diff options
Diffstat (limited to 'gnu/packages/patches/spice-CVE-2016-9578-1.patch')
| -rw-r--r-- | gnu/packages/patches/spice-CVE-2016-9578-1.patch | 33 |
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 + |