From 453e7a7a03a2cec749abd3878a48e728c515cca7 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Tue, 1 Aug 2017 17:16:07 +0200
Subject: [PATCH] glob: do not continue parsing after a strtoul() overflow
 range

Added test 1289 to verify.

CVE-2017-1000101

Bug: https://curl.haxx.se/docs/adv_20170809A.html
Reported-by: Brian Carpenter

Upstream-Status: Backport
CVE: CVE-2017-1000101
Signed-off-by: Armin Kuster <akuster@mvista.com>

---
 src/tool_urlglob.c      |  5 ++++-
 tests/data/Makefile.inc |  2 +-
 tests/data/test1289     | 35 +++++++++++++++++++++++++++++++++++
 3 files changed, 40 insertions(+), 2 deletions(-)
 create mode 100644 tests/data/test1289

Index: curl-7.53.1/src/tool_urlglob.c
===================================================================
--- curl-7.53.1.orig/src/tool_urlglob.c
+++ curl-7.53.1/src/tool_urlglob.c
@@ -269,7 +269,10 @@ static CURLcode glob_range(URLGlob *glob
         }
         errno = 0;
         max_n = strtoul(pattern, &endp, 10);
-        if(errno || (*endp == ':')) {
+        if(errno)
+          /* overflow */
+          endp = NULL;
+        else if(*endp == ':') {
           pattern = endp+1;
           errno = 0;
           step_n = strtoul(pattern, &endp, 10);
Index: curl-7.53.1/tests/data/Makefile.inc
===================================================================
--- curl-7.53.1.orig/tests/data/Makefile.inc
+++ curl-7.53.1/tests/data/Makefile.inc
@@ -131,6 +131,7 @@ test1244 test1245 test1246 test1247 test
 test1252 test1253 test1254 test1255 test1256 test1257 test1258 test1259 \
 \
 test1280 test1281 test1282 test1283 test1284 test1285 test1286 \
+test1289 \
 \
 test1300 test1301 test1302 test1303 test1304 test1305 test1306 test1307 \
 test1308 test1309 test1310 test1311 test1312 test1313 test1314 test1315 \
Index: curl-7.53.1/tests/data/test1289
===================================================================
--- /dev/null
+++ curl-7.53.1/tests/data/test1289
@@ -0,0 +1,35 @@
+<testcase>
+<info>
+<keywords>
+HTTP
+HTTP GET
+globbing
+</keywords>
+</info>
+
+#
+# Server-side
+<reply>
+</reply>
+
+# Client-side
+<client>
+<server>
+http
+</server>
+<name>
+globbing with overflow and bad syntxx
+</name>
+<command>
+http://ur%20[0-60000000000000000000
+</command>
+</client>
+
+# Verify data after the test has been "shot"
+<verify>
+# curl: (3) [globbing] bad range in column 
+<errorcode>
+3
+</errorcode>
+</verify>
+</testcase>