From 04151456b9d896a7825a5ac77c0310c97fa5f650 Mon Sep 17 00:00:00 2001 From: Pauli Date: Mon, 8 Jul 2019 13:39:20 +1000 Subject: Avoid NULL pointer dereference. [manual merge from #9059 to 1.1.0] Fixes: #9043 Reviewed-by: Dmitry Belyavskiy (Merged from https://github.com/openssl/openssl/pull/9322) --- crypto/x509/t_req.c | 4 ++++ crypto/x509/x509_err.c | 3 ++- 2 files changed, 6 insertions(+), 1 deletion(-) (limited to 'crypto') diff --git a/crypto/x509/t_req.c b/crypto/x509/t_req.c index 77ce810835..3207dfaccc 100644 --- a/crypto/x509/t_req.c +++ b/crypto/x509/t_req.c @@ -125,6 +125,10 @@ 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; diff --git a/crypto/x509/x509_err.c b/crypto/x509/x509_err.c index 9f91188a76..e1a33645f5 100644 --- a/crypto/x509/x509_err.c +++ b/crypto/x509/x509_err.c @@ -1,6 +1,6 @@ /* * Generated by util/mkerr.pl DO NOT EDIT - * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy @@ -97,6 +97,7 @@ static ERR_STRING_DATA X509_str_reasons[] = { {ERR_REASON(X509_R_CRL_ALREADY_DELTA), "crl already delta"}, {ERR_REASON(X509_R_CRL_VERIFY_FAILURE), "crl verify failure"}, {ERR_REASON(X509_R_IDP_MISMATCH), "idp mismatch"}, + {ERR_REASON(X509_R_INVALID_ATTRIBUTES), "invalid attributes"}, {ERR_REASON(X509_R_INVALID_DIRECTORY), "invalid directory"}, {ERR_REASON(X509_R_INVALID_FIELD_NAME), "invalid field name"}, {ERR_REASON(X509_R_INVALID_TRUST), "invalid trust"}, -- cgit v1.2.3