1 files changed, 72 insertions, 0 deletions

diff --git a/meta/recipes-support/curl/curl/CVE-2022-32208.patch b/meta/recipes-support/curl/curl/CVE-2022-32208.patch
new file mode 100644
index 0000000000..2939314d09
--- /dev/null
+++ b/meta/recipes-support/curl/curl/CVE-2022-32208.patch
@@ -0,0 +1,72 @@
+From 3b90f0b2a7a84645acce151c86b40d25b5de6615 Mon Sep 17 00:00:00 2001
+From: Daniel Stenberg <daniel@haxx.se>
+Date: Thu, 9 Jun 2022 09:27:24 +0200
+Subject: [PATCH] krb5: return error properly on decode errors
+
+Bug: https://curl.se/docs/CVE-2022-32208.html
+CVE-2022-32208
+Reported-by: Harry Sintonen
+Closes #9051
+
+Upstream-Status: Backport [https://github.com/curl/curl/commit/6ecdf5136b52af7]
+Signed-off-by: Robert Joslyn <robert.joslyn@redrectangle.org>
+---
+ lib/krb5.c     |  5 +----
+ lib/security.c | 13 ++++++++++---
+ 2 files changed, 11 insertions(+), 7 deletions(-)
+
+diff --git a/lib/krb5.c b/lib/krb5.c
+index f50287a..5b77e35 100644
+--- a/lib/krb5.c
++++ b/lib/krb5.c
+@@ -86,11 +86,8 @@ krb5_decode(void *app_data, void *buf, int len,
+   enc.value = buf;
+   enc.length = len;
+   maj = gss_unwrap(&min, *context, &enc, &dec, NULL, NULL);
+-  if(maj != GSS_S_COMPLETE) {
+-    if(len >= 4)
+-      strcpy(buf, "599 ");
++  if(maj != GSS_S_COMPLETE)
+     return -1;
+-  }
+ 
+   memcpy(buf, dec.value, dec.length);
+   len = curlx_uztosi(dec.length);
+diff --git a/lib/security.c b/lib/security.c
+index fbfa707..3542210 100644
+--- a/lib/security.c
++++ b/lib/security.c
+@@ -192,6 +192,7 @@ static CURLcode read_data(struct connectdata *conn,
+ {
+   int len;
+   CURLcode result;
++  int nread;
+ 
+   result = socket_read(fd, &len, sizeof(len));
+   if(result)
+@@ -200,7 +201,10 @@ static CURLcode read_data(struct connectdata *conn,
+   if(len) {
+     /* only realloc if there was a length */
+     len = ntohl(len);
+-    buf->data = Curl_saferealloc(buf->data, len);
++    if(len > CURL_MAX_INPUT_LENGTH)
++      len = 0;
++    else
++      buf->data = Curl_saferealloc(buf->data, len);
+   }
+   if(!len || !buf->data)
+     return CURLE_OUT_OF_MEMORY;
+@@ -208,8 +212,11 @@ static CURLcode read_data(struct connectdata *conn,
+   result = socket_read(fd, buf->data, len);
+   if(result)
+     return result;
+-  buf->size = conn->mech->decode(conn->app_data, buf->data, len,
+-                                 conn->data_prot, conn);
++  nread = buf->size = conn->mech->decode(conn->app_data, buf->data, len,
++                                         conn->data_prot, conn);
++  if(nread < 0)
++    return CURLE_RECV_ERROR;
++  buf->size = (size_t)nread;
+   buf->index = 0;
+   return CURLE_OK;
+ }