mirror of
git://git.openwrt.org/openwrt/openwrt.git
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3fa0f32a68
* GCC 8 and 9 support. * Gnulib integration overhaul. * RISC-V support. * Xen PVH support. * Native UEFI secure boot support. * UEFI TPM driver. * New IEEE 1275 obdisk driver. * Btrfs RAID 5 and RIAD 6 support. * bootin from F2FS support. * PARTUUID support. * VLAN support. * Native DHCP support. * Many ARM and ARM64 fixes. * Many SPARC fixes. * Many IEEE 1275 fixes. * ...and tons of other fixes and cleanups... Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
41 lines
1.1 KiB
Diff
41 lines
1.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Hector Marco-Gisbert <hecmargi@upv.es>
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Date: Fri, 13 Nov 2015 16:21:09 +0100
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Subject: [PATCH] Fix security issue when reading username and password
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This patch fixes two integer underflows at:
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* grub-core/lib/crypto.c
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* grub-core/normal/auth.c
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Resolves: CVE-2015-8370
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Signed-off-by: Hector Marco-Gisbert <hecmargi@upv.es>
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Signed-off-by: Ismael Ripoll-Ripoll <iripoll@disca.upv.es>
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---
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grub-core/lib/crypto.c | 2 +-
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grub-core/normal/auth.c | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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--- a/grub-core/lib/crypto.c
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+++ b/grub-core/lib/crypto.c
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@@ -468,7 +468,7 @@ grub_password_get (char buf[], unsigned
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break;
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}
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- if (key == '\b')
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+ if (key == '\b' && cur_len)
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{
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if (cur_len)
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cur_len--;
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--- a/grub-core/normal/auth.c
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+++ b/grub-core/normal/auth.c
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@@ -172,7 +172,7 @@ grub_username_get (char buf[], unsigned
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break;
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}
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- if (key == GRUB_TERM_BACKSPACE)
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+ if (key == GRUB_TERM_BACKSPACE && cur_len)
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{
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if (cur_len)
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{
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