Initial commit
This commit is contained in:
@@ -0,0 +1,49 @@
|
||||
From 6cc45e3452194f312e04109cfdae047eb0719c7c Mon Sep 17 00:00:00 2001
|
||||
From: Jeremy Allison <jra@samba.org>
|
||||
Date: Tue, 2 Jan 2018 15:56:03 -0800
|
||||
Subject: [PATCH] CVE-2018-1050: s3: RPC: spoolss server. Protect against null
|
||||
pointer derefs.
|
||||
|
||||
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11343
|
||||
|
||||
Signed-off-by: Jeremy Allison <jra@samba.org>
|
||||
---
|
||||
source3/rpc_server/spoolss/srv_spoolss_nt.c | 13 +++++++++++++
|
||||
1 file changed, 13 insertions(+)
|
||||
|
||||
--- a/source3/rpc_server/spoolss/srv_spoolss_nt.c
|
||||
+++ b/source3/rpc_server/spoolss/srv_spoolss_nt.c
|
||||
@@ -176,6 +176,11 @@ static void prune_printername_cache(void
|
||||
static const char *canon_servername(const char *servername)
|
||||
{
|
||||
const char *pservername = servername;
|
||||
+
|
||||
+ if (servername == NULL) {
|
||||
+ return "";
|
||||
+ }
|
||||
+
|
||||
while (*pservername == '\\') {
|
||||
pservername++;
|
||||
}
|
||||
@@ -2080,6 +2085,10 @@ WERROR _spoolss_DeletePrinterDriver(stru
|
||||
return WERR_ACCESS_DENIED;
|
||||
}
|
||||
|
||||
+ if (r->in.architecture == NULL || r->in.driver == NULL) {
|
||||
+ return WERR_INVALID_ENVIRONMENT;
|
||||
+ }
|
||||
+
|
||||
/* check that we have a valid driver name first */
|
||||
|
||||
if ((version = get_version_id(r->in.architecture)) == -1)
|
||||
@@ -2225,6 +2234,10 @@ WERROR _spoolss_DeletePrinterDriverEx(st
|
||||
return WERR_ACCESS_DENIED;
|
||||
}
|
||||
|
||||
+ if (r->in.architecture == NULL || r->in.driver == NULL) {
|
||||
+ return WERR_INVALID_ENVIRONMENT;
|
||||
+ }
|
||||
+
|
||||
/* check that we have a valid driver name first */
|
||||
if (get_version_id(r->in.architecture) == -1) {
|
||||
/* this is what NT returns */
|
||||
Reference in New Issue
Block a user