CVE Vulnerabilities

CVE-2015-1798

Published: Apr 08, 2015 | Modified: Feb 12, 2023
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
1.8 LOW
AV:A/AC:H/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu

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.

Affected Software

Name Vendor Start Version End Version
Ntp Ntp * 4.2.7p444

References