Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade org.eclipse.jetty.ee9:jetty-ee9-servlets
to version 12.0.0-beta2 or higher.
Affected versions of this package are vulnerable to Arbitrary Code Execution. If a user sends a request to a org.eclipse.jetty.servlets.CGI
Servlet for a binary with a space in its name, the servlet will escape the command by wrapping it in quotation marks.
Impact:
This behavior may bypass alias checks, and it may cause other unintended behaviors if a command prefix is configured.
Note:
In Jetty 9.x, 10.x, and 11.x the org.eclipse.jetty.servlets.CGI
has been deprecated.
In Jetty 12 (all environments) the org.eclipse.jetty.servlets.CGI
has been entirely removed.
if (execCmd.length() > 0 && execCmd.charAt(0) != '"' && execCmd.contains(" "))
execCmd = "\"" + execCmd + "\"";