1Upgrade apparmor-parser-langUpgrade libtevent-develUpgrade samba-dsdb-modulesUpgrade sssd-adUpgrade libldb2-32bitUpgrade libsss_idmap0Upgrade libtalloc2Upgrade libtalloc-develUpgrade libtevent-util0-32bitUpgrade samba-python3Upgrade sssd-dbusUpgrade libndr-develUpgrade talloc-manUpgrade libdcerpc-samr0-32bitUpgrade libtalloc2-32bitUpgrade krb5-clientUpgrade krb5-plugin-preauth-pkinitUpgrade libndr-nbt0Upgrade libsamba-errors0Upgrade samba-ad-dc-libs-32bitUpgrade samba-ldb-ldapUpgrade sambaUpgrade libsss_simpleifp0Upgrade libndr1-32bitUpgrade libipa_hbac0Upgrade libdcerpc0Upgrade libsmbldap-develUpgrade libsamba-passdb0Upgrade samba-client-libsUpgrade ctdb-pcp-pmdaUpgrade libsmbldap2-32bitUpgrade sssd-proxyUpgrade samba-winbindUpgrade samba-core-develUpgrade samba-cephUpgrade libtevent0Upgrade libldb-develUpgrade libsss_idmap-develUpgrade libndr-krb5pac-develUpgrade libapparmor1-32bitUpgrade libndr-krb5pac0Upgrade apparmor-utilsUpgrade libdcerpc-binding0Upgrade samba-pythonUpgrade libndr-standard0-32bitUpgrade krb5-miniUpgrade krb5Upgrade samba-ad-dcUpgrade python3-ldb-develUpgrade libsamba-policy0Upgrade krb5-plugin-preauth-spakeUpgrade libsamba-credentials-develUpgrade libsamba-hostconfig-develUpgrade samba-docUpgrade libtevent-util0Upgrade sssd-krb5-commonUpgrade libndr-nbt0-32bitUpgrade sssd-commonUpgrade apparmor-docsUpgrade sssd-toolsUpgrade libwbclient0-32bitUpgrade python3-talloc-32bit | Mar 25, 2021 | Mar 24, 2021 |
| Ubuntu | — | Upgrade libldb1 (Ubuntu Pro)Upgrade libldb2Upgrade libldb1 | Mar 25, 2021 | Mar 24, 2021 |
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