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CVE-2016-9042

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 expect...

Published: Jun 4, 2018Updated: Nov 21, 2024 Sources: CVE List NVD csafCWE-20
NVD MITRE
5.9CVSSMEDIUM
EPSS Score
4.0%
Top 10.9%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Workaround Only

Description

All versions of the SIMATIC CP 443-1 OPC UA contain multiple vulnerabilities in the underlying third party component NTP. Siemens recommends specific countermeasures for products where updates are not, or not yet available.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-20

Affected Products

ntpntp
On-prem
Networking Infrastructure / dns-dhcp-ntp
freebsdfreebsd
On-premOS
Operating Systems / unix-bsd
hpux-ntphpeHardware Firmware
simatic net cp 443-1 opc ua firmwaresiemens
On-prem
Enterprise Software / collaboration-groupware
Network Time ProtocolTalos
Mixed
ICS / OT / IoT / industrial-network
ntposs-projectNetworking Infrastructureaka ntp daemon
freebsdoss-projectUSOperating Systems
hpecommercialUSHardware Firmwareaka hpe
siemenscommercialDEEnterprise Softwareaka siemens ag
taloscommercialICS / OT / IoTaka moxa, allen bradley, computerinsel photoline

Attack Graph

Products CVE Techniques Tactics

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Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Workaround Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://cert-portal.siemens.com/productcert/csaf/ssa-211752.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/txt/ssa-211752.txt
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
cert-portal.siemens.com
and 43 more references View all →

Timeline

Published
Jun 4, 2018
Last Updated
Nov 21, 2024

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