Description: This vulnerability allows arbitrary commands to be executed when opening a crafted URI in Amazon AWS WorkSpaces client.
Versions Affected: < 3.1.9
Researcher: David Yesland @daveysec (https://twitter.com/daveysec)
Disclosure Link: https://rhinosecuritylabs.com/aws/cve-2021-38112-aws-workspaces-rce/
NIST CVE Link: https://nvd.nist.gov/vuln/detail/CVE-2021-38112
When a user opens the HTML page with the attackers valid WorkSpace registration code, they are redirected to the crafted URI which will launch calc.exe upon the WorkSpaces client opening.
Create a valid WorkSpaces registration code in AWS AD and open the HTML file. Enter to code and click the button.