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CVE-2001-0414: Dave Mills Ntpd: Command injection

CVE-2001-0414 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Dave Mills Ntpd. Per its scoring, it can be exploited over the network, without authentication. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

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.

Severity breakdown

CVSS v2.0 10.0: AV:N/AC:L/Au:N/C:C/I:C/A:C

  • Access vector: Network. Exploitable remotely over the network.
  • Access complexity: Low. No special conditions are required.
  • Authentication: None. No authentication is needed.
  • Confidentiality impact: Complete. Total information disclosure.
  • Integrity impact: Complete. Total loss of integrity.
  • Availability impact: Complete. Total shutdown of the component.

Affected products

  • Dave Mills Ntpd: up to and including 4.0.99k; 4.0.99; 4.0.99a; 4.0.99b; 4.0.99c; 4.0.99d; 4.0.99e; 4.0.99f; 4.0.99g; 4.0.99h; 4.0.99i; 4.0.99j
  • Dave Mills Xntp3: 5.93; 5.93a; 5.93b; 5.93c; 5.93d; 5.93e

References