Thursday, June 20, 2024

Critical Vulnerability in Cisco Elastic Services Controller Let Hackers Take Full Control of the System Remotely

Cisco released a new security update with the fixes for a critical vulnerability that resides in the Cisco Elastic Services Controller REST API let attackers full control of the system remotely.

Cisco Elastic Services Controller is a virtual network functions manager, which enables businesses to automate the deployment and monitoring of functions running on their virtual environments.

This critical vulnerability affected the Cisco Elastic Services Controller running Software Release 4.1, 4.2, 4.3, or 4.4 when REST API is enabled and it’s disabled by default.

Vulnerability main affected the Cisco Elastic Controller due to the improper validation API requests.

A successful exploit of this vulnerability let an attacker execute arbitrary actions through the REST API with administrative privileges on an affected system.

You can check the table that determines the vulnerable version of
Cisco Elastic Services Controller and this vulnerability is fixed in Cisco Elastic Services Controller Release 4.5, According to the Cisco report.

Cisco Elastic Services Controller Major ReleaseSoftware Releases with Available Patch
Prior to 4.1
Not vulnerable
4.5Not vulnerable

Check Whether the REST API Is Enabled

Administrators can check whether the REST API is enabled or not by
by running the following command on the ESC virtual machine

sudo netstat -tlnup | grep '8443|8080'

Once the command will be successfully executed, The following example shows the output of the command for a machine that has the REST API service enabled on port 8443.

~/# sudo netstat -tlnup | grep '8443|8080'
tcp6  0  0 :::8443        :::*  LISTEN 2557/java 

This vulnerability was found during internal security testing. CVE-2019-1867 is assigned for this vulnerability.

Also Read:

Cisco Fixed Routers Vulnerabilities that Allows Hackers to Run Remote Code with Root Access

Hackers Exploiting More than 9000 Cisco RV320/RV325 Routers After POC published in GitHub

Unpatched Critical Flaw in Cisco Small Business Switches Allows Attackers to Bypass User Authentication


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BALAJI is an Ex-Security Researcher (Threat Research Labs) at Comodo Cybersecurity. Editor-in-Chief & Co-Founder - Cyber Security News & GBHackers On Security.

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