Merge pull request #805 from span786/PA-6145-patch-curl-cve-2023-46218

[PA-6145]: Applied Curl Patch CVE-2023-46218

Author: span786

configs/components/curl.rb

@@ -32,6 +32,7 @@
   pkg.apply_patch 'resources/patches/curl/CVE-2023-32001.patch'
   pkg.apply_patch 'resources/patches/curl/CVE-2023-38545.patch'
   pkg.apply_patch 'resources/patches/curl/CVE-2023-38546.patch'
+  pkg.apply_patch 'resources/patches/curl/CVE-2023-46218.patch'
 
   configure_options = []
   configure_options << "--with-ssl=#{settings[:prefix]}"

resources/patches/curl/CVE-2023-46218.patch

@@ -0,0 +1,45 @@
+From 2b0994c29a721c91c572cff7808c572a24d251eb Thu Nov 23 00:00:00 2023
+From: Daniel Stenberg <[email protected]>
+Date: Thu, 23 Nov 2023 23:28:32 +0200
+Subject: [PATCH] cookie: lowercase the domain names before PSL checks
+
+Reported-by: Harry Sintonen
+
+Closes #12387
+---
+diff --git a/lib/cookie.c b/lib/cookie.c
+index c457b2d95..fc3f2bd98 100644
+--- a/lib/cookie.c
++++ b/lib/cookie.c
+@@ -1049,15 +1049,23 @@ Curl_cookie_add(struct Curl_easy *data,
+    * dereference it.
+    */
+   if(data && (domain && co->domain && !Curl_host_is_ipnum(co->domain))) {
+-    const psl_ctx_t *psl = Curl_psl_use(data);
+-    int acceptable;
+-
+-    if(psl) {
+-      acceptable = psl_is_cookie_domain_acceptable(psl, domain, co->domain);
+-      Curl_psl_release(data);
++    bool acceptable = FALSE;
++    char lcase[256];
++    char lcookie[256];
++    size_t dlen = strlen(domain);
++    size_t clen = strlen(co->domain);
++    if((dlen < sizeof(lcase)) && (clen < sizeof(lcookie))) {
++      const psl_ctx_t *psl = Curl_psl_use(data);
++      if(psl) {
++        /* the PSL check requires lowercase domain name and pattern */
++        Curl_strntolower(lcase, domain, dlen + 1);
++        Curl_strntolower(lcookie, co->domain, clen + 1);
++        acceptable = psl_is_cookie_domain_acceptable(psl, lcase, lcookie);
++        Curl_psl_release(data);
++      }
++      else
++        acceptable = !bad_domain(domain, strlen(domain));
+     }
+-    else
+-      acceptable = !bad_domain(domain);
+ 
+     if(!acceptable) {
+       infof(data, "cookie '%s' dropped, domain '%s' must not "