Unrated severityNVD Advisory· Published Apr 9, 2019· Updated Aug 4, 2024
CVE-2019-3870
CVE-2019-3870
Description
A vulnerability was found in Samba from version (including) 4.9 to versions before 4.9.6 and 4.10.2. During the creation of a new Samba AD DC, files are created in a private subdirectory of the install location. This directory is typically mode 0700, that is owner (root) only access. However in some upgraded installations it will have other permissions, such as 0755, because this was the default before Samba 4.8. Within this directory, files are created with mode 0666, which is world-writable, including a sample krb5.conf, and the list of DNS names and servicePrincipalName values to update.
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Affected products
3- Range: >= 4.9, < 4.9.6 | >= 4.10, < 4.10.2
- osv-coordsRange: < 4.14.6+git.182.2205d5224e3-1.1
- The Samba Project/sambav5Range: 4.9.6
Patches
Vulnerability mechanics
References
7- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6354GALK73CZWQKFUG7AWB6EIEGFMF62/mitrevendor-advisoryx_refsource_FEDORA
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JTJVFA3RZ6G2IZDTVKLHRMX6QBYA4GPA/mitrevendor-advisoryx_refsource_FEDORA
- bugzilla.redhat.com/show_bug.cgimitrex_refsource_CONFIRM
- bugzilla.samba.org/show_bug.cgimitrex_refsource_MISC
- support.f5.com/csp/article/K20804356mitrex_refsource_CONFIRM
- www.samba.org/samba/security/CVE-2019-3870.htmlmitrex_refsource_MISC
- www.synology.com/security/advisory/Synology_SA_19_15mitrex_refsource_CONFIRM
News mentions
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