From f0150f8724f09fa650a0cbb66d3ef5a8a99804c4 Mon Sep 17 00:00:00 2001 From: Leo Famulari Date: Sat, 19 Dec 2015 18:18:43 -0500 Subject: gnu: grub: Add fix for CVE-2015-8730. * gnu/packages/patches/grub-CVE-2015-8370.patch: New file. * gnu-system.am (dist_patch_DATA): Register patch. * gnu/packages/grub.scm: Apply patch. --- gnu-system.am | 1 + gnu/packages/grub.scm | 4 ++- gnu/packages/patches/grub-CVE-2015-8370.patch | 45 +++++++++++++++++++++++++++ 3 files changed, 49 insertions(+), 1 deletion(-) create mode 100644 gnu/packages/patches/grub-CVE-2015-8370.patch diff --git a/gnu-system.am b/gnu-system.am index 3c8f402fa6..df177b62d5 100644 --- a/gnu-system.am +++ b/gnu-system.am @@ -497,6 +497,7 @@ dist_patch_DATA = \ gnu/packages/patches/gobject-introspection-cc.patch \ gnu/packages/patches/gobject-introspection-girepository.patch \ gnu/packages/patches/grep-CVE-2015-1345.patch \ + gnu/packages/patches/grub-CVE-2015-8370.patch \ gnu/packages/patches/grub-gets-undeclared.patch \ gnu/packages/patches/grub-freetype.patch \ gnu/packages/patches/guile-1.8-cpp-4.5.patch \ diff --git a/gnu/packages/grub.scm b/gnu/packages/grub.scm index 79fc2f0aca..96d284c108 100644 --- a/gnu/packages/grub.scm +++ b/gnu/packages/grub.scm @@ -1,6 +1,7 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2013, 2014, 2015 Ludovic Courtès ;;; Copyright © 2015 Mark H Weaver +;;; Copyright © 2015 Leo Famulari ;;; ;;; This file is part of GNU Guix. ;;; @@ -83,7 +84,8 @@ (base32 "0n64hpmsccvicagvr0c6v0kgp2yw0kgnd3jvsyd26cnwgs7c6kkq")) (patches (list (search-patch "grub-gets-undeclared.patch") - (search-patch "grub-freetype.patch"))))) + (search-patch "grub-freetype.patch") + (search-patch "grub-CVE-2015-8370.patch"))))) (build-system gnu-build-system) (arguments '(#:configure-flags '("--disable-werror") diff --git a/gnu/packages/patches/grub-CVE-2015-8370.patch b/gnu/packages/patches/grub-CVE-2015-8370.patch new file mode 100644 index 0000000000..5701b54759 --- /dev/null +++ b/gnu/packages/patches/grub-CVE-2015-8370.patch @@ -0,0 +1,45 @@ +From 88c9657960a6c5d3673a25c266781e876c181add Mon Sep 17 00:00:00 2001 +From: Hector Marco-Gisbert +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 +Signed-off-by: Ismael Ripoll-Ripoll +--- + 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 + -- cgit v1.2.3