CVE-2009-0021 Detail

Current Description

NTP 4.2.4 before 4.2.4p5 and 4.2.5 before 4.2.5p150 does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys, a similar vulnerability to CVE-2008-5077.


View Analysis Description

Evaluator Description

Note that versions 4.2.5 before 4.2.5p150 are development versions and not production versions. Development versions are not included in the CPE configuration for CVEs.

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  N/A
NVD score not yet provided.


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Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.html
http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.531177
http://support.apple.com/kb/HT3549
http://www.ocert.org/advisories/ocert-2008-016.html
http://www.redhat.com/support/errata/RHSA-2009-0046.html
http://www.securityfocus.com/archive/1/499827/100/0/threaded
http://www.securitytracker.com/id?1021533
http://www.us-cert.gov/cas/techalerts/TA09-133A.html US Government Resource 
http://www.vupen.com/english/advisories/2009/0042 Vendor Advisory 
http://www.vupen.com/english/advisories/2009/1297 Vendor Advisory 
https://lists.ntp.org/pipermail/announce/2009-January/000055.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10035

Weakness Enumeration

CWE-ID CWE Name Source
CWE-287 Improper Authentication cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-0021
NVD Published Date:
01/07/2009
NVD Last Modified:
10/11/2018
Source:
MITRE