diff options
Diffstat (limited to 'yocto-poky/meta/recipes-bsp/grub/files/CVE-2015-8370.patch')
| -rw-r--r-- | yocto-poky/meta/recipes-bsp/grub/files/CVE-2015-8370.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/yocto-poky/meta/recipes-bsp/grub/files/CVE-2015-8370.patch b/yocto-poky/meta/recipes-bsp/grub/files/CVE-2015-8370.patch new file mode 100644 index 000000000..78f514e03 --- /dev/null +++ b/yocto-poky/meta/recipes-bsp/grub/files/CVE-2015-8370.patch @@ -0,0 +1,59 @@ +From 451d80e52d851432e109771bb8febafca7a5f1f2 Mon Sep 17 00:00:00 2001 +From: Hector Marco-Gisbert <hecmargi@upv.es> +Date: Wed, 16 Dec 2015 07:57:18 +0300 +Subject: [PATCH] Fix security issue when reading username and password + +This patch fixes two integer underflows at: + * grub-core/lib/crypto.c + * grub-core/normal/auth.c + +CVE-2015-8370 + +Signed-off-by: Hector Marco-Gisbert <hecmargi@upv.es> +Signed-off-by: Ismael Ripoll-Ripoll <iripoll@disca.upv.es> +Also-By: Andrey Borzenkov <arvidjaar@gmail.com> + +Upstream-Status: Backport + +http://git.savannah.gnu.org/cgit/grub.git/commit/?id=451d80e52d851432e109771bb8febafca7a5f1f2 + +CVE: CVE-2015-8370 +Signed-off-by: Armin Kuster <akuster@mvista.com> + +--- + grub-core/lib/crypto.c | 3 ++- + grub-core/normal/auth.c | 7 +++++-- + 2 files changed, 7 insertions(+), 3 deletions(-) + +Index: git/grub-core/lib/crypto.c +=================================================================== +--- git.orig/grub-core/lib/crypto.c ++++ git/grub-core/lib/crypto.c +@@ -458,7 +458,8 @@ grub_password_get (char buf[], unsigned + + if (key == '\b') + { +- cur_len--; ++ if (cur_len) ++ cur_len--; + continue; + } + +Index: git/grub-core/normal/auth.c +=================================================================== +--- git.orig/grub-core/normal/auth.c ++++ git/grub-core/normal/auth.c +@@ -174,8 +174,11 @@ grub_username_get (char buf[], unsigned + + if (key == '\b') + { +- cur_len--; +- grub_printf ("\b"); ++ if (cur_len) ++ { ++ cur_len--; ++ grub_printf ("\b"); ++ } + continue; + } + |