Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2009-1252

Severity CVSS v4.0:
Pending analysis
Type:
CWE-119 Buffer Errors
Publication date:
19/05/2009
Last modified:
09/04/2025

Description

Stack-based buffer overflow in the crypto_recv function in ntp_crypto.c in ntpd in NTP before 4.2.4p7 and 4.2.5 before 4.2.5p74, when OpenSSL and autokey are enabled, allows remote attackers to execute arbitrary code via a crafted packet containing an extension field.

Impact

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

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

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

Base Score 2.0
6.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:ntp:ntp:4.2.4p0:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4p1:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4p2:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4p3:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4p4:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4p5:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4p6:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5p0:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5p1:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5p2:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5p3:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5p4:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5p5:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5p6:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5p7:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools