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merge revision(s) 55175: [Backport #12428]

* ext/openssl/ossl_pkey_dh.c (ossl_dh_compute_key): Check that the DH
	  has 'p' (the prime) before calling DH_size(). We can create a DH with
	  no parameter but DH_size() does not check and dereferences NULL.
	  [ruby-core:75720] [Bug #12428]

	* ext/openssl/ossl_pkey_dsa.c (ossl_dsa_sign): Ditto. DSA_size() does
	  not check dsa->q.

	* ext/openssl/ossl_pkey_rsa.c (ossl_rsa_public_encrypt,
	  ossl_rsa_public_decrypt, ossl_rsa_private_encrypt,
	  ossl_rsa_private_decrypt): Ditto. RSA_size() does not check rsa->n.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@55904 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nagachika 2016-08-15 18:49:32 +00:00
parent 83dc591546
commit 243d224f28
5 changed files with 33 additions and 10 deletions

View file

@ -1,3 +1,17 @@
Tue Aug 16 03:41:21 2016 Kazuki Yamaguchi <k@rhe.jp>
* ext/openssl/ossl_pkey_dh.c (ossl_dh_compute_key): Check that the DH
has 'p' (the prime) before calling DH_size(). We can create a DH with
no parameter but DH_size() does not check and dereferences NULL.
[ruby-core:75720] [Bug #12428]
* ext/openssl/ossl_pkey_dsa.c (ossl_dsa_sign): Ditto. DSA_size() does
not check dsa->q.
* ext/openssl/ossl_pkey_rsa.c (ossl_rsa_public_encrypt,
ossl_rsa_public_decrypt, ossl_rsa_private_encrypt,
ossl_rsa_private_decrypt): Ditto. RSA_size() does not check rsa->n.
Tue Aug 16 03:10:42 2016 Nobuyoshi Nakada <nobu@ruby-lang.org>
* transcode.c (enc_arg, str_transcode_enc_args, econv_args):

View file

@ -506,6 +506,8 @@ ossl_dh_compute_key(VALUE self, VALUE pub)
GetPKeyDH(self, pkey);
dh = pkey->pkey.dh;
if (!dh->p)
ossl_raise(eDHError, "incomplete DH");
pub_key = GetBNPtr(pub);
len = DH_size(dh);
str = rb_str_new(0, len);

View file

@ -498,10 +498,11 @@ ossl_dsa_sign(VALUE self, VALUE data)
VALUE str;
GetPKeyDSA(self, pkey);
StringValue(data);
if (!DSA_PRIVATE(self, pkey->pkey.dsa)) {
if (!pkey->pkey.dsa->q)
ossl_raise(eDSAError, "incomplete DSA");
if (!DSA_PRIVATE(self, pkey->pkey.dsa))
ossl_raise(eDSAError, "Private DSA key needed!");
}
StringValue(data);
str = rb_str_new(0, ossl_dsa_buf_size(pkey));
if (!DSA_sign(0, (unsigned char *)RSTRING_PTR(data), RSTRING_LENINT(data),
(unsigned char *)RSTRING_PTR(str),

View file

@ -391,6 +391,8 @@ ossl_rsa_public_encrypt(int argc, VALUE *argv, VALUE self)
VALUE str, buffer, padding;
GetPKeyRSA(self, pkey);
if (!pkey->pkey.rsa->n)
ossl_raise(eRSAError, "incomplete RSA");
rb_scan_args(argc, argv, "11", &buffer, &padding);
pad = (argc == 1) ? RSA_PKCS1_PADDING : NUM2INT(padding);
StringValue(buffer);
@ -420,6 +422,8 @@ ossl_rsa_public_decrypt(int argc, VALUE *argv, VALUE self)
VALUE str, buffer, padding;
GetPKeyRSA(self, pkey);
if (!pkey->pkey.rsa->n)
ossl_raise(eRSAError, "incomplete RSA");
rb_scan_args(argc, argv, "11", &buffer, &padding);
pad = (argc == 1) ? RSA_PKCS1_PADDING : NUM2INT(padding);
StringValue(buffer);
@ -449,9 +453,10 @@ ossl_rsa_private_encrypt(int argc, VALUE *argv, VALUE self)
VALUE str, buffer, padding;
GetPKeyRSA(self, pkey);
if (!RSA_PRIVATE(self, pkey->pkey.rsa)) {
ossl_raise(eRSAError, "private key needed.");
}
if (!pkey->pkey.rsa->n)
ossl_raise(eRSAError, "incomplete RSA");
if (!RSA_PRIVATE(self, pkey->pkey.rsa))
ossl_raise(eRSAError, "private key needed");
rb_scan_args(argc, argv, "11", &buffer, &padding);
pad = (argc == 1) ? RSA_PKCS1_PADDING : NUM2INT(padding);
StringValue(buffer);
@ -481,9 +486,10 @@ ossl_rsa_private_decrypt(int argc, VALUE *argv, VALUE self)
VALUE str, buffer, padding;
GetPKeyRSA(self, pkey);
if (!RSA_PRIVATE(self, pkey->pkey.rsa)) {
ossl_raise(eRSAError, "private key needed.");
}
if (!pkey->pkey.rsa->n)
ossl_raise(eRSAError, "incomplete RSA");
if (!RSA_PRIVATE(self, pkey->pkey.rsa))
ossl_raise(eRSAError, "private key needed");
rb_scan_args(argc, argv, "11", &buffer, &padding);
pad = (argc == 1) ? RSA_PKCS1_PADDING : NUM2INT(padding);
StringValue(buffer);

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@ -1,6 +1,6 @@
#define RUBY_VERSION "2.3.2"
#define RUBY_RELEASE_DATE "2016-08-16"
#define RUBY_PATCHLEVEL 154
#define RUBY_PATCHLEVEL 155
#define RUBY_RELEASE_YEAR 2016
#define RUBY_RELEASE_MONTH 8