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Commit 6ed8dc74 authored by Natanael Copa's avatar Natanael Copa
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main/python3: upgrade to 3.7.3

parent 0da83ab7
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......@@ -3,7 +3,7 @@
pkgname=python3
# the python2-tkinter's pkgver needs to be synchronized with this.
pkgver=3.7.2
pkgver=3.7.3
_basever="${pkgver%.*}"
pkgrel=0
pkgdesc="A high-level scripting language"
......@@ -17,7 +17,6 @@ makedepends="expat-dev openssl-dev zlib-dev ncurses-dev bzip2-dev xz-dev
sqlite-dev libffi-dev tcl-dev linux-headers gdbm-dev readline-dev
!gettext-dev"
source="https://www.python.org/ftp/python/$pkgver/Python-$pkgver.tar.xz
CVE-2019-5010.patch
fix-xattrs-glibc.patch
musl-find_library.patch
"
......@@ -155,7 +154,6 @@ wininst() {
"$subpkgdir"/usr/lib/python$_basever/distutils/command
}
sha512sums="6cd2d6d8455558783b99d55985cd7b22d67b98f41a09b4fdd96f680a630a4e035220d2b903f8c59ed513aa5ffe6730fa947ddb55bb72ce36f0e945ef8af5d971 Python-3.7.2.tar.xz
7859fe12e393995f66f42e38f01ff29abef5f64301747a02d8e49a990ce4e7f529cf2a3420c76bd5f9df09905e64a4e0451a2103c061dde5f99166e7fc370715 CVE-2019-5010.patch
sha512sums="6d9b7c0f1764e0f655a39430a3af6f7b5e3c9b7166c042e780677a54b17ad4ca6d0d9cba262c82b1b70bba8f7c28883dad4cc0d7cc194fc7d2c1b5f4f08a763a Python-3.7.3.tar.xz
37b6ee5d0d5de43799316aa111423ba5a666c17dc7f81b04c330f59c1d1565540eac4c585abe2199bbed52ebe7426001edb1c53bd0a17486a2a8e052d0f494ad fix-xattrs-glibc.patch
ab8eaa2858d5109049b1f9f553198d40e0ef8d78211ad6455f7b491af525bffb16738fed60fc84e960c4889568d25753b9e4a1494834fea48291b33f07000ec2 musl-find_library.patch"
From bc947d7cd67c96cbfbc55dd53bce52392bd6f80d Mon Sep 17 00:00:00 2001
From: Christian Heimes <christian@python.org>
Date: Tue, 15 Jan 2019 23:47:42 +0100
Subject: [PATCH] bpo-35746: Fix segfault in ssl's cert parser (GH-11569)
Fix a NULL pointer deref in ssl module. The cert parser did not handle CRL
distribution points with empty DP or URI correctly. A malicious or buggy
certificate can result into segfault.
Signed-off-by: Christian Heimes <christian@python.org>
https://bugs.python.org/issue35746
(cherry picked from commit a37f52436f9aa4b9292878b72f3ff1480e2606c3)
Co-authored-by: Christian Heimes <christian@python.org>
---
Lib/test/talos-2019-0758.pem | 22 +++++++++++++++++++
Lib/test/test_ssl.py | 22 +++++++++++++++++++
.../2019-01-15-18-16-05.bpo-35746.nMSd0j.rst | 3 +++
Modules/_ssl.c | 4 ++++
4 files changed, 51 insertions(+)
create mode 100644 Lib/test/talos-2019-0758.pem
create mode 100644 Misc/NEWS.d/next/Security/2019-01-15-18-16-05.bpo-35746.nMSd0j.rst
diff --git a/Lib/test/talos-2019-0758.pem b/Lib/test/talos-2019-0758.pem
new file mode 100644
index 000000000000..13b95a77fd8a
--- /dev/null
+++ b/Lib/test/talos-2019-0758.pem
@@ -0,0 +1,22 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
index 705f1d3245b6..0aeabc10f2a9 100644
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -79,6 +79,7 @@ def data_file(*name):
BADKEY = data_file("badkey.pem")
NOKIACERT = data_file("nokia.pem")
NULLBYTECERT = data_file("nullbytecert.pem")
+TALOS_INVALID_CRLDP = data_file("talos-2019-0758.pem")
DHFILE = data_file("ffdh3072.pem")
BYTES_DHFILE = os.fsencode(DHFILE)
@@ -293,6 +294,27 @@ def test_parse_cert(self):
self.assertEqual(p['crlDistributionPoints'],
('http://SVRIntl-G3-crl.verisign.com/SVRIntlG3.crl',))
+ def test_parse_cert_CVE_2019_5010(self):
+ p = ssl._ssl._test_decode_cert(TALOS_INVALID_CRLDP)
+ if support.verbose:
+ sys.stdout.write("\n" + pprint.pformat(p) + "\n")
+ self.assertEqual(
+ p,
+ {
+ 'issuer': (
+ (('countryName', 'UK'),), (('commonName', 'cody-ca'),)),
+ 'notAfter': 'Jun 14 18:00:58 2028 GMT',
+ 'notBefore': 'Jun 18 18:00:58 2018 GMT',
+ 'serialNumber': '02',
+ 'subject': ((('countryName', 'UK'),),
+ (('commonName',
+ 'codenomicon-vm-2.test.lal.cisco.com'),)),
+ 'subjectAltName': (
+ ('DNS', 'codenomicon-vm-2.test.lal.cisco.com'),),
+ 'version': 3
+ }
+ )
+
def test_parse_cert_CVE_2013_4238(self):
p = ssl._ssl._test_decode_cert(NULLBYTECERT)
if support.verbose:
diff --git a/Misc/NEWS.d/next/Security/2019-01-15-18-16-05.bpo-35746.nMSd0j.rst b/Misc/NEWS.d/next/Security/2019-01-15-18-16-05.bpo-35746.nMSd0j.rst
new file mode 100644
index 000000000000..dffe347eec84
--- /dev/null
+++ b/Misc/NEWS.d/next/Security/2019-01-15-18-16-05.bpo-35746.nMSd0j.rst
@@ -0,0 +1,3 @@
+[CVE-2019-5010] Fix a NULL pointer deref in ssl module. The cert parser did
+not handle CRL distribution points with empty DP or URI correctly. A
+malicious or buggy certificate can result into segfault.
diff --git a/Modules/_ssl.c b/Modules/_ssl.c
index a188d6a7291a..7365630a5eaf 100644
--- a/Modules/_ssl.c
+++ b/Modules/_ssl.c
@@ -1338,6 +1338,10 @@ _get_crl_dp(X509 *certificate) {
STACK_OF(GENERAL_NAME) *gns;
dp = sk_DIST_POINT_value(dps, i);
+ if (dp->distpoint == NULL) {
+ /* Ignore empty DP value, CVE-2019-5010 */
+ continue;
+ }
gns = dp->distpoint->name.fullname;
for (j=0; j < sk_GENERAL_NAME_num(gns); j++) {
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