wolfssl: Backport fix for CVE-2021-3336

[librecmc/librecmc.git] / package / libs / wolfssl / patches / 010-CVE-2021-3336.patch

diff --git a/package/libs/wolfssl/patches/010-CVE-2021-3336.patch b/package/libs/wolfssl/patches/010-CVE-2021-3336.patch
new file mode 100644 (file)
index 0000000..abb9bfd
--- /dev/null
+++ b/package/libs/wolfssl/patches/010-CVE-2021-3336.patch
@@ -0,0 +1,53 @@
+From fad1e67677bf7797b6bd6e1f21a513c289d963a7 Mon Sep 17 00:00:00 2001
+From: Sean Parkinson <sean@wolfssl.com>
+Date: Thu, 21 Jan 2021 08:24:38 +1000
+Subject: [PATCH] TLS 1.3: ensure key for signature in CertificateVerify
+
+---
+ src/tls13.c | 18 +++++++++++++-----
+ 1 file changed, 13 insertions(+), 5 deletions(-)
+
+--- a/src/tls13.c
++++ b/src/tls13.c
+@@ -5624,28 +5624,36 @@ static int DoTls13CertificateVerify(WOLF
+         #ifdef HAVE_ED25519
+             if (args->sigAlgo == ed25519_sa_algo &&
+                                                   !ssl->peerEd25519KeyPresent) {
+-                WOLFSSL_MSG("Oops, peer sent ED25519 key but not in verify");
++                WOLFSSL_MSG("Peer sent ED22519 sig but not ED22519 cert");
++                ret = SIG_VERIFY_E;
++                goto exit_dcv;
+             }
+         #endif
+         #ifdef HAVE_ED448
+             if (args->sigAlgo == ed448_sa_algo && !ssl->peerEd448KeyPresent) {
+-                WOLFSSL_MSG("Oops, peer sent ED448 key but not in verify");
++                WOLFSSL_MSG("Peer sent ED448 sig but not ED448 cert");
++                ret = SIG_VERIFY_E;
++                goto exit_dcv;
+             }
+         #endif
+         #ifdef HAVE_ECC
+             if (args->sigAlgo == ecc_dsa_sa_algo &&
+                                                    !ssl->peerEccDsaKeyPresent) {
+-                WOLFSSL_MSG("Oops, peer sent ECC key but not in verify");
++                WOLFSSL_MSG("Peer sent ECC sig but not ECC cert");
++                ret = SIG_VERIFY_E;
++                goto exit_dcv;
+             }
+         #endif
+         #ifndef NO_RSA
+             if (args->sigAlgo == rsa_sa_algo) {
+-                WOLFSSL_MSG("Oops, peer sent PKCS#1.5 signature");
++                WOLFSSL_MSG("Peer sent PKCS#1.5 algo but not in certificate");
+                 ERROR_OUT(INVALID_PARAMETER, exit_dcv);
+             }
+             if (args->sigAlgo == rsa_pss_sa_algo &&
+                          (ssl->peerRsaKey == NULL || !ssl->peerRsaKeyPresent)) {
+-                WOLFSSL_MSG("Oops, peer sent RSA key but not in verify");
++                WOLFSSL_MSG("Peer sent RSA sig but not RSA cert");
++                ret = SIG_VERIFY_E;
++                goto exit_dcv;
+             }
+         #endif
+