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