RT3774: double-free in DSA

Reviewed-by: N Matt Caswell <matt@openssl.org>

RT3774: double-free in DSA
Reviewed-by: N Matt Caswell <matt@openssl.org>
fa4629b6 · Martin Vejnar · Rich Salz · 5bb17d1b · fa4629b6
隐藏空白更改
内联并排

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crypto/dsa/dsa_ameth.c crypto/dsa/dsa_ameth.c +1 -0

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--- a/crypto/dsa/dsa_ameth.c
+++ b/crypto/dsa/dsa_ameth.c
@@ -321,6 +321,7 @@ static int dsa_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
    dplen = i2d_ASN1_INTEGER(prkey, &dp);

    ASN1_STRING_clear_free(prkey);
+    prkey = NULL;

    if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_dsa), 0,
                         V_ASN1_SEQUENCE, params, dp, dplen))