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