CVE-2020-1986: Secdo: Local authenticated users can cause Windows system crash
First published: Wed Apr 08 2020(Updated: )
Improper input validation vulnerability in Secdo allows an authenticated local user with 'create folders or append data' access to the root of the OS disk (C:\) to cause a system crash on every login. This issue affects all versions Secdo for Windows.
Credit: psirt@paloaltonetworks.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Palo Alto Networks Secdo | ||
| Microsoft Windows Operating System |
Remedy
This product is no longer supported and the issue will not be fixed. This issue can be easily mitigated by creating a "C:\proc" folder and not allowing unprivileged users to access to that folder, or ensuring unprivileged users do not have 'create folder' access to the root of a disk (C:\).
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2020-1986?
CVE-2020-1986 is considered to have a high severity due to its potential to cause system crashes.
How do I fix CVE-2020-1986?
To fix CVE-2020-1986, update to the latest version of Secdo provided by Palo Alto Networks.
Who is affected by CVE-2020-1986?
All authenticated local users with 'create folders or append data' access to the root of the OS disk on Windows are affected by CVE-2020-1986.
Can CVE-2020-1986 be exploited remotely?
CVE-2020-1986 cannot be exploited remotely as it requires local authentication to trigger the vulnerability.
What versions of Secdo are impacted by CVE-2020-1986?
All versions of Secdo for Windows are impacted by CVE-2020-1986.
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