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-rw-r--r--meta/recipes-support/curl/curl/CVE-2023-23916.patch219
-rw-r--r--meta/recipes-support/curl/curl_7.82.0.bb1
2 files changed, 220 insertions, 0 deletions
diff --git a/meta/recipes-support/curl/curl/CVE-2023-23916.patch b/meta/recipes-support/curl/curl/CVE-2023-23916.patch
new file mode 100644
index 0000000000..a57d275902
--- /dev/null
+++ b/meta/recipes-support/curl/curl/CVE-2023-23916.patch
@@ -0,0 +1,219 @@
1From 119fb187192a9ea13dc90d9d20c215fc82799ab9 Mon Sep 17 00:00:00 2001
2From: Patrick Monnerat <patrick@monnerat.net>
3Date: Mon, 13 Feb 2023 08:33:09 +0100
4Subject: [PATCH] content_encoding: do not reset stage counter for each header
5
6Test 418 verifies
7
8Closes #10492
9
10CVE: CVE-2023-23916
11Upstream-Status: Backport [https://github.com/curl/curl/commit/119fb187192a9ea13dc.patch]
12Signed-off-by: Pawan Badganchi <Pawan.Badganchi@kpit.com>
13---
14 lib/content_encoding.c | 7 +-
15 lib/urldata.h | 1 +
16 tests/data/Makefile.inc | 2 +-
17 tests/data/test387 | 2 +-
18 tests/data/test418 | 152 ++++++++++++++++++++++++++++++++++++++++
19 5 files changed, 158 insertions(+), 6 deletions(-)
20 create mode 100644 tests/data/test418
21
22--- a/lib/content_encoding.c
23+++ b/lib/content_encoding.c
24@@ -1037,7 +1037,6 @@ CURLcode Curl_build_unencoding_stack(str
25 const char *enclist, int maybechunked)
26 {
27 struct SingleRequest *k = &data->req;
28- int counter = 0;
29
30 do {
31 const char *name;
32@@ -1072,9 +1071,9 @@ CURLcode Curl_build_unencoding_stack(str
33 if(!encoding)
34 encoding = &error_encoding; /* Defer error at stack use. */
35
36- if(++counter >= MAX_ENCODE_STACK) {
37- failf(data, "Reject response due to %u content encodings",
38- counter);
39+ if(k->writer_stack_depth++ >= MAX_ENCODE_STACK) {
40+ failf(data, "Reject response due to more than %u content encodings",
41+ MAX_ENCODE_STACK);
42 return CURLE_BAD_CONTENT_ENCODING;
43 }
44 /* Stack the unencoding stage. */
45--- a/lib/urldata.h
46+++ b/lib/urldata.h
47@@ -682,6 +682,7 @@ struct SingleRequest {
48 struct dohdata *doh; /* DoH specific data for this request */
49 #endif
50 unsigned char setcookies;
51+ unsigned char writer_stack_depth; /* Unencoding stack depth. */
52 BIT(header); /* incoming data has HTTP header */
53 BIT(content_range); /* set TRUE if Content-Range: was found */
54 BIT(upload_done); /* set to TRUE when doing chunked transfer-encoding
55--- a/tests/data/Makefile.inc
56+++ b/tests/data/Makefile.inc
57@@ -69,6 +69,7 @@
58 \
59 test400 test401 test402 test403 test404 test405 test406 test407 test408 \
60 test409 test410 \
61+test418 \
62 \
63 test430 test431 test432 test433 test434 test435 test436 \
64 \
65--- /dev/null
66+++ b/tests/data/test418
67@@ -0,0 +1,152 @@
68+<testcase>
69+<info>
70+<keywords>
71+HTTP
72+gzip
73+</keywords>
74+</info>
75+
76+#
77+# Server-side
78+<reply>
79+<data nocheck="yes">
80+HTTP/1.1 200 OK
81+Transfer-Encoding: gzip
82+Transfer-Encoding: gzip
83+Transfer-Encoding: gzip
84+Transfer-Encoding: gzip
85+Transfer-Encoding: gzip
86+Transfer-Encoding: gzip
87+Transfer-Encoding: gzip
88+Transfer-Encoding: gzip
89+Transfer-Encoding: gzip
90+Transfer-Encoding: gzip
91+Transfer-Encoding: gzip
92+Transfer-Encoding: gzip
93+Transfer-Encoding: gzip
94+Transfer-Encoding: gzip
95+Transfer-Encoding: gzip
96+Transfer-Encoding: gzip
97+Transfer-Encoding: gzip
98+Transfer-Encoding: gzip
99+Transfer-Encoding: gzip
100+Transfer-Encoding: gzip
101+Transfer-Encoding: gzip
102+Transfer-Encoding: gzip
103+Transfer-Encoding: gzip
104+Transfer-Encoding: gzip
105+Transfer-Encoding: gzip
106+Transfer-Encoding: gzip
107+Transfer-Encoding: gzip
108+Transfer-Encoding: gzip
109+Transfer-Encoding: gzip
110+Transfer-Encoding: gzip
111+Transfer-Encoding: gzip
112+Transfer-Encoding: gzip
113+Transfer-Encoding: gzip
114+Transfer-Encoding: gzip
115+Transfer-Encoding: gzip
116+Transfer-Encoding: gzip
117+Transfer-Encoding: gzip
118+Transfer-Encoding: gzip
119+Transfer-Encoding: gzip
120+Transfer-Encoding: gzip
121+Transfer-Encoding: gzip
122+Transfer-Encoding: gzip
123+Transfer-Encoding: gzip
124+Transfer-Encoding: gzip
125+Transfer-Encoding: gzip
126+Transfer-Encoding: gzip
127+Transfer-Encoding: gzip
128+Transfer-Encoding: gzip
129+Transfer-Encoding: gzip
130+Transfer-Encoding: gzip
131+Transfer-Encoding: gzip
132+Transfer-Encoding: gzip
133+Transfer-Encoding: gzip
134+Transfer-Encoding: gzip
135+Transfer-Encoding: gzip
136+Transfer-Encoding: gzip
137+Transfer-Encoding: gzip
138+Transfer-Encoding: gzip
139+Transfer-Encoding: gzip
140+Transfer-Encoding: gzip
141+Transfer-Encoding: gzip
142+Transfer-Encoding: gzip
143+Transfer-Encoding: gzip
144+Transfer-Encoding: gzip
145+Transfer-Encoding: gzip
146+Transfer-Encoding: gzip
147+Transfer-Encoding: gzip
148+Transfer-Encoding: gzip
149+Transfer-Encoding: gzip
150+Transfer-Encoding: gzip
151+Transfer-Encoding: gzip
152+Transfer-Encoding: gzip
153+Transfer-Encoding: gzip
154+Transfer-Encoding: gzip
155+Transfer-Encoding: gzip
156+Transfer-Encoding: gzip
157+Transfer-Encoding: gzip
158+Transfer-Encoding: gzip
159+Transfer-Encoding: gzip
160+Transfer-Encoding: gzip
161+Transfer-Encoding: gzip
162+Transfer-Encoding: gzip
163+Transfer-Encoding: gzip
164+Transfer-Encoding: gzip
165+Transfer-Encoding: gzip
166+Transfer-Encoding: gzip
167+Transfer-Encoding: gzip
168+Transfer-Encoding: gzip
169+Transfer-Encoding: gzip
170+Transfer-Encoding: gzip
171+Transfer-Encoding: gzip
172+Transfer-Encoding: gzip
173+Transfer-Encoding: gzip
174+Transfer-Encoding: gzip
175+Transfer-Encoding: gzip
176+Transfer-Encoding: gzip
177+Transfer-Encoding: gzip
178+Transfer-Encoding: gzip
179+Transfer-Encoding: gzip
180+Transfer-Encoding: gzip
181+
182+-foo-
183+</data>
184+</reply>
185+
186+#
187+# Client-side
188+<client>
189+<server>
190+http
191+</server>
192+ <name>
193+Response with multiple Transfer-Encoding headers
194+ </name>
195+ <command>
196+http://%HOSTIP:%HTTPPORT/%TESTNUMBER -sS
197+</command>
198+</client>
199+
200+#
201+# Verify data after the test has been "shot"
202+<verify>
203+<protocol crlf="yes">
204+GET /%TESTNUMBER HTTP/1.1
205+Host: %HOSTIP:%HTTPPORT
206+User-Agent: curl/%VERSION
207+Accept: */*
208+
209+</protocol>
210+
211+# CURLE_BAD_CONTENT_ENCODING is 61
212+<errorcode>
213+61
214+</errorcode>
215+<stderr mode="text">
216+curl: (61) Reject response due to more than 5 content encodings
217+</stderr>
218+</verify>
219+</testcase>
diff --git a/meta/recipes-support/curl/curl_7.82.0.bb b/meta/recipes-support/curl/curl_7.82.0.bb
index b583060889..945745cdde 100644
--- a/meta/recipes-support/curl/curl_7.82.0.bb
+++ b/meta/recipes-support/curl/curl_7.82.0.bb
@@ -39,6 +39,7 @@ SRC_URI = "https://curl.se/download/${BP}.tar.xz \
39 file://CVE-2023-23914_5-3.patch \ 39 file://CVE-2023-23914_5-3.patch \
40 file://CVE-2023-23914_5-4.patch \ 40 file://CVE-2023-23914_5-4.patch \
41 file://CVE-2023-23914_5-5.patch \ 41 file://CVE-2023-23914_5-5.patch \
42 file://CVE-2023-23916.patch \
42 " 43 "
43SRC_URI[sha256sum] = "0aaa12d7bd04b0966254f2703ce80dd5c38dbbd76af0297d3d690cdce58a583c" 44SRC_URI[sha256sum] = "0aaa12d7bd04b0966254f2703ce80dd5c38dbbd76af0297d3d690cdce58a583c"
44 45
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2026-01-23 22:26:47 +0000