CVE-2018-0409 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

A vulnerability in the XCP Router service of the Cisco Unified Communications Manager IM & Presence Service (CUCM IM&P) and the Cisco TelePresence Video Communication Server (VCS) and Expressway could allow an unauthenticated, remote attacker to cause a temporary service outage for all IM&P users, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a malicious IPv4 or IPv6 packet to an affected device on TCP port 7400. An exploit could allow the attacker to overread a buffer, resulting in a crash and restart of the XCP Router service. Cisco Bug IDs: CSCvg97663, CSCvi55947.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cisco	Telepresence Video Communication Server	x7.0.1
Cisco	Unified Communications Manager Im And Presence Service	11.5

Related Weaknesses (CWE)

CWE-20 CWE-125

References

http://www.securityfocus.com/bid/105102Third Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/105104Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041533Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041534Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
http://www.securityfocus.com/bid/105102Third Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/105104Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041533Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041534Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory

FAQ

What is CVE-2018-0409?

CVE-2018-0409 is a vulnerability with a CVSS score of 7.5 (HIGH). A vulnerability in the XCP Router service of the Cisco Unified Communications Manager IM & Presence Service (CUCM IM&P) and the Cisco TelePresence Video Communication Server (VCS) and Expressway could...

How severe is CVE-2018-0409?

CVE-2018-0409 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-0409?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Telepresence Video Communication Server, Cisco Unified Communications Manager Im And Presence Service.