[OE-core] [PATCH] ruby: fix CVE-2019-16254

rahul chauhan rahulchauhankitps at gmail.com
Tue Feb 11 13:35:04 UTC 2020


Ok, thanks.

On Tue, Feb 11, 2020 at 7:04 PM Alexander Kanavin <alex.kanavin at gmail.com>
wrote:

> Either way is fine.
>
> Alex
>
> On Tue, 11 Feb 2020 at 14:28, rahul chauhan <rahulchauhankitps at gmail.com>
> wrote:
>
>> Thanks Alexander,
>>
>> For quick response,
>> should i resubmit this patch with --subject-prefix="zeus][PATCH"
>> or
>> should i submit the next patch version.
>>
>> On Tue, Feb 11, 2020 at 6:45 PM Alexander Kanavin <alex.kanavin at gmail.com>
>> wrote:
>>
>>> Yes. You should always specify the target branch in the subject if it is
>>> not for master.
>>>
>>> Alex
>>>
>>> On Tue, 11 Feb 2020 at 14:06, rahul chauhan <rahulchauhankitps at gmail.com>
>>> wrote:
>>>
>>>> Hi community members,
>>>>
>>>> This patch Fixes CVE-2019-16254 on zeus branch.
>>>> patch test failed, since I did not use --subject-prefix="zeus][PATCH"
>>>> at the time of patch submission to
>>>> openembedded-core at lists.openembedded.org.
>>>>
>>>> should i resubmit this patch with --subject-prefix="zeus][PATCH"
>>>> or
>>>> can anyone guide me what should do next in  this situation ?
>>>>
>>>> Thanks & Regards
>>>> Rahul Chauhan
>>>>
>>>> On Mon, Feb 10, 2020 at 11:47 PM Rahul Chauhan <
>>>> rahulchauhankitps at gmail.com> wrote:
>>>>
>>>>> Signed-off-by: Rahul Chauhan <rahulchauhankitps at gmail.com>
>>>>> ---
>>>>>  .../ruby/ruby/fix-CVE-2019-16254.patch             | 106
>>>>> +++++++++++++++++++++
>>>>>  meta/recipes-devtools/ruby/ruby_2.5.5.bb           |   1 +
>>>>>  2 files changed, 107 insertions(+)
>>>>>  create mode 100644
>>>>> meta/recipes-devtools/ruby/ruby/fix-CVE-2019-16254.patch
>>>>>
>>>>> diff --git a/meta/recipes-devtools/ruby/ruby/fix-CVE-2019-16254.patch
>>>>> b/meta/recipes-devtools/ruby/ruby/fix-CVE-2019-16254.patch
>>>>> new file mode 100644
>>>>> index 0000000..704c850
>>>>> --- /dev/null
>>>>> +++ b/meta/recipes-devtools/ruby/ruby/fix-CVE-2019-16254.patch
>>>>> @@ -0,0 +1,106 @@
>>>>> +From 18d5289b4579822e391b3f5c16541e6552e9f06c Mon Sep 17 00:00:00 2001
>>>>> +From: Yusuke Endoh <mame at ruby-lang.org>
>>>>> +Date: Tue, 1 Oct 2019 12:29:18 +0900
>>>>> +Subject: [PATCH] WEBrick: prevent response splitting and header
>>>>> injection
>>>>> +
>>>>> +This is a follow up to d9d4a28f1cdd05a0e8dabb36d747d40bbcc30f16.
>>>>> +The commit prevented CRLR, but did not address an isolated CR or an
>>>>> +isolated LF.
>>>>> +
>>>>> +Upstream-Status: Backport
>>>>> https://github.com/ruby/ruby/commit/3ce238b5f9795581eb84114dcfbdf4aa086bfecc
>>>>> +CVE: CVE-2019-16254
>>>>> +
>>>>> +Co-Authored-By: NARUSE, Yui <naruse at airemix.jp>
>>>>> +Signed-off-by: Rahul Chauhan <rahulchauhankitps at gmail.com>
>>>>> +---
>>>>> + lib/webrick/httpresponse.rb       |  3 ++-
>>>>> + test/webrick/test_httpresponse.rb | 46
>>>>> +++++++++++++++++++++++++++++++++++++--
>>>>> + 2 files changed, 46 insertions(+), 3 deletions(-)
>>>>> +
>>>>> +diff --git a/lib/webrick/httpresponse.rb b/lib/webrick/httpresponse.rb
>>>>> +index 6d77692..d26324c 100644
>>>>> +--- a/lib/webrick/httpresponse.rb
>>>>> ++++ b/lib/webrick/httpresponse.rb
>>>>> +@@ -367,7 +367,8 @@ def set_error(ex, backtrace=false)
>>>>> +     private
>>>>> +
>>>>> +     def check_header(header_value)
>>>>> +-      if header_value =~ /\r\n/
>>>>> ++      header_value = header_value.to_s
>>>>> ++      if /[\r\n]/ =~ header_value
>>>>> +         raise InvalidHeader
>>>>> +       else
>>>>> +         header_value
>>>>> +diff --git a/test/webrick/test_httpresponse.rb
>>>>> b/test/webrick/test_httpresponse.rb
>>>>> +index 6263e0a..24a6968 100644
>>>>> +--- a/test/webrick/test_httpresponse.rb
>>>>> ++++ b/test/webrick/test_httpresponse.rb
>>>>> +@@ -29,7 +29,7 @@ def setup
>>>>> +       @res.keep_alive  = true
>>>>> +     end
>>>>> +
>>>>> +-    def test_prevent_response_splitting_headers
>>>>> ++    def test_prevent_response_splitting_headers_crlf
>>>>> +       res['X-header'] = "malicious\r\nCookie: hack"
>>>>> +       io = StringIO.new
>>>>> +       res.send_response io
>>>>> +@@ -39,7 +39,7 @@ def test_prevent_response_splitting_headers
>>>>> +       refute_match 'hack', io.string
>>>>> +     end
>>>>> +
>>>>> +-    def test_prevent_response_splitting_cookie_headers
>>>>> ++    def test_prevent_response_splitting_cookie_headers_crlf
>>>>> +       user_input = "malicious\r\nCookie: hack"
>>>>> +       res.cookies << WEBrick::Cookie.new('author', user_input)
>>>>> +       io = StringIO.new
>>>>> +@@ -50,6 +50,48 @@ def test_prevent_response_splitting_cookie_headers
>>>>> +       refute_match 'hack', io.string
>>>>> +     end
>>>>> +
>>>>> ++    def test_prevent_response_splitting_headers_cr
>>>>> ++      res['X-header'] = "malicious\rCookie: hack"
>>>>> ++      io = StringIO.new
>>>>> ++      res.send_response io
>>>>> ++      io.rewind
>>>>> ++      res = Net::HTTPResponse.read_new(Net::BufferedIO.new(io))
>>>>> ++      assert_equal '500', res.code
>>>>> ++      refute_match 'hack', io.string
>>>>> ++    end
>>>>> ++
>>>>> ++    def test_prevent_response_splitting_cookie_headers_cr
>>>>> ++      user_input = "malicious\rCookie: hack"
>>>>> ++      res.cookies << WEBrick::Cookie.new('author', user_input)
>>>>> ++      io = StringIO.new
>>>>> ++      res.send_response io
>>>>> ++      io.rewind
>>>>> ++      res = Net::HTTPResponse.read_new(Net::BufferedIO.new(io))
>>>>> ++      assert_equal '500', res.code
>>>>> ++      refute_match 'hack', io.string
>>>>> ++    end
>>>>> ++
>>>>> ++    def test_prevent_response_splitting_headers_lf
>>>>> ++      res['X-header'] = "malicious\nCookie: hack"
>>>>> ++      io = StringIO.new
>>>>> ++      res.send_response io
>>>>> ++      io.rewind
>>>>> ++      res = Net::HTTPResponse.read_new(Net::BufferedIO.new(io))
>>>>> ++      assert_equal '500', res.code
>>>>> ++      refute_match 'hack', io.string
>>>>> ++    end
>>>>> ++
>>>>> ++    def test_prevent_response_splitting_cookie_headers_lf
>>>>> ++      user_input = "malicious\nCookie: hack"
>>>>> ++      res.cookies << WEBrick::Cookie.new('author', user_input)
>>>>> ++      io = StringIO.new
>>>>> ++      res.send_response io
>>>>> ++      io.rewind
>>>>> ++      res = Net::HTTPResponse.read_new(Net::BufferedIO.new(io))
>>>>> ++      assert_equal '500', res.code
>>>>> ++      refute_match 'hack', io.string
>>>>> ++    end
>>>>> ++
>>>>> +     def test_304_does_not_log_warning
>>>>> +       res.status      = 304
>>>>> +       res.setup_header
>>>>> +--
>>>>> +2.7.4
>>>>> diff --git a/meta/recipes-devtools/ruby/ruby_2.5.5.bb
>>>>> b/meta/recipes-devtools/ruby/ruby_2.5.5.bb
>>>>> index 223b037..58bb97f 100644
>>>>> --- a/meta/recipes-devtools/ruby/ruby_2.5.5.bb
>>>>> +++ b/meta/recipes-devtools/ruby/ruby_2.5.5.bb
>>>>> @@ -3,6 +3,7 @@ require ruby.inc
>>>>>  SRC_URI += " \
>>>>>
>>>>> file://0001-configure.ac-check-finite-isinf-isnan-as-macros-firs.patch \
>>>>>             file://run-ptest \
>>>>> +           file://fix-CVE-2019-16254.patch \
>>>>>             "
>>>>>
>>>>>  SRC_URI[md5sum] = "7e156fb526b8f4bb1b30a3dd8a7ce400"
>>>>> --
>>>>> 2.7.4
>>>>>
>>>>> --
>>>> _______________________________________________
>>>> Openembedded-core mailing list
>>>> Openembedded-core at lists.openembedded.org
>>>> http://lists.openembedded.org/mailman/listinfo/openembedded-core
>>>>
>>>
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