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Fix an error path leak in do_ext_nconf()

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Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 8605abf135)
This commit is contained in:
Matt Caswell 2016-06-10 15:30:09 +01:00
parent f6186cfba6
commit 4457017587
1 changed files with 3 additions and 1 deletions
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4
crypto/x509v3/v3_conf.c
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@ -135,11 +135,13 @@ static X509_EXTENSION *do_ext_nconf(CONF *conf, X509V3_CTX *ctx, int ext_nid,
nval = NCONF_get_section(conf, value + 1);
else
nval = X509V3_parse_list(value);
if (sk_CONF_VALUE_num(nval) <= 0) {
if (nval == NULL || sk_CONF_VALUE_num(nval) <= 0) {
X509V3err(X509V3_F_DO_EXT_NCONF,
X509V3_R_INVALID_EXTENSION_STRING);
ERR_add_error_data(4, "name=", OBJ_nid2sn(ext_nid), ",section=",
value);
if (*value != '@')
sk_CONF_VALUE_free(nval);
return NULL;
}
ext_struc = method->v2i(method, ctx, nval);