ceph-deploy before 1.5.23 uses weak permissions (644) for ceph/ceph.client.admin.keyring, which allows local users to obtain sensitive information by reading the file.

References

• https://nvd.nist.gov/vuln/detail/CVE-2015-3010
• ceph/ceph-deploy#272
• ceph/ceph-deploy@eee5677
• https://bugzilla.suse.com/show_bug.cgi?id=920926
• http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155576.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155631.html
• http://rhn.redhat.com/errata/RHSA-2015-1092.html
• http://www.openwall.com/lists/oss-security/2015/04/09/11
• http://www.openwall.com/lists/oss-security/2015/04/09/9
• https://web.archive.org/web/20200228233028/http://www.securityfocus.com/bid/74043