From: Dr. Stephen Henson <steve@openssl.org>
Date: Wed, 15 Oct 2014 00:53:55 +0000 (+0100)
Subject: Fix for session tickets memory leak.
X-Git-Tag: OpenSSL_1_0_1j~4
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=7fd4ce6a997be5f5c9e744ac527725c2850de203;p=oweals%2Fopenssl.git

Fix for session tickets memory leak.

CVE-2014-3567

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 5dc6070a03779cd524f0e67f76c945cb0ac38320)
---

diff --git a/ssl/t1_lib.c b/ssl/t1_lib.c
index 12ee3c9a10..d6aff4b682 100644
--- a/ssl/t1_lib.c
+++ b/ssl/t1_lib.c
@@ -2348,7 +2348,10 @@ static int tls_decrypt_ticket(SSL *s, const unsigned char *etick, int eticklen,
 	HMAC_Final(&hctx, tick_hmac, NULL);
 	HMAC_CTX_cleanup(&hctx);
 	if (CRYPTO_memcmp(tick_hmac, etick + eticklen, mlen))
+		{
+		EVP_CIPHER_CTX_cleanup(&ctx);
 		return 2;
+		}
 	/* Attempt to decrypt session data */
 	/* Move p after IV to start of encrypted ticket, update length */
 	p = etick + 16 + EVP_CIPHER_CTX_iv_length(&ctx);