Fix #262; null pointer dereference for GetAssertion on Windows 10 (#287)

kanidm · Mar 1, 2023 · 8cbe174 · 8cbe174
1 parent 5356504
commit 8cbe174
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/webauthn-authenticator-rs/src/win10/mod.rs b/webauthn-authenticator-rs/src/win10/mod.rs
@@ -318,7 +318,11 @@ impl AuthenticatorBackend for Win10 {
  .to_string()
  .map_err(|_| WebauthnCError::Internal)?;
 
- let mut extensions = native_to_assertion_extensions(&a.Extensions)?;
+ let mut extensions = if a.dwVersion >= 2 {
+ native_to_assertion_extensions(&a.Extensions)?
+ } else {
+ Default::default()
+ };
  extensions.appid = Some(app_id_used.into());
 
  Ok(PublicKeyCredential {