diff options
| author | Joel Sing <jsing@cvs.openbsd.org> | 2019-10-31 12:32:49 +0000 |
|---|---|---|
| committer | Joel Sing <jsing@cvs.openbsd.org> | 2019-10-31 12:32:49 +0000 |
| commit | e74b0e424426ca73d4774d14aae25753255a18aa (patch) | |
| tree | 1dd053c18df03b8f7c769c05ac74062959fc1b5f /lib/libcrypto | |
| parent | 02912c8bcc2b1e6e3a3acdc4b299d3a785cb9c42 (diff) | |
Avoid potentially leaking pub_exp in pkey_rsa_copy().
ok inoguchi@
Diffstat (limited to 'lib/libcrypto')
| -rw-r--r-- | lib/libcrypto/rsa/rsa_pmeth.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/libcrypto/rsa/rsa_pmeth.c b/lib/libcrypto/rsa/rsa_pmeth.c index 78f6532a5f3..fd567658c21 100644 --- a/lib/libcrypto/rsa/rsa_pmeth.c +++ b/lib/libcrypto/rsa/rsa_pmeth.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rsa_pmeth.c,v 1.24 2019/10/29 08:52:02 jsing Exp $ */ +/* $OpenBSD: rsa_pmeth.c,v 1.25 2019/10/31 12:32:48 jsing Exp $ */ /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL * project 2006. */ @@ -127,9 +127,9 @@ pkey_rsa_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src) sctx = src->data; dctx = dst->data; dctx->nbits = sctx->nbits; - if (sctx->pub_exp) { - dctx->pub_exp = BN_dup(sctx->pub_exp); - if (!dctx->pub_exp) + if (sctx->pub_exp != NULL) { + BN_free(dctx->pub_exp); + if ((dctx->pub_exp = BN_dup(sctx->pub_exp)) == NULL) return 0; } dctx->pad_mode = sctx->pad_mode; |