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NTP < 4.2 DoS Vulnerability

Information

Severity

Severity

Critical

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

10.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

11 months ago

Modified

Modified

10 months ago

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Summary

Buffer overflow in ntpd ntp daemon 4.0.99k and earlier (aka xntpd and xntp3) allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long readvar argument.

Insight

Insight

Please see the references for more information on the vulnerabilities.

Affected Software

Affected Software

NTPd through version 4.0.99k.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Update to version 4.2 or later.

Common Vulnerabilities and Exposures (CVE)

References

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