[arch-commits] Commit in python2/trunk (4 files)

Stéphane Gaudreault stephane at archlinux.org
Fri Apr 15 12:17:54 UTC 2011


    Date: Friday, April 15, 2011 @ 08:17:53
  Author: stephane
Revision: 119810

upgpkg: python2 2.7.1-9
urllib security vulnerability fixed (CVE-2011-1521)

Added:
  python2/trunk/CVE-2011-1521.patch
  python2/trunk/python-2.7-db51.patch
    (from rev 119809, python2/trunk/python-2.7-db51.diff)
Modified:
  python2/trunk/PKGBUILD
Deleted:
  python2/trunk/python-2.7-db51.diff

-----------------------+
 CVE-2011-1521.patch   |   98 ++++++++++++++++++++++++++++++++++++++++++++++++
 PKGBUILD              |   20 ++++++---
 python-2.7-db51.diff  |   42 --------------------
 python-2.7-db51.patch |   42 ++++++++++++++++++++
 4 files changed, 153 insertions(+), 49 deletions(-)

Added: CVE-2011-1521.patch
===================================================================
--- CVE-2011-1521.patch	                        (rev 0)
+++ CVE-2011-1521.patch	2011-04-15 12:17:53 UTC (rev 119810)
@@ -0,0 +1,98 @@
+diff -Naur Python-2.7.1.ori/Lib/test/test_urllib2.py Python-2.7.1/Lib/test/test_urllib2.py
+--- Python-2.7.1.ori/Lib/test/test_urllib2.py	2010-11-21 21:04:33.000000000 -0800
++++ Python-2.7.1/Lib/test/test_urllib2.py	2011-04-15 05:02:13.278853672 -0700
+@@ -969,6 +969,27 @@
+             self.assertEqual(count,
+                              urllib2.HTTPRedirectHandler.max_redirections)
+ 
++    def test_invalid_redirect(self):
++        from_url = "http://example.com/a.html"
++        valid_schemes = ['http', 'https', 'ftp']
++        invalid_schemes = ['file', 'imap', 'ldap']
++        schemeless_url = "example.com/b.html"
++        h = urllib2.HTTPRedirectHandler()
++        o = h.parent = MockOpener()
++        req = Request(from_url)
++
++        for scheme in invalid_schemes:
++            invalid_url = scheme + '://' + schemeless_url
++            self.assertRaises(urllib2.HTTPError, h.http_error_302,
++                              req, MockFile(), 302, "Security Loophole",
++                              MockHeaders({"location": invalid_url}))
++
++        for scheme in valid_schemes:
++            valid_url = scheme + '://' + schemeless_url
++            h.http_error_302(req, MockFile(), 302, "That's fine",
++                MockHeaders({"location": valid_url}))
++            self.assertEqual(o.req.get_full_url(), valid_url)
++
+     def test_cookie_redirect(self):
+         # cookies shouldn't leak into redirected requests
+         from cookielib import CookieJar
+diff -Naur Python-2.7.1.ori/Lib/test/test_urllib.py Python-2.7.1/Lib/test/test_urllib.py
+--- Python-2.7.1.ori/Lib/test/test_urllib.py	2010-11-21 05:34:58.000000000 -0800
++++ Python-2.7.1/Lib/test/test_urllib.py	2011-04-15 05:02:13.278853672 -0700
+@@ -161,6 +161,20 @@
+         finally:
+             self.unfakehttp()
+ 
++    def test_invalid_redirect(self):
++        # urlopen() should raise IOError for many error codes.
++        self.fakehttp("""HTTP/1.1 302 Found
++Date: Wed, 02 Jan 2008 03:03:54 GMT
++Server: Apache/1.3.33 (Debian GNU/Linux) mod_ssl/2.8.22 OpenSSL/0.9.7e
++Location: file:README
++Connection: close
++Content-Type: text/html; charset=iso-8859-1
++""")
++        try:
++            self.assertRaises(IOError, urllib.urlopen, "http://python.org/")
++        finally:
++            self.unfakehttp()
++
+     def test_empty_socket(self):
+         # urlopen() raises IOError if the underlying socket does not send any
+         # data. (#1680230)
+diff -Naur Python-2.7.1.ori/Lib/urllib2.py Python-2.7.1/Lib/urllib2.py
+--- Python-2.7.1.ori/Lib/urllib2.py	2010-11-20 03:24:08.000000000 -0800
++++ Python-2.7.1/Lib/urllib2.py	2011-04-15 05:02:13.278853672 -0700
+@@ -579,6 +579,17 @@
+ 
+         newurl = urlparse.urljoin(req.get_full_url(), newurl)
+ 
++        # For security reasons we do not allow redirects to protocols
++        # other than HTTP, HTTPS or FTP.
++        newurl_lower = newurl.lower()
++        if not (newurl_lower.startswith('http://') or
++                newurl_lower.startswith('https://') or
++                newurl_lower.startswith('ftp://')):
++            raise HTTPError(newurl, code,
++                            msg + " - Redirection to url '%s' is not allowed" %
++                            newurl,
++                            headers, fp)
++
+         # XXX Probably want to forget about the state of the current
+         # request, although that might interact poorly with other
+         # handlers that also use handler-specific request attributes
+diff -Naur Python-2.7.1.ori/Lib/urllib.py Python-2.7.1/Lib/urllib.py
+--- Python-2.7.1.ori/Lib/urllib.py	2010-11-21 21:04:33.000000000 -0800
++++ Python-2.7.1/Lib/urllib.py	2011-04-15 05:02:13.278853672 -0700
+@@ -644,6 +644,18 @@
+         fp.close()
+         # In case the server sent a relative URL, join with original:
+         newurl = basejoin(self.type + ":" + url, newurl)
++
++        # For security reasons we do not allow redirects to protocols
++        # other than HTTP, HTTPS or FTP.
++        newurl_lower = newurl.lower()
++        if not (newurl_lower.startswith('http://') or
++                newurl_lower.startswith('https://') or
++                newurl_lower.startswith('ftp://')):
++            raise IOError('redirect error', errcode,
++                          errmsg + " - Redirection to url '%s' is not allowed" %
++                          newurl,
++                          headers)
++
+         return self.open(newurl)
+ 
+     def http_error_301(self, url, fp, errcode, errmsg, headers, data=None):

Modified: PKGBUILD
===================================================================
--- PKGBUILD	2011-04-15 11:51:54 UTC (rev 119809)
+++ PKGBUILD	2011-04-15 12:17:53 UTC (rev 119810)
@@ -5,7 +5,7 @@
 
 pkgname=python2
 pkgver=2.7.1
-pkgrel=8
+pkgrel=9
 _pybasever=2.7
 pkgdesc="A high-level scripting language"
 arch=('i686' 'x86_64')
@@ -17,17 +17,23 @@
 conflicts=('python<3')
 options=('!makeflags')
 source=(http://www.python.org/ftp/python/${pkgver}/Python-${pkgver}.tar.bz2
-        python-2.7-db51.diff
-        python-2.7.1-fix-decimal-in-turkish-locale.patch)
-md5sums=('aa27bc25725137ba155910bd8e5ddc4f'
-         'd9b8161568ce17a305c1b71e61ccd4b5'
-         '5032449f1ff2abfe18d14cc674165b23')
+        CVE-2011-1521.patch
+        python-2.7.1-fix-decimal-in-turkish-locale.patch
+        python-2.7-db51.patch)
+sha1sums=('fbe1894322ff91b80726e269c97454f4129fc2a3'
+         '31cdc76092d0f598289aaeb18e492874c981904d'
+         'baf470682ae7d2b55caaa173696d08d3f468a569' 
+         '9667a2a2f8594902b352793e649f78696a77bd13')
 
 build() {
   cd "${srcdir}/Python-${pkgver}"
 
-  patch -Np1 -i ../python-2.7-db51.diff
+  patch -Np1 -i ../python-2.7-db51.patch
 
+  # Fix urllib Security Vulnerability
+  # http://blog.python.org/2011/04/urllib-security-vulnerability-fixed.html
+  patch -Np1 -i ../CVE-2011-1521.patch
+
   # Fix "import decimal" in the Turkish locale
   # cf : https://bugzilla.redhat.com/show_bug.cgi?id=694928
   patch -Np1 -i ../python-2.7.1-fix-decimal-in-turkish-locale.patch

Deleted: python-2.7-db51.diff
===================================================================
--- python-2.7-db51.diff	2011-04-15 11:51:54 UTC (rev 119809)
+++ python-2.7-db51.diff	2011-04-15 12:17:53 UTC (rev 119810)
@@ -1,42 +0,0 @@
-diff -Naur Python-2.7-orig//Modules/_bsddb.c Python-2.7/Modules/_bsddb.c
---- Python-2.7-orig//Modules/_bsddb.c	2010-05-10 00:46:46.000000000 +1000
-+++ Python-2.7/Modules/_bsddb.c	2010-10-20 13:19:26.436669911 +1000
-@@ -9765,8 +9765,11 @@
- 
-     ADD_INT(d, DB_REP_PERMANENT);
- 
--#if (DBVER >= 44)
-+#if (DBVER >= 44) && (DBVER <= 48)
-     ADD_INT(d, DB_REP_CONF_NOAUTOINIT);
-+#endif
-+    
-+#if (DBVER >= 44)
-     ADD_INT(d, DB_REP_CONF_DELAYCLIENT);
-     ADD_INT(d, DB_REP_CONF_BULK);
-     ADD_INT(d, DB_REP_CONF_NOWAIT);
-diff -Naur Python-2.7-orig//setup.py Python-2.7/setup.py
---- Python-2.7-orig//setup.py	2010-06-27 22:36:16.000000000 +1000
-+++ Python-2.7/setup.py	2010-10-20 13:10:48.256670026 +1000
-@@ -765,7 +765,7 @@
-         # a release.  Most open source OSes come with one or more
-         # versions of BerkeleyDB already installed.
- 
--        max_db_ver = (4, 8)
-+        max_db_ver = (5, 1)
-         min_db_ver = (4, 1)
-         db_setup_debug = False   # verbose debug prints from this script?
- 
-@@ -787,8 +787,12 @@
-             return True
- 
-         def gen_db_minor_ver_nums(major):
--            if major == 4:
-+            if major == 5:
-                 for x in range(max_db_ver[1]+1):
-+                    if allow_db_ver((5, x)):
-+                        yield x
-+            if major == 4:
-+                for x in range(9):
-                     if allow_db_ver((4, x)):
-                         yield x
-             elif major == 3:

Copied: python2/trunk/python-2.7-db51.patch (from rev 119809, python2/trunk/python-2.7-db51.diff)
===================================================================
--- python-2.7-db51.patch	                        (rev 0)
+++ python-2.7-db51.patch	2011-04-15 12:17:53 UTC (rev 119810)
@@ -0,0 +1,42 @@
+diff -Naur Python-2.7-orig//Modules/_bsddb.c Python-2.7/Modules/_bsddb.c
+--- Python-2.7-orig//Modules/_bsddb.c	2010-05-10 00:46:46.000000000 +1000
++++ Python-2.7/Modules/_bsddb.c	2010-10-20 13:19:26.436669911 +1000
+@@ -9765,8 +9765,11 @@
+ 
+     ADD_INT(d, DB_REP_PERMANENT);
+ 
+-#if (DBVER >= 44)
++#if (DBVER >= 44) && (DBVER <= 48)
+     ADD_INT(d, DB_REP_CONF_NOAUTOINIT);
++#endif
++    
++#if (DBVER >= 44)
+     ADD_INT(d, DB_REP_CONF_DELAYCLIENT);
+     ADD_INT(d, DB_REP_CONF_BULK);
+     ADD_INT(d, DB_REP_CONF_NOWAIT);
+diff -Naur Python-2.7-orig//setup.py Python-2.7/setup.py
+--- Python-2.7-orig//setup.py	2010-06-27 22:36:16.000000000 +1000
++++ Python-2.7/setup.py	2010-10-20 13:10:48.256670026 +1000
+@@ -765,7 +765,7 @@
+         # a release.  Most open source OSes come with one or more
+         # versions of BerkeleyDB already installed.
+ 
+-        max_db_ver = (4, 8)
++        max_db_ver = (5, 1)
+         min_db_ver = (4, 1)
+         db_setup_debug = False   # verbose debug prints from this script?
+ 
+@@ -787,8 +787,12 @@
+             return True
+ 
+         def gen_db_minor_ver_nums(major):
+-            if major == 4:
++            if major == 5:
+                 for x in range(max_db_ver[1]+1):
++                    if allow_db_ver((5, x)):
++                        yield x
++            if major == 4:
++                for x in range(9):
+                     if allow_db_ver((4, x)):
+                         yield x
+             elif major == 3:




More information about the arch-commits mailing list