CVE-2018-0473

Summary

A vulnerability in the Precision Time Protocol (PTP) subsystem of Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition of the Precision Time Protocol. The vulnerability is due to insufficient processing of PTP packets. An attacker could exploit this vulnerability by sending a custom PTP packet to, or through, an affected device. A successful exploit could allow the attacker to cause a DoS condition for the PTP subsystem, resulting in time synchronization issues across the network.

Affected Software

Weaknesses

• CWE-399: CWE-399

ADP Enrichment

CVE Program Container

Additional References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ptp
• http://www.securitytracker.com/id/1041737
• http://www.securityfocus.com/bid/105427
• https://ics-cert.us-cert.gov/advisories/ICSA-19-094-03

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ptp
• http://www.securitytracker.com/id/1041737
• http://www.securityfocus.com/bid/105427
• https://ics-cert.us-cert.gov/advisories/ICSA-19-094-03

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