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NTP 'ntpd' Autokey Stack Overflow Vulnerability

Information

Severity

Severity

Medium

Family

Family

Buffer overflow

CVSSv2 Base

CVSSv2 Base

6.8

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

13 years ago

Modified

Modified

3 years ago

Summary

This host is running NTP Daemon and is prone to stack overflow vulnerability.

Insight

Insight

This flaw is due to configuration error in ntp daemon's NTPv4 authentication code. If ntp daemon is configured to use Public Key Cryptography for NTP Packet authentication which lets the attacker send crafted NTP requests.

Affected Software

Affected Software

NTP version prior to 4.2.4p7 NTP version 4.2.5 to 4.2.5p73.

Solution

Solution

Apply the security update according to the OS version.

Common Vulnerabilities and Exposures (CVE)