CVE Database›Document archive›CVE-2015-7692

CVE-2015-7692

ntp: incomplete checks in ntp_crypto.c

Loading…

Severity

Moderate

Red Hat Product Security

4

CVSS 2.0

Review impact separately from score.

Published · October 21, 2015

Updated · May 13, 2026

Description

It was found that the fix for CVE-2014-9750 was incomplete: three issues were found in the value length checks in NTP's ntp_crypto.c, where a packet with particular autokey operations that contained malicious data was not always being completely validated. A remote attacker could use a specially crafted NTP packet to crash ntpd.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Disable NTP autokey authentication by removing, or commenting out, all configuration directives beginning with the 'crypto' keyword in your ntp.conf file.

CVSS / CWE

CVSS 2.0 · 4
AV:N/AC:H/Au:N/C:P/I:N/A:P

CWE not specified