diff options
| -rw-r--r-- | system/python3/APKBUILD | 8 | ||||
| -rw-r--r-- | system/python3/CVE-2019-16056.patch | 131 |
2 files changed, 137 insertions, 2 deletions
diff --git a/system/python3/APKBUILD b/system/python3/APKBUILD index 250f259b6..4fefa4e22 100644 --- a/system/python3/APKBUILD +++ b/system/python3/APKBUILD @@ -3,7 +3,7 @@ pkgname=python3 pkgver=3.6.9 _basever="${pkgver%.*}" -pkgrel=0 +pkgrel=1 pkgdesc="A high-level scripting language" url="https://www.python.org" arch="all" @@ -40,6 +40,7 @@ makedepends="expat-dev openssl-dev zlib-dev ncurses-dev bzip2-dev xz-dev source="https://www.python.org/ftp/python/$pkgver/Python-$pkgver.tar.xz musl-find_library.patch fix-xattrs-glibc.patch + CVE-2019-16056.patch " builddir="$srcdir/Python-$pkgver" @@ -57,6 +58,8 @@ builddir="$srcdir/Python-$pkgver" # - CVE-2018-20852 # - CVE-2019-5010 # - CVE-2019-9948 +# 3.6.9-r1: +# - CVE-2019-16056 prepare() { default_prepare @@ -184,4 +187,5 @@ wininst() { sha512sums="05de9c6f44d96a52bfce10ede4312de892573edaf8bece65926d19973a3a800d65eed7a857af945f69efcfb25efa3788e7a54016b03d80b611eb51c3ea074819 Python-3.6.9.tar.xz ab8eaa2858d5109049b1f9f553198d40e0ef8d78211ad6455f7b491af525bffb16738fed60fc84e960c4889568d25753b9e4a1494834fea48291b33f07000ec2 musl-find_library.patch -37b6ee5d0d5de43799316aa111423ba5a666c17dc7f81b04c330f59c1d1565540eac4c585abe2199bbed52ebe7426001edb1c53bd0a17486a2a8e052d0f494ad fix-xattrs-glibc.patch" +37b6ee5d0d5de43799316aa111423ba5a666c17dc7f81b04c330f59c1d1565540eac4c585abe2199bbed52ebe7426001edb1c53bd0a17486a2a8e052d0f494ad fix-xattrs-glibc.patch +1f1eb61355eb7832bef8e9c3915895cc3b2966a30c809371430b4416260452cd39c48ba593b2259574867bd1e8fea98efbc45c4b0bd95aeb0690c8514b380ea0 CVE-2019-16056.patch" diff --git a/system/python3/CVE-2019-16056.patch b/system/python3/CVE-2019-16056.patch new file mode 100644 index 000000000..b2f5ce826 --- /dev/null +++ b/system/python3/CVE-2019-16056.patch @@ -0,0 +1,131 @@ +From 13a19139b5e76175bc95294d54afc9425e4f36c9 Mon Sep 17 00:00:00 2001 +From: "Miss Islington (bot)" + <31488909+miss-islington@users.noreply.github.com> +Date: Fri, 9 Aug 2019 08:22:19 -0700 +Subject: [PATCH] bpo-34155: Dont parse domains containing @ (GH-13079) + (GH-14826) + +Before: + + >>> email.message_from_string('From: a@malicious.org@important.com', policy=email.policy.default)['from'].addresses + (Address(display_name='', username='a', domain='malicious.org'),) + + >>> parseaddr('a@malicious.org@important.com') + ('', 'a@malicious.org') + + After: + + >>> email.message_from_string('From: a@malicious.org@important.com', policy=email.policy.default)['from'].addresses + (Address(display_name='', username='', domain=''),) + + >>> parseaddr('a@malicious.org@important.com') + ('', 'a@') + +https://bugs.python.org/issue34155 +(cherry picked from commit 8cb65d1381b027f0b09ee36bfed7f35bb4dec9a9) + +Co-authored-by: jpic <jpic@users.noreply.github.com> +--- + Lib/email/_header_value_parser.py | 2 ++ + Lib/email/_parseaddr.py | 11 ++++++++++- + Lib/test/test_email/test__header_value_parser.py | 10 ++++++++++ + Lib/test/test_email/test_email.py | 14 ++++++++++++++ + .../2019-05-04-13-33-37.bpo-34155.MJll68.rst | 1 + + 5 files changed, 37 insertions(+), 1 deletion(-) + create mode 100644 Misc/NEWS.d/next/Security/2019-05-04-13-33-37.bpo-34155.MJll68.rst + +diff --git a/Lib/email/_header_value_parser.py b/Lib/email/_header_value_parser.py +index 737951e4b1b1..bc9c9b6241d4 100644 +--- a/Lib/email/_header_value_parser.py ++++ b/Lib/email/_header_value_parser.py +@@ -1561,6 +1561,8 @@ def get_domain(value): + token, value = get_dot_atom(value) + except errors.HeaderParseError: + token, value = get_atom(value) ++ if value and value[0] == '@': ++ raise errors.HeaderParseError('Invalid Domain') + if leader is not None: + token[:0] = [leader] + domain.append(token) +diff --git a/Lib/email/_parseaddr.py b/Lib/email/_parseaddr.py +index cdfa3729adc7..41ff6f8c000d 100644 +--- a/Lib/email/_parseaddr.py ++++ b/Lib/email/_parseaddr.py +@@ -379,7 +379,12 @@ def getaddrspec(self): + aslist.append('@') + self.pos += 1 + self.gotonext() +- return EMPTYSTRING.join(aslist) + self.getdomain() ++ domain = self.getdomain() ++ if not domain: ++ # Invalid domain, return an empty address instead of returning a ++ # local part to denote failed parsing. ++ return EMPTYSTRING ++ return EMPTYSTRING.join(aslist) + domain + + def getdomain(self): + """Get the complete domain name from an address.""" +@@ -394,6 +399,10 @@ def getdomain(self): + elif self.field[self.pos] == '.': + self.pos += 1 + sdlist.append('.') ++ elif self.field[self.pos] == '@': ++ # bpo-34155: Don't parse domains with two `@` like ++ # `a@malicious.org@important.com`. ++ return EMPTYSTRING + elif self.field[self.pos] in self.atomends: + break + else: +diff --git a/Lib/test/test_email/test__header_value_parser.py b/Lib/test/test_email/test__header_value_parser.py +index a2c900fa7fd2..02ef3e1006c6 100644 +--- a/Lib/test/test_email/test__header_value_parser.py ++++ b/Lib/test/test_email/test__header_value_parser.py +@@ -1418,6 +1418,16 @@ def test_get_addr_spec_dot_atom(self): + self.assertEqual(addr_spec.domain, 'example.com') + self.assertEqual(addr_spec.addr_spec, 'star.a.star@example.com') + ++ def test_get_addr_spec_multiple_domains(self): ++ with self.assertRaises(errors.HeaderParseError): ++ parser.get_addr_spec('star@a.star@example.com') ++ ++ with self.assertRaises(errors.HeaderParseError): ++ parser.get_addr_spec('star@a@example.com') ++ ++ with self.assertRaises(errors.HeaderParseError): ++ parser.get_addr_spec('star@172.17.0.1@example.com') ++ + # get_obs_route + + def test_get_obs_route_simple(self): +diff --git a/Lib/test/test_email/test_email.py b/Lib/test/test_email/test_email.py +index f97ccc6711cc..68d052279987 100644 +--- a/Lib/test/test_email/test_email.py ++++ b/Lib/test/test_email/test_email.py +@@ -3035,6 +3035,20 @@ def test_parseaddr_empty(self): + self.assertEqual(utils.parseaddr('<>'), ('', '')) + self.assertEqual(utils.formataddr(utils.parseaddr('<>')), '') + ++ def test_parseaddr_multiple_domains(self): ++ self.assertEqual( ++ utils.parseaddr('a@b@c'), ++ ('', '') ++ ) ++ self.assertEqual( ++ utils.parseaddr('a@b.c@c'), ++ ('', '') ++ ) ++ self.assertEqual( ++ utils.parseaddr('a@172.17.0.1@c'), ++ ('', '') ++ ) ++ + def test_noquote_dump(self): + self.assertEqual( + utils.formataddr(('A Silly Person', 'person@dom.ain')), +diff --git a/Misc/NEWS.d/next/Security/2019-05-04-13-33-37.bpo-34155.MJll68.rst b/Misc/NEWS.d/next/Security/2019-05-04-13-33-37.bpo-34155.MJll68.rst +new file mode 100644 +index 000000000000..50292e29ed1d +--- /dev/null ++++ b/Misc/NEWS.d/next/Security/2019-05-04-13-33-37.bpo-34155.MJll68.rst +@@ -0,0 +1 @@ ++Fix parsing of invalid email addresses with more than one ``@`` (e.g. a@b@c.com.) to not return the part before 2nd ``@`` as valid email address. Patch by maxking & jpic. |