Denial of service in Cisco Unified Communications Manager IM & Presence Service

Published: 2018-08-16 13:43:35
Severity Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2018-0409
CVSSv3 6.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CWE ID CWE-126
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software Cisco Unified Communications Manager IM & Presence Service
Vulnerable software versions Cisco Unified Communications Manager IM & Presence Service 11.5(1)
Vendor URL Cisco Systems, Inc

Security Advisory

1) Improper input validation

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists in the XCP Router service due to improper validation of user-supplied input. A remote attacker can send a malicious IPv4 or IPv6 packet to an affected device on TCP port 7400, overread a buffer and cause the XCP Router service to crash and restart.

Remediation

Update to version 12.5(0.98000.355), 12.0(1.21000.3), 11.5(1.14900.32) or 11.5(1.14900.15).

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180815-ucmimps-dos

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