aboutsummaryrefslogtreecommitdiff
path: root/gnu/packages/patches/spice-CVE-2016-9578-1.patch
diff options
context:
space:
mode:
authorMarius Bakke <mbakke@fastmail.com>2017-02-11 19:12:10 +0100
committerMarius Bakke <mbakke@fastmail.com>2017-02-11 20:12:41 +0100
commitae953ead0faf115e5d16f15b48a3c2316228a8f7 (patch)
treee7cf8a2ce68ffa6a02de5aff82e44e50cae1f254 /gnu/packages/patches/spice-CVE-2016-9578-1.patch
parentdcb550e5994de3bf72d196de8f237b758535bf67 (diff)
downloadguix-ae953ead0faf115e5d16f15b48a3c2316228a8f7.tar
guix-ae953ead0faf115e5d16f15b48a3c2316228a8f7.tar.gz
gnu: spice: Fix CVE-2016-9577 and CVE-2016-9578.
* gnu/packages/patches/spice-CVE-2016-9577.patch, gnu/packages/patches/spice-CVE-2016-9578-1.patch, gnu/packages/patches/spice-CVE-2016-9578-2.patch: New files. * gnu/local.mk (dist_patch_DATA): Register them. * gnu/packages/spice.scm (spice)[source]: Use them.
Diffstat (limited to 'gnu/packages/patches/spice-CVE-2016-9578-1.patch')
-rw-r--r--gnu/packages/patches/spice-CVE-2016-9578-1.patch33
1 files changed, 33 insertions, 0 deletions
diff --git a/gnu/packages/patches/spice-CVE-2016-9578-1.patch b/gnu/packages/patches/spice-CVE-2016-9578-1.patch
new file mode 100644
index 0000000000..f86cdb4eb1
--- /dev/null
+++ b/gnu/packages/patches/spice-CVE-2016-9578-1.patch
@@ -0,0 +1,33 @@
+Prevent possible DoS during protocol handshake.
+
+https://bugzilla.redhat.com/show_bug.cgi?id=1399566
+https://access.redhat.com/security/cve/CVE-2016-9578
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9578
+https://security-tracker.debian.org/tracker/CVE-2016-9578
+
+Patch copied from upstream source repository:
+
+https://cgit.freedesktop.org/spice/spice/commit/?h=0.12&id=f66dc643635518e53dfbe5262f814a64eec54e4a
+
+From 1c6517973095a67c8cb57f3550fc1298404ab556 Mon Sep 17 00:00:00 2001
+From: Frediano Ziglio <fziglio@redhat.com>
+Date: Tue, 13 Dec 2016 14:39:48 +0000
+Subject: Prevent possible DoS attempts during protocol handshake
+
+diff --git a/server/reds.c b/server/reds.c
+index f40b65c..86a33d5 100644
+--- a/server/reds.c
++++ b/server/reds.c
+@@ -2202,7 +2202,8 @@ static void reds_handle_read_header_done(void *opaque)
+
+ reds->peer_minor_version = header->minor_version;
+
+- if (header->size < sizeof(SpiceLinkMess)) {
++ /* the check for 4096 is to avoid clients to cause arbitrary big memory allocations */
++ if (header->size < sizeof(SpiceLinkMess) || header->size > 4096) {
+ reds_send_link_error(link, SPICE_LINK_ERR_INVALID_DATA);
+ spice_warning("bad size %u", header->size);
+ reds_link_free(link);
+--
+cgit v0.10.2
+