CVE-2020-3153: Cisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path Vulnerability
First published: Wed Feb 19 2020(Updated: )
A vulnerability in the installer component of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated local attacker to copy user-supplied files to system level directories with system level privileges. The vulnerability is due to the incorrect handling of directory paths. An attacker could exploit this vulnerability by creating a malicious file and copying the file to a system directory. An exploit could allow the attacker to copy malicious files to arbitrary locations with system level privileges. This could include DLL pre-loading, DLL hijacking, and other related attacks. To exploit this vulnerability, the attacker needs valid credentials on the Windows system.
Credit: ykramarz@cisco.com ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Anyconnect Secure Mobility Client | <4.8.02042 | |
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Reference Links
- http://packetstormsecurity.com/files/157340/Cisco-AnyConnect-Secure-Mobility-Client-4.8.01090-Privilege-Escalation.html
- http://packetstormsecurity.com/files/158219/Cisco-AnyConnect-Path-Traversal-Privilege-Escalation.html
- http://packetstormsecurity.com/files/159420/Cisco-AnyConnect-Privilege-Escalation.html
- http://seclists.org/fulldisclosure/2020/Apr/43
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-win-path-traverse-qO4HWBsj
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-win-path-traverse-qO4HWBsj;
- https://nvd.nist.gov/vuln/detail/CVE-2020-3153
Frequently Asked Questions
What is CVE-2020-3153?
CVE-2020-3153 is a vulnerability in the Cisco AnyConnect Secure Mobility Client for Windows that allows for incorrect handling of directory paths, enabling an attacker to copy malicious files to arbitrary locations with system level privileges.
What is the impact of CVE-2020-3153?
The impact of CVE-2020-3153 is that an attacker with valid credentials on Windows can perform DLL pre-loading, DLL hijacking, and other attacks by copying malicious files to arbitrary locations with system level privileges.
How can an attacker exploit CVE-2020-3153?
An attacker with valid credentials on Windows can exploit CVE-2020-3153 by copying malicious files to arbitrary locations, leveraging system level privileges.
Is there a fix available for CVE-2020-3153?
Yes, Cisco has released a security advisory with mitigation instructions for CVE-2020-3153. Please refer to the advisory for specific instructions.
Where can I find more information about CVE-2020-3153?
You can find more information about CVE-2020-3153 in the Cisco Security Advisory linked in the references section.
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