RedhatCVELIST:CVE-2015-3405CVE-2015-3405
ntp-keygen in ntp 4.2.8px before 4.2.8p2-RC2 and 4.3.x before 4.3.12 does not generate MD5 keys with sufficient entropy on big endian machines when the lowest order byte of the temp variable is between 0x20 and 0x7f and not #, which might allow remote attackers to obtain the value of generated MD5 keys via a brute force attack with the 93 possible keys.
References
bk1.ntp.org/ntp-stable/?PAGE=patch&REV=55199296N2gFqH1Hm5GOnhrk9Ypygg
lists.fedoraproject.org/pipermail/package-announce/2015-April/156248.html
lists.opensuse.org/opensuse-security-announce/2015-07/msg00000.html
rhn.redhat.com/errata/RHSA-2015-1459.html
rhn.redhat.com/errata/RHSA-2015-2231.html
www.debian.org/security/2015/dsa-3223
www.debian.org/security/2015/dsa-3388
www.openwall.com/lists/oss-security/2015/04/23/14
www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
www.securityfocus.com/bid/74045
bugs.ntp.org/show_bug.cgi?id=2797
bugzilla.redhat.com/show_bug.cgi?id=1210324
support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03886en_us
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