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authorRahul Chauhan <rahulchauhankitps@gmail.com>2020-02-11 19:13:08 +0530
committerAnuj Mittal <anuj.mittal@intel.com>2020-03-04 10:54:01 +0800
commit309f3713f97abe884566f67b4c8efce2a9c80ba6 (patch)
tree9389721c408428856939a89b6c2619461014058a
parentc78140941f8a98e013932023a63501ba3b7e975a (diff)
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ruby: fix CVE-2019-16254
Signed-off-by: Rahul Chauhan <rahulchauhankitps@gmail.com> Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
-rw-r--r--meta/recipes-devtools/ruby/ruby/fix-CVE-2019-16254.patch106
-rw-r--r--meta/recipes-devtools/ruby/ruby_2.5.5.bb1
2 files changed, 107 insertions, 0 deletions
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 00000000000..704c850c504
--- /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@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@airemix.jp>
+Signed-off-by: Rahul Chauhan <rahulchauhankitps@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 223b0371ebd..58bb97f4bd1 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"