From 5b30e28eb45cb707afe73fa3d06d2ed9b56ff04f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tobias=20Nie=C3=9Fen?= <tniessen@tnie.de>
Date: Mon, 14 Mar 2022 20:15:17 +0100
Subject: [PATCH] src: check EC_POINT_get_affine_coordinates result

PR-URL: https://github.com/nodejs/node/pull/42304
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
---
 src/crypto/crypto_ec.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/crypto/crypto_ec.cc b/src/crypto/crypto_ec.cc
index 7f1ba4dbff6036..2d738bb9b62e11 100644
--- a/src/crypto/crypto_ec.cc
+++ b/src/crypto/crypto_ec.cc
@@ -733,7 +733,11 @@ Maybe<void> ExportJWKEcKey(
   BignumPointer x(BN_new());
   BignumPointer y(BN_new());
 
-  EC_POINT_get_affine_coordinates(group, pub, x.get(), y.get(), nullptr);
+  if (!EC_POINT_get_affine_coordinates(group, pub, x.get(), y.get(), nullptr)) {
+    ThrowCryptoError(env, ERR_get_error(),
+                     "Failed to get elliptic-curve point coordinates");
+    return Nothing<void>();
+  }
 
   if (target->Set(
           env->context(),