diff options
| author | Dmitry Belyavskiy <beldmit@gmail.com> | 2019-07-08 20:14:50 +1000 |
|---|---|---|
| committer | Pauli <paul.dale@oracle.com> | 2019-07-08 20:14:50 +1000 |
| commit | 9fd6f7d1cd2a3c8e2bc69dcb8bde8406eb6c2623 (patch) | |
| tree | cd7726410703bff823246bc1363fc7a6471b0855 /crypto/x509/t_req.c | |
| parent | b97a28b19d606d6782622a14ae06831b231c94a4 (diff) | |
Avoid NULL pointer dereference. Fixes #9043.
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/9059)
Diffstat (limited to 'crypto/x509/t_req.c')
| -rw-r--r-- | crypto/x509/t_req.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/x509/t_req.c b/crypto/x509/t_req.c index 28157de7e3..8af6510bf5 100644 --- a/crypto/x509/t_req.c +++ b/crypto/x509/t_req.c @@ -127,6 +127,10 @@ int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags, if ((j = i2a_ASN1_OBJECT(bp, aobj)) > 0) { ii = 0; count = X509_ATTRIBUTE_count(a); + if (count == 0) { + X509err(X509_F_X509_REQ_PRINT_EX, X509_R_INVALID_ATTRIBUTES); + return 0; + } get_next: at = X509_ATTRIBUTE_get0_type(a, ii); type = at->type; |