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CVE-2016-9042 Detail

Current Description

An exploitable denial of service vulnerability exists in the origin timestamp check functionality of ntpd 4.2.8p9. A specially crafted unauthenticated network packet can be used to reset the expected origin timestamp for target peers. Legitimate replies from targeted peers will fail the origin timestamp check (TEST2) causing the reply to be dropped and creating a denial of service condition.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  5.9 MEDIUM
Vector:  CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Nist CVSS score does not match with CNA score
CNA:  Talos
Base Score:  3.7 LOW
Vector:  CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: It is possible that the NVD CVSS may not match that of the CNA. The most common reason for this is that publicly available information does not provide sufficient detail or that information simply was not available at the time the CVSS vector string was assigned.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/142101/FreeBSD-Security-Advisory-FreeBSD-SA-17-03.ntp.html
http://packetstormsecurity.com/files/142284/Slackware-Security-Advisory-ntp-Updates.html
http://seclists.org/fulldisclosure/2017/Nov/7
http://seclists.org/fulldisclosure/2017/Sep/62
http://www.securityfocus.com/archive/1/540403/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/540403/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/540464/100/0/threaded
http://www.securityfocus.com/bid/97046 Permissions Required  Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1038123 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1039427 Third Party Advisory  VDB Entry 
http://www.ubuntu.com/usn/USN-3349-1
https://bto.bluecoat.com/security-advisory/sa147
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf Third Party Advisory 
https://kc.mcafee.com/corporate/index?page=content&id=SB10201
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7KVLFA3J43QFIP4I7HE7KQ5FXSMJEKC6/
https://security.FreeBSD.org/advisories/FreeBSD-SA-17:03.ntp.asc Third Party Advisory 
https://support.apple.com/kb/HT208144
https://support.f5.com/csp/article/K39041624
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us Third Party Advisory 
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0260 Exploit  Mitigation  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-20 Improper Input Validation cwe source acceptance level NIST  

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-9042
NVD Published Date:
06/04/2018
NVD Last Modified:
04/19/2022
Source:
Talos