CVE-2015-1798

N/A
Published: April 8, 2015 at 10:00 AM UTC
Updated: June 17, 2026 at 12:23 AM UTC
1 product affected across 1 vendorNTP

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Severity
N/A
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 4.2.7p444

CVSS

Confidentiality
NONE
Integrity
PARTIAL
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-17

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