CVE Database


Impact: Important
Public: 2009-05-18
CWE: CWE-121
Bugzilla: 499694: CVE-2009-1252 ntp: remote arbitrary code execution vulnerability if autokeys is enabled


The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2009-1252 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 6.8
Base Metrics: AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector: Network
Access Complexity: Medium
Authentication: None
Confidentiality Impact: Partial
Integrity Impact: Partial
Availability Impact: Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Enterprise Linux ES EUS (v. 4.7) (ntp) RHSA-2009:1040 May 18, 2009
Red Hat Enterprise Linux version 4 (ntp) RHSA-2009:1040 May 18, 2009
Red Hat Enterprise Linux version 5 (ntp) RHSA-2009:1039 May 18, 2009

External References

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For clarification or corrections please contact the Red Hat Security Response Team.