curl: fix CVE-2017-1000099, 1000100, 1000101

Backport upstream commits to fix:
- CVE-2017-1000099
  https://curl.haxx.se/docs/adv_20170809C.html
  https://curl.haxx.se/CVE-2017-1000099.patch

- CVE-2017-1000100
  https://curl.haxx.se/docs/adv_20170809B.html
  https://curl.haxx.se/CVE-2017-1000100.patch

- CVE-2017-1000101
  https://curl.haxx.se/docs/adv_20170809A.html
  https://curl.haxx.se/CVE-2017-1000101.patch

(From OE-Core rev: 2eb590bbeab4dbf2583a78fcbaf3723757116123)

Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Wenzong Fan
2017-09-03 20:31:10 -07:00
committed by Richard Purdie
parent e5dfaf8d5e
commit 482b7e974a
4 changed files with 194 additions and 0 deletions

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@@ -0,0 +1,41 @@
From c9332fa5e84f24da300b42b1a931ade929d3e27d Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Tue, 1 Aug 2017 17:17:06 +0200
Subject: [PATCH] file: output the correct buffer to the user
Regression brought by 7c312f84ea930d8 (April 2017)
CVE: CVE-2017-1000099
Bug: https://curl.haxx.se/docs/adv_20170809C.html
Credit to OSS-Fuzz for the discovery
Upstream-Status: Backport
https://github.com/curl/curl/commit/c9332fa5e84f24da300b42b1a931ade929d3e27d
Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com>
---
lib/file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/file.c b/lib/file.c
index bd426eac2..666cbe75b 100644
--- a/lib/file.c
+++ b/lib/file.c
@@ -499,11 +499,11 @@ static CURLcode file_do(struct connectdata *conn, bool *done)
Curl_month[tm->tm_mon],
tm->tm_year + 1900,
tm->tm_hour,
tm->tm_min,
tm->tm_sec);
- result = Curl_client_write(conn, CLIENTWRITE_BOTH, buf, 0);
+ result = Curl_client_write(conn, CLIENTWRITE_BOTH, header, 0);
if(!result)
/* set the file size to make it available post transfer */
Curl_pgrsSetDownloadSize(data, expected_size);
return result;
}
--
2.13.3

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@@ -0,0 +1,51 @@
From 358b2b131ad6c095696f20dcfa62b8305263f898 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Tue, 1 Aug 2017 17:16:46 +0200
Subject: [PATCH] tftp: reject file name lengths that don't fit
... and thereby avoid telling send() to send off more bytes than the
size of the buffer!
CVE: CVE-2017-1000100
Bug: https://curl.haxx.se/docs/adv_20170809B.html
Reported-by: Even Rouault
Credit to OSS-Fuzz for the discovery
Upstream-Status: Backport
https://github.com/curl/curl/commit/358b2b131ad6c095696f20dcfa62b8305263f898
Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com>
---
lib/tftp.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/lib/tftp.c b/lib/tftp.c
index 02bd842..f6f4bce 100644
--- a/lib/tftp.c
+++ b/lib/tftp.c
@@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -491,6 +491,11 @@ static CURLcode tftp_send_first(tftp_state_data_t *state, tftp_event_t event)
if(result)
return result;
+ if(strlen(filename) > (state->blksize - strlen(mode) - 4)) {
+ failf(data, "TFTP file name too long\n");
+ return CURLE_TFTP_ILLEGAL; /* too long file name field */
+ }
+
snprintf((char *)state->spacket.data+2,
state->blksize,
"%s%c%s%c", filename, '\0', mode, '\0');
--
1.7.9.5

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@@ -0,0 +1,99 @@
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: CVE-2017-1000101
Bug: https://curl.haxx.se/docs/adv_20170809A.html
Reported-by: Brian Carpenter
Upstream-Status: Backport
https://github.com/curl/curl/commit/453e7a7a03a2cec749abd3878a48e728c515cca7
Rebase the tests/data/Makefile.inc changes for curl 7.54.1.
Signed-off-by: Wenzong Fan <wenzong.fan@windriver.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 6b1ece0..d56dcd9 100644
--- a/src/tool_urlglob.c
+++ b/src/tool_urlglob.c
@@ -273,7 +273,10 @@ static CURLcode glob_range(URLGlob *glob, char **patternp,
}
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 155320a..7adbee6 100644
--- a/tests/data/Makefile.inc
+++ b/tests/data/Makefile.inc
@@ -132,7 +132,7 @@ test1252 test1253 test1254 test1255 test1256 test1257 test1258 test1259 \
test1260 test1261 test1262 \
\
test1280 test1281 test1282 test1283 test1284 test1285 test1286 test1287 \
-test1288 \
+test1288 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>
--
2.11.0

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@@ -7,6 +7,9 @@ LIC_FILES_CHKSUM = "file://COPYING;beginline=8;md5=3a34942f4ae3fbf1a303160714e66
SRC_URI = "http://curl.haxx.se/download/curl-${PV}.tar.bz2 \
file://0001-replace-krb5-config-with-pkg-config.patch \
file://CVE-2017-1000099.patch \
file://CVE-2017-1000100.patch \
file://CVE-2017-1000101.patch \
"
# curl likes to set -g0 in CFLAGS, so we stop it