glibc: CVE-2017-15670

Source: git://sourceware.org/git/glibc.git
MR: 76647
Type: Security Fix
Disposition: Backport from glibc-2.27
ChangeID: f4494e472d36748c2b3171a91640b26c638f6e0b
Description:

CVE-2017-15670: glob: Fix one-byte overflow [BZ #22320]
Affects: glibc < 2.27

(From OE-Core rev: 25bd45375fd90489a3d80955b2f0f7c800e9fc9a)

Signed-off-by: Thiruvadi Rajaraman <trajaraman@mvista.com>
Reviewed-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 39 insertions, 0 deletions

diff --git a/meta/recipes-core/glibc/glibc/CVE-2017-15670.patch b/meta/recipes-core/glibc/glibc/CVE-2017-15670.patch
new file mode 100644
index 0000000000..b606cc275f
--- /dev/null
+++ b/meta/recipes-core/glibc/glibc/CVE-2017-15670.patch
@@ -0,0 +1,38 @@
+commit a76376df7c07e577a9515c3faa5dbd50bda5da07
+Author: Paul Eggert <eggert@cs.ucla.edu>
+Date:   Fri Oct 20 18:41:14 2017 +0200
+
+    CVE-2017-15670: glob: Fix one-byte overflow [BZ #22320]
+    
+Upstream-Status: Backport
+
+CVE: CVE-2017-15670
+Signed-off-by: Thiruvadi Rajaraman <trajaraman@mvista.com>
+
+Index: git/ChangeLog
+===================================================================
+--- git.orig/ChangeLog  2017-11-16 18:12:32.457928327 +0530
++++ git/ChangeLog       2017-11-16 18:18:24.423642908 +0530
+@@ -1,3 +1,9 @@
++2017-10-20  Paul Eggert <eggert@cs.ucla.edu>
++
++       [BZ #22320]
++       CVE-2017-15670
++       * posix/glob.c (__glob): Fix one-byte overflow.
++
+ 2017-05-05  Florian Weimer  <fweimer@redhat.com>
+ 
+        [BZ #21461]
+Index: git/posix/glob.c
+===================================================================
+--- git.orig/posix/glob.c       2017-11-16 18:12:14.833843602 +0530
++++ git/posix/glob.c    2017-11-16 18:16:39.511127432 +0530
+@@ -856,7 +856,7 @@
+                  *p = '\0';
+                }
+              else
+-               *((char *) mempcpy (newp, dirname + 1, end_name - dirname))
++               *((char *) mempcpy (newp, dirname + 1, end_name - dirname - 1))
+                  = '\0';
+              user_name = newp;
+            }
diff --git a/meta/recipes-core/glibc/glibc_2.24.bb b/meta/recipes-core/glibc/glibc_2.24.bb
index 966be34405..6ea45857d2 100644
--- a/meta/recipes-core/glibc/glibc_2.24.bb
+++ b/meta/recipes-core/glibc/glibc_2.24.bb
@@ -57,6 +57,7 @@ SRC_URI += "\
            file://generate-supported.mk \
            file://0001-locale-fix-hard-coded-reference-to-gcc-E.patch \
            file://CVE-2017-8804.patch \
+           file://CVE-2017-15670.patch \
            "
 
 SRC_URI_append_class-nativesdk = "\