Cisco Elastic Services Controller REST API Authentication Bypass Vulnerability Threat Alert

Cisco Elastic Services Controller REST API Authentication Bypass Vulnerability Threat Alert

May 17, 2019 | Mina Hao

Overview

Cisco has released a security advisory, announcing the existence of a REST API authentication bypass vulnerability (CVE-2019-1867) in Cisco Elastic Services Controller (ESC). This vulnerability is due to improper validation of API requests. An attacker could exploit this vulnerability by sending a crafted request to the REST API. A successful exploit could allow an unauthenticated, remote attacker to execute arbitrary actions through the REST API with administrative privileges on an affected system.

CVSS 3.0 score:

Base 10.0 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:X

For details about this vulnerability, please visit the following link:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190507-esc-authbypass

Affected Versions

  • Cisco Elastic Services Controller Release 4.1, 4.2, 4.3, and 4.4 when the REST API is enabled.
  • The REST API is disabled by default.

Unaffected Versions

  • Cisco Elastic Services Controller Release < 4.1
  • Cisco Elastic Services Controller Release 4.5

Solution

Cisco has released Cisco Elastic Services Controller 4.5 to fix the preceding vulnerability. Affected users are advised to upgrade as soon as possible

For remediation details, refer to the security advisory at the following link:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190507-esc-authbypass

https://helpx.adobe.com/security/products/acrobat/apsb18-09.html

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.

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