[oe-commits] [openembedded-core] 25/35: patch: fix CVE-2018-6951

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rpurdie pushed a commit to branch rocko
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commit e628af83e8d00ed3e3db318b323a9f5e48d35aae
Author: Jackie Huang <jackie.huang at windriver.com>
AuthorDate: Wed Apr 11 14:56:09 2018 +0800

    patch: fix CVE-2018-6951
    
    * CVE detail: https://nvd.nist.gov/vuln/detail/CVE-2018-6951
    
    * upstream tracking: http://savannah.gnu.org/bugs/?53132
    
    * Fix segfault with mangled rename patch
      - src/pch.c (intuit_diff_type): Ensure that two filenames are specified
        for renames and copies (fix the existing check).
    
    (From OE-Core rev: cdf74e1c67698b2d44a7460ff7d365d6da7b7b96)
    
    Signed-off-by: Jackie Huang <jackie.huang at windriver.com>
    Signed-off-by: Ross Burton <ross.burton at intel.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
    Signed-off-by: Armin Kuster <akuster at mvista.com>
---
 ...02-Fix-segfault-with-mangled-rename-patch.patch | 35 ++++++++++++++++++++++
 meta/recipes-devtools/patch/patch_2.7.6.bb         |  4 ++-
 2 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/meta/recipes-devtools/patch/patch/0002-Fix-segfault-with-mangled-rename-patch.patch b/meta/recipes-devtools/patch/patch/0002-Fix-segfault-with-mangled-rename-patch.patch
new file mode 100644
index 0000000..b0bd6fa
--- /dev/null
+++ b/meta/recipes-devtools/patch/patch/0002-Fix-segfault-with-mangled-rename-patch.patch
@@ -0,0 +1,35 @@
+From f290f48a621867084884bfff87f8093c15195e6a Mon Sep 17 00:00:00 2001
+From: Andreas Gruenbacher <agruen at gnu.org>
+Date: Mon, 12 Feb 2018 16:48:24 +0100
+Subject: [PATCH] Fix segfault with mangled rename patch
+
+http://savannah.gnu.org/bugs/?53132
+* src/pch.c (intuit_diff_type): Ensure that two filenames are specified
+for renames and copies (fix the existing check).
+
+Upstream-Status: Backport [http://git.savannah.gnu.org/cgit/patch.git/commit/?id=f290f48a621867084884bfff87f8093c15195e6a]
+CVE: CVE-2018-6951
+
+Signed-off-by: Jackie Huang <jackie.huang at windriver.com>
+
+---
+ src/pch.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/pch.c b/src/pch.c
+index ff9ed2c..bc6278c 100644
+--- a/src/pch.c
++++ b/src/pch.c
+@@ -974,7 +974,8 @@ intuit_diff_type (bool need_header, mode_t *p_file_type)
+     if ((pch_rename () || pch_copy ())
+ 	&& ! inname
+ 	&& ! ((i == OLD || i == NEW) &&
+-	      p_name[! reverse] &&
++	      p_name[reverse] && p_name[! reverse] &&
++	      name_is_valid (p_name[reverse]) &&
+ 	      name_is_valid (p_name[! reverse])))
+       {
+ 	say ("Cannot %s file without two valid file names\n", pch_rename () ? "rename" : "copy");
+-- 
+2.7.4
+
diff --git a/meta/recipes-devtools/patch/patch_2.7.6.bb b/meta/recipes-devtools/patch/patch_2.7.6.bb
index 576a2ac..19ddf34 100644
--- a/meta/recipes-devtools/patch/patch_2.7.6.bb
+++ b/meta/recipes-devtools/patch/patch_2.7.6.bb
@@ -1,7 +1,9 @@
 require patch.inc
 LICENSE = "GPLv3"
 
-SRC_URI += "file://0001-Unset-need_charset_alias-when-building-for-musl.patch"
+SRC_URI += "file://0001-Unset-need_charset_alias-when-building-for-musl.patch \
+            file://0002-Fix-segfault-with-mangled-rename-patch.patch \
+"
 
 SRC_URI[md5sum] = "4c68cee989d83c87b00a3860bcd05600"
 SRC_URI[sha256sum] = "8cf86e00ad3aaa6d26aca30640e86b0e3e1f395ed99f189b06d4c9f74bc58a4e"

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