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Category:   Application (Security)  >   Cisco Secure Access Control System Vendors:   Cisco
Cisco Secure Access Control System Java Deserialization Flaw Lets Remote Users Execute Arbitrary Commands on the Target System
SecurityTracker Alert ID:  1040463
SecurityTracker URL:
CVE Reference:   CVE-2018-0147   (Links to External Site)
Date:  Mar 7 2018
Impact:   Execution of arbitrary code via network, Root access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Cisco Secure Access Control System (ACS). A remote user can execute arbitrary commands with root privileges on the target system.

A remote user can send a specially crafted serialized Java object to trigger a Java deserialization flaw and execute arbitrary commands on the target system. The code will run with root privileges.

The vendor has assigned bug ID CSCvh25988 to this vulnerability.

Mikhail Klyuchnikov and Yury Aleynov from Positive Technologies reported this vulnerability.

Impact:   A remote user can execute arbitrary commands with root privileges on the target system.
Solution:   The vendor has issued a fix (5.8 patch 9).

The vendor advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Any)

Message History:   None.

 Source Message Contents



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