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Fix another possible crash in rsa_ossl_mod_exp.

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Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3675)
(cherry picked from commit 5625567f9c7daaa2e2689647e10e4c5d7370718f)
This commit is contained in:
Bernd Edlinger 2017-06-13 22:08:03 +02:00 committed by Rich Salz
parent 48dd11a8c1
commit ded1b50f83
1 changed files with 2 additions and 0 deletions
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2
crypto/rsa/rsa_ossl.c
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@ -603,6 +603,8 @@ static int rsa_ossl_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)
r1 = BN_CTX_get(ctx);
m1 = BN_CTX_get(ctx);
vrfy = BN_CTX_get(ctx);
if (vrfy == NULL)
goto err;
{
BIGNUM *p = BN_new(), *q = BN_new();