CVE

CVE-2009-3563

Severity:
Pending analysis
Type:
Unavailable / Other
Publication date:
09/12/2009
Last modified:
19/03/2024

Description

ntp_request.c in ntpd in NTP before 4.2.4p8, and 4.2.5, allows remote attackers to cause a denial of service (CPU and bandwidth consumption) by using MODE_PRIVATE to send a spoofed (1) request or (2) response packet that triggers a continuous exchange of MODE_PRIVATE error responses between two NTP daemons.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.40 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.40
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* 4.2.2p4 (including)
cpe:2.3:a:ntp:ntp:4.0.72:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.73:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.90:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.91:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.92:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.93:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.94:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.95:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.96:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.97:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.98:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.99:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.1.2:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools