Executive Summary

Summary
Title Cisco AnyConnect Local Privilege Escalation Vulnerability
Informations
Name cisco-sa-20170607-anyconnect First vendor Publication 2017-06-07
Vendor Cisco Last vendor Modification 2017-06-07
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A vulnerability in how DLL files are loaded with Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to install and run an executable file with privileges equivalent to the Microsoft Windows SYSTEM account.

The vulnerability is due to incomplete input validation of path and file names of a DLL file before it is loaded. An attacker could exploit this vulnerability by creating a malicious DLL file and installing it in a specific system directory. A successful exploit could allow the attacker to execute commands on the underlying Microsoft Windows host with privileges equivalent to the SYSTEM account. The attacker would need valid user credentials to exploit this vulnerability.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607-anyconnect ["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607-anyconnect"]

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Original Source

Url : http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco (...)

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 144

Nessus® Vulnerability Scanner

Date Description
2017-06-14 Name : A VPN application installed on the remote host is affected by a privilege esc...
File : cisco_anyconnect_CSCvc97928.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
3
Date Informations
2017-06-15 21:24:42
  • Multiple Updates
2017-06-15 13:24:52
  • Multiple Updates
2017-06-08 17:24:56
  • Multiple Updates
2017-06-07 21:21:58
  • First insertion