[oe-commits] [openembedded-core] 03/24: ruby: fix CVE-2017-9224

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit 9db907a0bd331c47c4882b82f9f1d2a7ef1f6d1f
Author: Joe Slater <jslater at windriver.com>
AuthorDate: Wed Aug 16 14:46:11 2017 -0700

    ruby: fix CVE-2017-9224
    
    Use DATA_ENSURE(1) before access.
    
    Signed-off-by: Joe Slater <jslater at windriver.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 .../ruby/ruby/ruby-CVE-2017-9224.patch             | 41 ++++++++++++++++++++++
 meta/recipes-devtools/ruby/ruby_2.4.1.bb           |  4 +++
 2 files changed, 45 insertions(+)

diff --git a/meta/recipes-devtools/ruby/ruby/ruby-CVE-2017-9224.patch b/meta/recipes-devtools/ruby/ruby/ruby-CVE-2017-9224.patch
new file mode 100644
index 0000000..848139b
--- /dev/null
+++ b/meta/recipes-devtools/ruby/ruby/ruby-CVE-2017-9224.patch
@@ -0,0 +1,41 @@
+From 690313a061f7a4fa614ec5cc8368b4f2284e059b Mon Sep 17 00:00:00 2001
+From: "K.Kosako" <kosako at sofnec.co.jp>
+Date: Tue, 23 May 2017 10:28:58 +0900
+Subject: [PATCH] fix #57 : DATA_ENSURE() check must be before data access
+
+---
+ regexec.c |    5 -----
+ 1 file changed, 5 deletions(-)
+
+--- end of original header
+
+CVE: CVE-2017-9224
+
+Context modified so that patch applies for version 2.4.1.
+
+Upstream-Status: Pending
+Signed-off-by: Joe Slater <joe.slater at windriver.com>
+
+
+diff --git a/regexec.c b/regexec.c
+index 35fef11..d4e577d 100644
+--- a/regexec.c
++++ b/regexec.c
+@@ -1473,14 +1473,9 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
+       NEXT;
+
+     CASE(OP_EXACT1)  MOP_IN(OP_EXACT1);
+-#if 0
+       DATA_ENSURE(1);
+       if (*p != *s) goto fail;
+       p++; s++;
+-#endif
+-      if (*p != *s++) goto fail;
+-      DATA_ENSURE(0);
+-      p++;
+       MOP_OUT;
+       break;
+ 
+-- 
+1.7.9.5
+
diff --git a/meta/recipes-devtools/ruby/ruby_2.4.1.bb b/meta/recipes-devtools/ruby/ruby_2.4.1.bb
index 1d335f1..77e17f1 100644
--- a/meta/recipes-devtools/ruby/ruby_2.4.1.bb
+++ b/meta/recipes-devtools/ruby/ruby_2.4.1.bb
@@ -1,5 +1,9 @@
 require ruby.inc
 
+SRC_URI += " \
+           file://ruby-CVE-2017-9224.patch \
+           "
+
 SRC_URI[md5sum] = "782bca562e474dd25956dd0017d92677"
 SRC_URI[sha256sum] = "a330e10d5cb5e53b3a0078326c5731888bb55e32c4abfeb27d9e7f8e5d000250"
 

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