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
diff --git a/src/tool_urlglob.c b/src/tool_urlglob.c
index 6b1ece0..d56dcd9 100644
--- a/src/tool_urlglob.c
+++ b/src/tool_urlglob.c
@@ -273,7 +273,10 @@
}
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);
diff --git a/tests/data/Makefile.inc b/tests/data/Makefile.inc
index 35446cf..59f692e 100644
--- a/tests/data/Makefile.inc
+++ b/tests/data/Makefile.inc
@@ -132,7 +132,7 @@
test1260 test1261 test1262 \
\
test1280 test1281 test1282 test1283 test1284 test1285 test1286 test1287 \
-test1288 \
+test1288 test1289 \
test1298 test1299 \
test1300 test1301 test1302 test1303 test1304 test1305 test1306 test1307 \
test1308 test1309 test1310 test1311 test1312 test1313 test1314 test1315 \
diff --git a/tests/data/test1289 b/tests/data/test1289
new file mode 100644
index 0000000..d679cc0
--- /dev/null
+++ b/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>
