[oe-commits] [openembedded-core] 14/51: binutils: CVE-2017-7227

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rpurdie pushed a commit to branch morty
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commit 650a5b69c4ae7cf91d13993225877d0187bcb65e
Author: Thiruvadi Rajaraman <trajaraman at mvista.com>
AuthorDate: Mon Sep 4 14:03:42 2017 +0530

    binutils: CVE-2017-7227
    
    Source: git://sourceware.org/git/binutils-gdb.git
    MR: 74270
    Type: Security Fix
    Disposition: Backport from binutils-2_28-branch
    ChangeID: e4e88f56ba13671afb5b3194ca4c1c59601e5fd5
    Description:
    
    Fix seg-fault in linker when passed a bogus input script.
    
        PR ld/20906
        * ldlex.l: Check for bogus strings in linker scripts.
    
    Affects: <= 2.28
    
    Author: Nick Clifton <nickc at redhat.com>
    Signed-off-by: Thiruvadi Rajaraman <trajaraman at mvista.com>
    Reviewed-by: Armin Kuster <akuster at mvista.com>
    Signed-off-by: Armin Kuster <akuster at mvista.com>
    Signed-off-by: Armin Kuster <akuster808 at gmail.com>
---
 meta/recipes-devtools/binutils/binutils-2.27.inc   |  1 +
 .../binutils/binutils/CVE-2017-7227.patch          | 49 ++++++++++++++++++++++
 2 files changed, 50 insertions(+)

diff --git a/meta/recipes-devtools/binutils/binutils-2.27.inc b/meta/recipes-devtools/binutils/binutils-2.27.inc
index 4833552..54cdcc7 100644
--- a/meta/recipes-devtools/binutils/binutils-2.27.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.27.inc
@@ -62,6 +62,7 @@ SRC_URI = "\
      file://CVE-2017-7223.patch \
      file://CVE-2017-7224.patch \
      file://CVE-2017-7225.patch \
+     file://CVE-2017-7227.patch \
 "
 S  = "${WORKDIR}/git"
 
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-7227.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-7227.patch
new file mode 100644
index 0000000..1fa98e1
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-7227.patch
@@ -0,0 +1,49 @@
+commit 406bd128dba2a59d0736839fc87a59bce319076c
+Author: Nick Clifton <nickc at redhat.com>
+Date:   Mon Dec 5 16:00:43 2016 +0000
+
+    Fix seg-fault in linker when passed a bogus input script.
+    
+        PR ld/20906
+        * ldlex.l: Check for bogus strings in linker scripts.
+
+Upstream-Status: backport
+
+CVE: CVE-2017-7227
+Signed-off-by: Thiruvadi Rajaraman <trajaraman at mvista.com>
+
+Index: git/ld/ChangeLog
+===================================================================
+--- git.orig/ld/ChangeLog	2017-09-04 13:18:09.660584245 +0530
++++ git/ld/ChangeLog	2017-09-04 13:20:34.286155911 +0530
+@@ -1,3 +1,8 @@
++2016-12-05  Nick Clifton  <nickc at redhat.com>
++
++	PR ld/20906
++	* ldlex.l: Check for bogus strings in linker scripts.
++
+ 2016-08-02  Nick Clifton  <nickc at redhat.com>
+ 
+ 	PR ld/17739
+Index: git/ld/ldlex.l
+===================================================================
+--- git.orig/ld/ldlex.l	2017-09-04 13:18:09.692584605 +0530
++++ git/ld/ldlex.l	2017-09-04 13:22:54.483583368 +0530
+@@ -416,9 +416,15 @@
+ 
+ <EXPRESSION,BOTH,SCRIPT,VERS_NODE,INPUTLIST>"\""[^\"]*"\"" {
+ 					/* No matter the state, quotes
+-					   give what's inside */
++                                          give what's inside.  */
++                                        bfd_size_type len;
+ 					yylval.name = xstrdup (yytext + 1);
+-					yylval.name[yyleng - 2] = 0;
++                                        /* PR ld/20906.  A corrupt input file
++                                           can contain bogus strings.  */
++                                        len = strlen (yylval.name);
++                                        if (len > yyleng - 2)
++                                          len = yyleng - 2;
++                                        yylval.name[len] = 0;
+ 					return NAME;
+ 				}
+ <BOTH,SCRIPT,EXPRESSION>"\n"		{ lineno++;}

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