Fix CVE-2024-10524 for wget :2.0

SPECS/wget/CVE-2024-10524.patch

@@ -0,0 +1,182 @@
+From 4cfddf2cd1aac9b0e36cd08df36f077ee68bd87b Mon Sep 17 00:00:00 2001
+From: kavyasree <[email protected]>
+Date: Thu, 21 Nov 2024 12:17:03 +0530
+Subject: [PATCH] Fix CVE-2024-10524
+
+---
+ doc/wget.texi  | 12 ++++-------
+ src/html-url.c |  2 +-
+ src/main.c     |  2 +-
+ src/retr.c     |  2 +-
+ src/url.c      | 57 ++++++++++++++++----------------------------------
+ src/url.h      |  2 +-
+ 6 files changed, 26 insertions(+), 51 deletions(-)
+
+diff --git a/doc/wget.texi b/doc/wget.texi
+index 0c282b3..d59994a 100644
+--- a/doc/wget.texi
++++ b/doc/wget.texi
+@@ -314,8 +314,8 @@ for text files.  Here is an example:
+ ftp://host/directory/file;type=a
+ @end example
+
+-Two alternative variants of @sc{url} specification are also supported,
+-because of historical (hysterical?) reasons and their widespreaded use.
++The two alternative variants of @sc{url} specifications are no longer
++supported because of security considerations:
+
+ @sc{ftp}-only syntax (supported by @code{NcFTP}):
+ @example
+@@ -327,12 +327,8 @@ host:/dir/file
+ host[:port]/dir/file
+ @end example
+
+-These two alternative forms are deprecated, and may cease being
+-supported in the future.
+-
+-If you do not understand the difference between these notations, or do
+-not know which one to use, just use the plain ordinary format you use
+-with your favorite browser, like @code{Lynx} or @code{Netscape}.
++These two alternative forms have been deprecated long time ago,
++and support is removed with version 1.22.0.
+
+ @c man begin OPTIONS
+
+diff --git a/src/html-url.c b/src/html-url.c
+index eaddc17..ab3ada6 100644
+--- a/src/html-url.c
++++ b/src/html-url.c
+@@ -931,7 +931,7 @@ get_urls_file (const char *file)
+           url_text = merged;
+         }
+
+-      new_url = rewrite_shorthand_url (url_text);
++      new_url = maybe_prepend_scheme (url_text);
+       if (new_url)
+         {
+           xfree (url_text);
+diff --git a/src/main.c b/src/main.c
+index 7c27b0c..6e00ca7 100644
+--- a/src/main.c
++++ b/src/main.c
+@@ -2120,7 +2120,7 @@ only if outputting to a regular file.\n"));
+       struct iri *iri = iri_new ();
+       struct url *url_parsed;
+
+-      t = rewrite_shorthand_url (argv[optind]);
++      t = maybe_prepend_scheme (argv[optind]);
+       if (!t)
+         t = argv[optind];
+
+diff --git a/src/retr.c b/src/retr.c
+index 2e18eae..7a34dd5 100644
+--- a/src/retr.c
++++ b/src/retr.c
+@@ -1502,7 +1502,7 @@ getproxy (struct url *u)
+
+   /* Handle shorthands.  `rewritten_storage' is a kludge to allow
+      getproxy() to return static storage. */
+-  rewritten_url = rewrite_shorthand_url (proxy);
++  rewritten_url = maybe_prepend_scheme (proxy);
+   if (rewritten_url)
+     return rewritten_url;
+
+diff --git a/src/url.c b/src/url.c
+index 65dd27d..01a4391 100644
+--- a/src/url.c
++++ b/src/url.c
+@@ -594,60 +594,39 @@ parse_credentials (const char *beg, const char *end, char **user, char **passwd)
+   return true;
+ }
+
+-/* Used by main.c: detect URLs written using the "shorthand" URL forms
+-   originally popularized by Netscape and NcFTP.  HTTP shorthands look
+-   like this:
+-
+-   www.foo.com[:port]/dir/file   -> http://www.foo.com[:port]/dir/file
+-   www.foo.com[:port]            -> http://www.foo.com[:port]
+-
+-   FTP shorthands look like this:
+-
+-   foo.bar.com:dir/file          -> ftp://foo.bar.com/dir/file
+-   foo.bar.com:/absdir/file      -> ftp://foo.bar.com//absdir/file
++static bool is_valid_port(const char *p)
++{
++  unsigned port = (unsigned) atoi (p);
++  if (port == 0 || port > 65535)
++    return false;
+
+-   If the URL needs not or cannot be rewritten, return NULL.  */
++  int digits = strspn (p, "0123456789");
++  return digits && (p[digits] == '/' || p[digits] == '\0');
++}
+
++/* Prepend "http://" to url if scheme is missing, otherwise return NULL. */
+ char *
+-rewrite_shorthand_url (const char *url)
++maybe_prepend_scheme (const char *url)
+ {
+-  const char *p;
+-  char *ret;
+-
+   if (url_scheme (url) != SCHEME_INVALID)
+     return NULL;
+
+-  /* Look for a ':' or '/'.  The former signifies NcFTP syntax, the
+-     latter Netscape.  */
+-  p = strpbrk (url, ":/");
++  const char *p = strchr (url, ':');
+   if (p == url)
+     return NULL;
+
+   /* If we're looking at "://", it means the URL uses a scheme we
+      don't support, which may include "https" when compiled without
+-     SSL support.  Don't bogusly rewrite such URLs.  */
++     SSL support.  Don't bogusly prepend "http://" to such URLs.  */
+   if (p && p[0] == ':' && p[1] == '/' && p[2] == '/')
+     return NULL;
+
+-  if (p && *p == ':')
+-    {
+-      /* Colon indicates ftp, as in foo.bar.com:path.  Check for
+-         special case of http port number ("localhost:10000").  */
+-      int digits = strspn (p + 1, "0123456789");
+-      if (digits && (p[1 + digits] == '/' || p[1 + digits] == '\0'))
+-        goto http;
+-
+-      /* Turn "foo.bar.com:path" to "ftp://foo.bar.com/path". */
+-      if ((ret = aprintf ("ftp://%s", url)) != NULL)
+-        ret[6 + (p - url)] = '/';
+-    }
+-  else
+-    {
+-    http:
+-      /* Just prepend "http://" to URL. */
+-      ret = aprintf ("http://%s", url);
+-    }
+-  return ret;
++  if (p && p[0] == ':' && !is_valid_port (p + 1))
++    return NULL;
++
++
++  fprintf(stderr, "Prepended http:// to '%s'\n", url);
++  return aprintf ("http://%s", url);
+ }
+
+ static void split_path (const char *, char **, char **);
+diff --git a/src/url.h b/src/url.h
+index 29c591d..804c0a7 100644
+--- a/src/url.h
++++ b/src/url.h
+@@ -128,7 +128,7 @@ char *uri_merge (const char *, const char *);
+
+ int mkalldirs (const char *);
+
+-char *rewrite_shorthand_url (const char *);
++char *maybe_prepend_scheme (const char *);
+ bool schemes_are_similar_p (enum url_scheme a, enum url_scheme b);
+
+ bool are_urls_equal (const char *u1, const char *u2);
+-- 
+2.34.1
+

SPECS/wget/wget.spec

@@ -1,14 +1,15 @@
 Summary:        A network utility to retrieve files from the Web
 Name:           wget
 Version:        1.21.2
-Release:        3%{?dist}
+Release:        4%{?dist}
 License:        GPL-3.0-or-later AND LGPL-3.0-or-later
 URL:            https://www.gnu.org/software/wget/wget.html
 Group:          System Environment/NetworkingPrograms
 Vendor:         Microsoft Corporation
 Distribution:   Mariner
 Source0:        https://ftp.gnu.org/gnu/%{name}/%{name}-%{version}.tar.gz
 Patch0:         CVE-2024-38428.patch
+Patch1:		CVE-2024-10524.patch
 BuildRequires:  openssl-devel
 %if %{with_check}
 BuildRequires:  perl
@@ -55,6 +56,9 @@ rm -rf %{buildroot}/%{_infodir}
 %{_datadir}/locale/*/LC_MESSAGES/*.mo
 
 %changelog
+* Thu Nov 21 2024 Kavya Sree Kaitepalli <[email protected]> - 1.21.2-4
+- Patch for CVE-2024-10524
+
 * Wed Jun 19 2024 Saul Paredes <[email protected]> - 1.21.2-3
 - Patch for CVE-2024-38428