Overview

On November 7, 2018, local time, Cisco released a security advisory to announce the remediation of two critical vulnerabilities in the Stealthwatch Management Console (SMC) and the Utility Express respectively.

Stealthwatch Management Console Authentication Bypass

CVE-2018-15394

CVSS 3.0: 9.8

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:X

This vulnerability is due to an insecure system configuration. An unauthorized remote attacker could exploit this vulnerability to bypass authentication and execute code with administrative privileges on an affected system.

Affected Versions

Cisco Stealthwatch Enterprise releases <= 6.10.2

Unaffected Versions

Cisco Stealthwatch Enterprise releases 6.10.3

Solution

Cisco has released new versions to fix this vulnerability. Affected users can log in to https://stealthwatch.flexnetoperations.com/ to download the updates.

For more information, see Cisco’s official security advisory at the following link:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181107-smc-auth-bypass

Cisco Unity Express Arbitrary Command Execution

CVE-2018-15381

CVSS 3.0:9.8

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:X

This vulnerability is due to insufficient sanitization of user-supplied content before such content is deserialized. An attacker could trigger this vulnerability by sending a malicious serialized Java object to the listening Java Remote Method Invocation (RMI) service of an affected system, hence execution of arbitrary shell commands with root privileges.

Affected Versions

Cisco Unity Express release < 9.0.6

Unaffected Versions

Cisco Unity Express release 9.0.6

Solution

Cisco has released new versions to fix this vulnerability. Affected users can log in to https://software.cisco.com/download/navigator.html to download the updates.

For more information, see Cisco’s official security advisory at the following link:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181107-cue

Statement

This advisory is only used to describe a potential risk. NSFOCUS does not provide any commitment or promise on this advisory. NSFOCUS and the author will not bear any liability for any direct and/or indirect consequences and losses caused by transmitting and/or using this advisory. NSFOCUS reserves all the rights to modify and interpret this advisory. Please include this statement paragraph when reproducing or transferring this advisory. Do not modify this advisory, add/delete any information to/from it, or use this advisory for commercial purposes without permission from NSFOCUS.

About NSFOCUS

NSFOCUS IB is a wholly owned subsidiary of NSFOCUS, an enterprise application and network security provider, with operations in the Americas, Europe, the Middle East, Southeast Asia and Japan. NSFOCUS IB has a proven track record of combatting the increasingly complex cyber threat landscape through the construction and implementation of multi-layered defense systems. The company’s Intelligent Hybrid Security strategy utilizes both cloud and on-premises security platforms, built on a foundation of real-time global threat intelligence, to provide unified, multi-layer protection from advanced cyber threats.

For more information about NSFOCUS, please visit:

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