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authorLeo Famulari <leo@famulari.name>2015-12-19 18:18:43 -0500
committerLeo Famulari <leo@famulari.name>2015-12-21 12:33:55 -0500
commitf0150f8724f09fa650a0cbb66d3ef5a8a99804c4 (patch)
tree44d2541c13b90e85120928a6e87ea2f6e0c40510 /gnu/packages/patches
parente2cd1d0fb918b55a1ab16271fac758b260057030 (diff)
downloadguix-f0150f8724f09fa650a0cbb66d3ef5a8a99804c4.tar
guix-f0150f8724f09fa650a0cbb66d3ef5a8a99804c4.tar.gz
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.
Diffstat (limited to 'gnu/packages/patches')
-rw-r--r--gnu/packages/patches/grub-CVE-2015-8370.patch45
1 files changed, 45 insertions, 0 deletions
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 <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
+