diff options
Diffstat (limited to 'main/spice/CVE-2016-9577.patch')
-rw-r--r-- | main/spice/CVE-2016-9577.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/main/spice/CVE-2016-9577.patch b/main/spice/CVE-2016-9577.patch new file mode 100644 index 0000000000..0d0a9ae4b1 --- /dev/null +++ b/main/spice/CVE-2016-9577.patch @@ -0,0 +1,28 @@ +From 5f96b596353d73bdf4bb3cd2de61e48a7fd5b4c3 Mon Sep 17 00:00:00 2001 +From: Frediano Ziglio <fziglio@redhat.com> +Date: Tue, 29 Nov 2016 16:46:56 +0000 +Subject: [PATCH] main-channel: Prevent overflow reading messages from client + +Caller is supposed the function return a buffer able to store +size bytes. + +Signed-off-by: Frediano Ziglio <fziglio@redhat.com> +Acked-by: Christophe Fergeau <cfergeau@redhat.com> +--- + server/main_channel.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/server/main_channel.c b/server/main_channel.c +index 0ecc9df8..1fc39155 100644 +--- a/server/main_channel.c ++++ b/server/main_channel.c +@@ -1026,6 +1026,9 @@ static uint8_t *main_channel_alloc_msg_rcv_buf(RedChannelClient *rcc, + + if (type == SPICE_MSGC_MAIN_AGENT_DATA) { + return reds_get_agent_data_buffer(mcc, size); ++ } else if (size > sizeof(main_chan->recv_buf)) { ++ /* message too large, caller will log a message and close the connection */ ++ return NULL; + } else { + return main_chan->recv_buf; + } |