CVE - CVE-2015-1798

CVE-ID
CVE-2015-1798	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:1032032 URL:http://www.securitytracker.com/id/1032032 MISC:20150408 Multiple Vulnerabilities in ntpd (April 2015) Affecting Cisco Products URL:http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150408-ntpd MISC:20150408 Network Time Protocol Daemon MAC Checking Failure Authentication Bypass Vulnerability URL:http://tools.cisco.com/security/center/viewAlert.x?alertId=38276 MISC:73951 URL:http://www.securityfocus.com/bid/73951 MISC:APPLE-SA-2015-06-30-2 URL:http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html MISC:DSA-3223 URL:http://www.debian.org/security/2015/dsa-3223 MISC:FEDORA-2015-5761 URL:http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155864.html MISC:FEDORA-2015-5874 URL:http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155863.html MISC:GLSA-201509-01 URL:https://security.gentoo.org/glsa/201509-01 MISC:HPSBUX03333 URL:http://marc.info/?l=bugtraq&m=143213867103400&w=2 MISC:MDVSA-2015:202 URL:~~http://www.mandriva.com/security/advisories?name=MDVSA-2015:202~~ (Obsolete source) MISC:RHSA-2015:1459 URL:http://rhn.redhat.com/errata/RHSA-2015-1459.html MISC:SSRT102029 URL:http://marc.info/?l=bugtraq&m=143213867103400&w=2 MISC:USN-2567-1 URL:http://www.ubuntu.com/usn/USN-2567-1 MISC:VU#374268 URL:http://www.kb.cert.org/vuls/id/374268 MISC:http://bugs.ntp.org/show_bug.cgi?id=2779 URL:http://bugs.ntp.org/show_bug.cgi?id=2779 MISC:http://support.apple.com/kb/HT204942 URL:http://support.apple.com/kb/HT204942 MISC:http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities URL:http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities MISC:http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html URL:http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html MISC:http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html URL:http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html MISC:https://kc.mcafee.com/corporate/index?page=content&id=SB10114 URL:https://kc.mcafee.com/corporate/index?page=content&id=SB10114 MISC:openSUSE-SU-2015:0775 URL:http://lists.opensuse.org/opensuse-updates/2015-04/msg00052.html
Assigning CNA
Red Hat, Inc.
Date Record Created
20150217	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20150217)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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