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authorA. Wilcox <AWilcox@Wilcox-Tech.com>2018-06-15 02:52:48 -0500
committerA. Wilcox <AWilcox@Wilcox-Tech.com>2018-06-15 02:52:48 -0500
commit18a65fbf51a803457ba63aceadd52cbb27fc6b7e (patch)
tree9232555eb030ede6dcc2cdb99c32ace0e7264eaf /system/openssl/3002-CVE-2018-0732.patch
parent847761ee92ded0fabdcbeb077045d8ce1a5d2899 (diff)
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system/openssl: [sec] bump to 1.0.2o
Diffstat (limited to 'system/openssl/3002-CVE-2018-0732.patch')
-rw-r--r--system/openssl/3002-CVE-2018-0732.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/system/openssl/3002-CVE-2018-0732.patch b/system/openssl/3002-CVE-2018-0732.patch
new file mode 100644
index 000000000..148e7c3bc
--- /dev/null
+++ b/system/openssl/3002-CVE-2018-0732.patch
@@ -0,0 +1,39 @@
+From 3984ef0b72831da8b3ece4745cac4f8575b19098 Mon Sep 17 00:00:00 2001
+From: Guido Vranken <guidovranken@gmail.com>
+Date: Mon, 11 Jun 2018 19:38:54 +0200
+Subject: [PATCH] Reject excessively large primes in DH key generation.
+
+CVE-2018-0732
+
+Signed-off-by: Guido Vranken <guidovranken@gmail.com>
+
+(cherry picked from commit 91f7361f47b082ae61ffe1a7b17bb2adf213c7fe)
+
+Reviewed-by: Tim Hudson <tjh@openssl.org>
+Reviewed-by: Matt Caswell <matt@openssl.org>
+(Merged from https://github.com/openssl/openssl/pull/6457)
+---
+ crypto/dh/dh_key.c | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/crypto/dh/dh_key.c b/crypto/dh/dh_key.c
+index 387558f1467..f235e0d682b 100644
+--- a/crypto/dh/dh_key.c
++++ b/crypto/dh/dh_key.c
+@@ -130,10 +130,15 @@ static int generate_key(DH *dh)
+ int ok = 0;
+ int generate_new_key = 0;
+ unsigned l;
+- BN_CTX *ctx;
++ BN_CTX *ctx = NULL;
+ BN_MONT_CTX *mont = NULL;
+ BIGNUM *pub_key = NULL, *priv_key = NULL;
+
++ if (BN_num_bits(dh->p) > OPENSSL_DH_MAX_MODULUS_BITS) {
++ DHerr(DH_F_GENERATE_KEY, DH_R_MODULUS_TOO_LARGE);
++ return 0;
++ }
++
+ ctx = BN_CTX_new();
+ if (ctx == NULL)
+ goto err;