7.5
CWE
125 20
Advisory Published
Updated

CVE-2018-0409: Input Validation

First published: Wed Aug 15 2018(Updated: )

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.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco TelePresence Video Communication Server=x7.0.1
Cisco TelePresence Video Communication Server=x7.2.4
Cisco TelePresence Video Communication Server=x8.1
Cisco TelePresence Video Communication Server=x8.2.2
Cisco TelePresence Video Communication Server=x8.5
Cisco TelePresence Video Communication Server=x8.6
Cisco TelePresence Video Communication Server=x8.7
Cisco TelePresence Video Communication Server=x8.8
Cisco TelePresence Video Communication Server=x8.9
Cisco TelePresence Video Communication Server=x8.10
Cisco TelePresence Video Communication Server=x8.10.4
Cisco Unified Communications Manager IM and Presence Service=11.5
Cisco Unified Communications Manager IM and Presence Service=11.5\(1\)

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Frequently Asked Questions

  • What is CVE-2018-0409?

    CVE-2018-0409 is 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.

  • How does CVE-2018-0409 affect Cisco TelePresence Video Communication Server?

    CVE-2018-0409 affects Cisco TelePresence Video Communication Server running versions x7.0.1, x7.2.4, x8.1, x8.2.2, x8.5, x8.6, x8.7, x8.8, x8.9, x8.10, and x8.10.4.

  • How does CVE-2018-0409 affect Cisco Unified Communications Manager IM & Presence Service?

    CVE-2018-0409 affects Cisco Unified Communications Manager IM & Presence Service running version 11.5 and 11.5(1).

  • What is the severity of CVE-2018-0409?

    CVE-2018-0409 has a severity value of 7.5 (high).

  • How can I fix CVE-2018-0409?

    To fix CVE-2018-0409, it is recommended to apply the necessary patches and updates provided by Cisco.

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