Date: Wed, 22 Apr 2015 14:55:16 +0200 From: Martin Prpic <mprpic@...hat.com> To: "oss-security\@lists.openwall.com" <oss-security@...ts.openwall.com> CC: "CVE Assignments MITRE" <cve-assign@...re.org> Subject: Re: CVE request: ntp-keygen may generate non-random symmetric keys on big-endian systems Hi, this still has no CVE assigned. Thanks! Martin Prpic writes: > Hi, the recent NTP update (ntp-4.2.8p2) contains a fix for the following > issue: > > * [Bug 2797] ntp-keygen trapped in endless loop for MD5 keys on big-endian machines. > https://bugs.ntp.org/show_bug.cgi?id=2797 > > Patch: http://bk1.ntp.org/ntp-stable/?PAGE=patch&REV=55199296N2gFqH1Hm5GOnhrk9Ypygg > > While the endless loop is not a security flaw per se, the fact that > ntp-keygen generates non-random keys is. If the lowest byte of the temp > variable happens to be between 0x20 and 0x7f and not #, the generated > MD5 key will consist of 20 identical characters, meaning only 93 > possible keys can be generated. > > Can a CVE be please assigned for this issue? > > Thank you! -- Martin Prpič / Red Hat Product Security
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