| 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> |