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.
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsUpgrade asyncssh
to version 2.14.1 or higher.
Affected versions of this package are vulnerable to Improper Validation of Integrity Check Value. An attacker can exploit an implementation flaw in the AsyncSSH implementation to inject an extension info message chosen by the attacker and delete the original extension info message, effectively replacing it.
Note:
AsyncSSH supports the server-sig-algs
and global-requests-ok
extensions. Hence, the attacker can downgrade the algorithm used for client authentication by meddling with the value of server-sig-algs
.