3 results · Feed
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Low —
s2n-tls has undefined behavior at process exit
### Impact s2n-tls uses the Linux atexit function to register functions that clean up the global state when the process exits. In multi-threaded environments, the atexit handler may clean up state which is still in use by other threads. When this occurs, the …
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Medium 4.8
s2n-tls's mTLS API ordering may skip client authentication
### Impact An API ordering issue in s2n-tls can cause client authentication to unexpectedly not be enabled on the server when it otherwise appears to be. Server applications are impacted if client authentication is enabled by calling s2n_connection_set_config…
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Low —
s2n-tls has a potentially observable differences in RSA premaster secret handling
When receiving a message from a client that sent an invalid RSA premaster secret, an issue in s2n-tls results in the server performing additional processing when the premaster secret contains an incorrect client hello version. While no practical attack on s2n…