cisco-sa-anyconnect-dll-injec-pQnryXLf: Cisco AnyConnect Secure Mobility Client for Windows DLL Injection Vulnerability
First published: Wed Jan 13 2021(Updated: )
A vulnerability in the Network Access Manager and Web Security Agent components of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL injection attack. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. The vulnerability is due to insufficient validation of resources that are loaded by the application at run time. An attacker could exploit this vulnerability by inserting a configuration file in a specific path in the system which, in turn, causes a malicious DLL file to be loaded when the application starts. A successful exploit could allow the attacker to execute arbitrary code on the affected machine with SYSTEM privileges. 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://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-dll-injec-pQnryXLf
Credit: Nuttakorn Tungpoonsup the Secure D Center Research TeamAmmarit Thongthua the Secure D Center Research Team the Secure D Center Research TeamNattakit Intarasorn the Secure D Center Research TeamSittikorn Sangrattanapitak.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco AnyConnect Secure Mobility Client |
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Reference Links
Frequently Asked Questions
What is the severity of cisco-sa-anyconnect-dll-injec-pQnryXLf?
The severity of cisco-sa-anyconnect-dll-injec-pQnryXLf is categorized as medium.
How do I fix cisco-sa-anyconnect-dll-injec-pQnryXLf?
To fix cisco-sa-anyconnect-dll-injec-pQnryXLf, update to the latest version of Cisco AnyConnect Secure Mobility Client as recommended in the advisory.
Who is affected by cisco-sa-anyconnect-dll-injec-pQnryXLf?
Users of Cisco AnyConnect Secure Mobility Client for Windows are affected by cisco-sa-anyconnect-dll-injec-pQnryXLf.
What type of attack can be performed using cisco-sa-anyconnect-dll-injec-pQnryXLf?
An authenticated, local attacker can perform a DLL injection attack using the vulnerability cisco-sa-anyconnect-dll-injec-pQnryXLf.
Do I need to be authenticated to exploit cisco-sa-anyconnect-dll-injec-pQnryXLf?
Yes, an attacker must be authenticated to exploit cisco-sa-anyconnect-dll-injec-pQnryXLf.
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