diff options
Diffstat (limited to 'resources/grub/patch/secfix')
| -rw-r--r-- | resources/grub/patch/secfix/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/resources/grub/patch/secfix/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch b/resources/grub/patch/secfix/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch new file mode 100644 index 00000000..5701b547 --- /dev/null +++ b/resources/grub/patch/secfix/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch @@ -0,0 +1,45 @@ +From 88c9657960a6c5d3673a25c266781e876c181add Mon Sep 17 00:00:00 2001 +From: Hector Marco-Gisbert <hecmargi@upv.es> +Date: Fri, 13 Nov 2015 16:21:09 +0100 +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 + +Signed-off-by: Hector Marco-Gisbert <hecmargi@upv.es> +Signed-off-by: Ismael Ripoll-Ripoll <iripoll@disca.upv.es> +--- + grub-core/lib/crypto.c | 2 +- + grub-core/normal/auth.c | 2 +- + 2 files changed, 2 insertions(+), 2 deletions(-) + +diff --git a/grub-core/lib/crypto.c b/grub-core/lib/crypto.c +index 010e550..524a3d8 100644 +--- a/grub-core/lib/crypto.c ++++ b/grub-core/lib/crypto.c +@@ -468,7 +468,7 @@ grub_password_get (char buf[], unsigned buf_size) + break; + } + +- if (key == '\b') ++ if (key == '\b' && cur_len) + { + cur_len--; + continue; +diff --git a/grub-core/normal/auth.c b/grub-core/normal/auth.c +index c6bd96e..5782ec5 100644 +--- a/grub-core/normal/auth.c ++++ b/grub-core/normal/auth.c +@@ -172,7 +172,7 @@ grub_username_get (char buf[], unsigned buf_size) + break; + } + +- if (key == '\b') ++ if (key == '\b' && cur_len) + { + cur_len--; + grub_printf ("\b"); +-- +1.9.1 + |