CVE-2015-1798 | BDVDB-2026-68824 Detail
Description#
The symmetric-key feature in the receive function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p2 requires a correct MAC only if the MAC field has a nonzero length, which makes it easier for man-in-the-middle attackers to spoof packets by omitting the MAC.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://www.securitytracker.com/id/1032032
- http://www.ubuntu.com/usn/USN-2567-1
- http://www.kb.cert.org/vuls/id/374268
- http://marc.info/?l=bugtraq&m=143213867103400&w=2
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155864.html
- http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities
- https://kc.mcafee.com/corporate/index?page=content&id=SB10114
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155863.html
- http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html
- http://lists.opensuse.org/opensuse-updates/2015-04/msg00052.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- https://security.gentoo.org/glsa/201509-01
- http://tools.cisco.com/security/center/viewAlert.x?alertId=38276
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:202
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
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Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.