The process_packet function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (peer-variable modification) by sending spoofed packets from many source IP addresses in a certain scenario, as demonstrated by triggering an incorrect leap indication.
References
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History
07 Nov 2023, 02:32
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08 Jun 2021, 19:48
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References | (CONFIRM) https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf - Third Party Advisory | |
References | (CONFIRM) https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf - Third Party Advisory | |
References | (CONFIRM) https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11 - Third Party Advisory, US Government Resource | |
CPE | cpe:2.3:h:siemens:tim_4r-ie_dnp3:-:*:*:*:*:*:*:* cpe:2.3:h:siemens:simatic_net_cp_443-1_opc_ua:-:*:*:*:*:*:*:* cpe:2.3:h:siemens:tim_4r-ie:-:*:*:*:*:*:*:* cpe:2.3:o:siemens:simatic_net_cp_443-1_opc_ua_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:siemens:tim_4r-ie_dnp3_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:siemens:tim_4r-ie_firmware:*:*:*:*:*:*:*:* |
08 Jun 2021, 12:15
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15 Apr 2021, 21:15
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Information
Published : 2016-07-05 01:59
Updated : 2023-12-10 11:46
NVD link : CVE-2016-4954
Mitre link : CVE-2016-4954
CVE.ORG link : CVE-2016-4954
JSON object : View
Products Affected
suse
- linux_enterprise_desktop
- openstack_cloud
- manager
- linux_enterprise_server
- manager_proxy
siemens
- tim_4r-ie_firmware
- tim_4r-ie
- simatic_net_cp_443-1_opc_ua_firmware
- tim_4r-ie_dnp3
- tim_4r-ie_dnp3_firmware
- simatic_net_cp_443-1_opc_ua
opensuse
- leap
- opensuse
ntp
- ntp
oracle
- solaris
CWE
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')