diff options
| author | Awais Belal <awais_belal@mentor.com> | 2015-12-23 16:10:34 +0500 |
|---|---|---|
| committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2016-01-07 13:40:03 +0000 |
| commit | 7d0779b0133f253d06740653d8d1b8276dbcab7f (patch) | |
| tree | e383180cc35fe3de2ee4a07be4f27df965088883 /meta/recipes-bsp/grub/files | |
| parent | f95c327cb5ffc9374f84946fc64e840bb3febd23 (diff) | |
| download | openembedded-core-7d0779b0133f253d06740653d8d1b8276dbcab7f.tar.gz openembedded-core-7d0779b0133f253d06740653d8d1b8276dbcab7f.tar.bz2 openembedded-core-7d0779b0133f253d06740653d8d1b8276dbcab7f.zip | |
grub2: Fix CVE-2015-8370
http://git.savannah.gnu.org/cgit/grub.git/commit/?id=451d80e52d851432e109771bb8febafca7a5f1f2
Signed-off-by: Awais Belal <awais_belal@mentor.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Diffstat (limited to 'meta/recipes-bsp/grub/files')
| -rw-r--r-- | meta/recipes-bsp/grub/files/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/meta/recipes-bsp/grub/files/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch b/meta/recipes-bsp/grub/files/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch new file mode 100644 index 0000000000..f9252e9c22 --- /dev/null +++ b/meta/recipes-bsp/grub/files/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch @@ -0,0 +1,52 @@ +Upstream-Status: Accepted +Signed-off-by: Awais Belal <awais_belal@mentor.com> + +From 451d80e52d851432e109771bb8febafca7a5f1f2 Mon Sep 17 00:00:00 2001 +From: Hector Marco-Gisbert <hecmargi@upv.es> +Date: Wed, 16 Dec 2015 04:57:18 +0000 +Subject: 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> +--- +diff --git a/grub-core/lib/crypto.c b/grub-core/lib/crypto.c +index 010e550..683a8aa 100644 +--- a/grub-core/lib/crypto.c ++++ b/grub-core/lib/crypto.c +@@ -470,7 +470,8 @@ grub_password_get (char buf[], unsigned buf_size) + + if (key == '\b') + { +- cur_len--; ++ if (cur_len) ++ cur_len--; + continue; + } + +diff --git a/grub-core/normal/auth.c b/grub-core/normal/auth.c +index c6bd96e..8615c48 100644 +--- a/grub-core/normal/auth.c ++++ b/grub-core/normal/auth.c +@@ -174,8 +174,11 @@ grub_username_get (char buf[], unsigned buf_size) + + if (key == '\b') + { +- cur_len--; +- grub_printf ("\b"); ++ if (cur_len) ++ { ++ cur_len--; ++ grub_printf ("\b"); ++ } + continue; + } + +-- +cgit v0.9.0.2 |