1 files changed, 48 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-support/curl/curl/CVE-2022-32206-return-error-on-too-many-compression-steps.patch b/meta-openbmc-mods/meta-common/recipes-support/curl/curl/CVE-2022-32206-return-error-on-too-many-compression-steps.patch
new file mode 100644
index 000000000..bdf3ba35e
--- /dev/null
+++ b/meta-openbmc-mods/meta-common/recipes-support/curl/curl/CVE-2022-32206-return-error-on-too-many-compression-steps.patch
@@ -0,0 +1,48 @@
+From 3a09fbb7f264c67c438d01a30669ce325aa508e2 Mon Sep 17 00:00:00 2001
+From: Daniel Stenberg <daniel@haxx.se>
+Date: Mon, 16 May 2022 16:28:13 +0200
+Subject: [PATCH] content_encoding: return error on too many compression steps
+
+The max allowed steps is arbitrarily set to 5.
+
+Bug: https://curl.se/docs/CVE-2022-32206.html
+CVE-2022-32206
+Reported-by: Harry Sintonen
+Closes #9049
+---
+ lib/content_encoding.c | 9 +++++++++
+ 1 file changed, 9 insertions(+)
+
+diff --git a/lib/content_encoding.c b/lib/content_encoding.c
+index c5591ca48ac78..95ba48a2dd563 100644
+--- a/lib/content_encoding.c
++++ b/lib/content_encoding.c
+@@ -1028,12 +1028,16 @@ static const struct content_encoding *find_encoding(const char *name,
+   return NULL;
+ }
+ 
++/* allow no more than 5 "chained" compression steps */
++#define MAX_ENCODE_STACK 5
++
+ /* Set-up the unencoding stack from the Content-Encoding header value.
+  * See RFC 7231 section 3.1.2.2. */
+ CURLcode Curl_build_unencoding_stack(struct Curl_easy *data,
+                                      const char *enclist, int maybechunked)
+ {
+   struct SingleRequest *k = &data->req;
++  int counter = 0;
+ 
+   do {
+     const char *name;
+@@ -1068,6 +1072,11 @@ CURLcode Curl_build_unencoding_stack(struct Curl_easy *data,
+       if(!encoding)
+         encoding = &error_encoding;  /* Defer error at stack use. */
+ 
++      if(++counter >= MAX_ENCODE_STACK) {
++        failf(data, "Reject response due to %u content encodings",
++              counter);
++        return CURLE_BAD_CONTENT_ENCODING;
++      }
+       /* Stack the unencoding stage. */
+       writer = new_unencoding_writer(data, encoding, k->writer_stack);
+       if(!writer)