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From 9422f4a6d630258ae32199868e86758923ca3ad5 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.
Bug: https://curl.haxx.se/docs/adv_20170809A.html
Reported-by: Brian Carpenter
Upstream-Status: Backport
CVE: CVE-2017-1000101
Signed-off-by: Rajkumar Veer <rveer@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
diff --git a/src/tool_urlglob.c b/src/tool_urlglob.c
index a357b8b..f30072b 100644
--- a/src/tool_urlglob.c
+++ b/src/tool_urlglob.c
@@ -259,7 +259,10 @@ static CURLcode glob_range(URLGlob *glob, char **patternp,
pattern = endp+1;
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 9c50673..52eaf26 100644
--- a/tests/data/Makefile.inc
+++ b/tests/data/Makefile.inc
@@ -127,7 +127,7 @@ test1216 test1217 test1218 test1219 \
test1220 test1221 test1222 test1223 test1224 test1225 test1226 test1227 \
test1228 test1229 test1230 test1231 test1232 test1233 test1234 test1235 \
test1236 test1237 test1238 test1239 test1240 test1241 test1242 test1243 \
-test1244 \
+test1244 test1289\
\
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>
--
1.9.1
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