From 254b4fed7120d5a01015ca1b1a597f9d68ffbb73 Mon Sep 17 00:00:00 2001 From: Remi Collet Date: Mon, 4 Jan 2021 14:28:18 +0100 Subject: Fix #77423 FILTER_VALIDATE_URL accepts URLs with invalid userinfo CVE-2020-7071 --- failed.txt | 6 +- php-bug77423.patch | 196 +++++++++++++++++++++++++++++++++++++++++++++++++++++ php72.spec | 12 +++- 3 files changed, 208 insertions(+), 6 deletions(-) create mode 100644 php-bug77423.patch diff --git a/failed.txt b/failed.txt index 2db05f8..996a89b 100644 --- a/failed.txt +++ b/failed.txt @@ -1,15 +1,13 @@ -===== 7.2.34 (2020-10-01) +===== 7.2.34-2 (2021-01-04) $ grep -r 'Tests failed' /var/lib/mock/{fc,el}*/build.log -/var/lib/mock/el6i/build.log:Tests failed : 0 -/var/lib/mock/el6x/build.log:Tests failed : 0 /var/lib/mock/el7x/build.log:Tests failed : 0 /var/lib/mock/el8x72/build.logTests failed : 17 el8x: - 5 openssl failure under investigation + 3 buildroot issue with strict openssl policy (fixed in 7.4) 1 proc_open give erratic test results :( diff --git a/php-bug77423.patch b/php-bug77423.patch new file mode 100644 index 0000000..ced3680 --- /dev/null +++ b/php-bug77423.patch @@ -0,0 +1,196 @@ +From 2d3d72412a6734e19a38ed10f385227a6238e4a6 Mon Sep 17 00:00:00 2001 +From: "Christoph M. Becker" +Date: Wed, 13 May 2020 09:36:52 +0200 +Subject: [PATCH] Fix #77423: parse_url() will deliver a wrong host to user + +To avoid that `parse_url()` returns an erroneous host, which would be +valid for `FILTER_VALIDATE_URL`, we make sure that only userinfo which +is valid according to RFC 3986 is treated as such. + +For consistency with the existing url parsing code, we use ctype +functions, although that is not necessarily correct. +--- + ext/standard/tests/strings/url_t.phpt | 6 ++-- + ext/standard/tests/url/bug77423.phpt | 30 +++++++++++++++++++ + .../tests/url/parse_url_basic_001.phpt | 6 ++-- + .../tests/url/parse_url_basic_003.phpt | 2 +- + .../tests/url/parse_url_basic_005.phpt | 2 +- + .../tests/url/parse_url_unterminated.phpt | 6 ++-- + ext/standard/url.c | 21 +++++++++++++ + 7 files changed, 59 insertions(+), 14 deletions(-) + create mode 100644 ext/standard/tests/url/bug77423.phpt + +diff --git a/ext/standard/tests/strings/url_t.phpt b/ext/standard/tests/strings/url_t.phpt +index 79ff3bc4a8e3..f564f59f0632 100644 +--- a/ext/standard/tests/strings/url_t.phpt ++++ b/ext/standard/tests/strings/url_t.phpt +@@ -575,15 +575,13 @@ $sample_urls = array ( + string(16) "some_page_ref123" + } + +---> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(7) { ++--> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(6) { + ["scheme"]=> + string(4) "http" + ["host"]=> +- string(11) "www.php.net" ++ string(26) "secret@hideout@www.php.net" + ["port"]=> + int(80) +- ["user"]=> +- string(14) "secret@hideout" + ["path"]=> + string(10) "/index.php" + ["query"]=> +diff --git a/ext/standard/tests/url/bug77423.phpt b/ext/standard/tests/url/bug77423.phpt +new file mode 100644 +index 000000000000..be03fe95e24e +--- /dev/null ++++ b/ext/standard/tests/url/bug77423.phpt +@@ -0,0 +1,30 @@ ++--TEST-- ++Bug #77423 (parse_url() will deliver a wrong host to user) ++--FILE-- ++ ++--EXPECT-- ++bool(false) ++array(3) { ++ ["scheme"]=> ++ string(4) "http" ++ ["host"]=> ++ string(19) "php.net\@aliyun.com" ++ ["path"]=> ++ string(7) "/aaa.do" ++} ++bool(false) ++array(2) { ++ ["scheme"]=> ++ string(5) "https" ++ ["host"]=> ++ string(26) "example.com\uFF03@bing.com" ++} +diff --git a/ext/standard/tests/url/parse_url_basic_001.phpt b/ext/standard/tests/url/parse_url_basic_001.phpt +index 4606849c5781..51010991326c 100644 +--- a/ext/standard/tests/url/parse_url_basic_001.phpt ++++ b/ext/standard/tests/url/parse_url_basic_001.phpt +@@ -506,15 +506,13 @@ echo "Done"; + string(16) "some_page_ref123" + } + +---> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(7) { ++--> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(6) { + ["scheme"]=> + string(4) "http" + ["host"]=> +- string(11) "www.php.net" ++ string(26) "secret@hideout@www.php.net" + ["port"]=> + int(80) +- ["user"]=> +- string(14) "secret@hideout" + ["path"]=> + string(10) "/index.php" + ["query"]=> +diff --git a/ext/standard/tests/url/parse_url_basic_003.phpt b/ext/standard/tests/url/parse_url_basic_003.phpt +index 3d5a4a344afd..7968fd3f09fd 100644 +--- a/ext/standard/tests/url/parse_url_basic_003.phpt ++++ b/ext/standard/tests/url/parse_url_basic_003.phpt +@@ -68,7 +68,7 @@ echo "Done"; + --> http://secret:@www.php.net/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(11) "www.php.net" + --> http://:hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(11) "www.php.net" + --> http://secret:hideout@www.php.net/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(11) "www.php.net" +---> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(11) "www.php.net" ++--> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(26) "secret@hideout@www.php.net" + --> http://secret:hid:out@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(11) "www.php.net" + --> nntp://news.php.net : string(12) "news.php.net" + --> ftp://ftp.gnu.org/gnu/glic/glibc.tar.gz : string(11) "ftp.gnu.org" +diff --git a/ext/standard/tests/url/parse_url_basic_005.phpt b/ext/standard/tests/url/parse_url_basic_005.phpt +index aefb33964bc4..ba778bf9035d 100644 +--- a/ext/standard/tests/url/parse_url_basic_005.phpt ++++ b/ext/standard/tests/url/parse_url_basic_005.phpt +@@ -68,7 +68,7 @@ echo "Done"; + --> http://secret:@www.php.net/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(6) "secret" + --> http://:hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(0) "" + --> http://secret:hideout@www.php.net/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(6) "secret" +---> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(14) "secret@hideout" ++--> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : NULL + --> http://secret:hid:out@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(6) "secret" + --> nntp://news.php.net : NULL + --> ftp://ftp.gnu.org/gnu/glic/glibc.tar.gz : NULL +diff --git a/ext/standard/tests/url/parse_url_unterminated.phpt b/ext/standard/tests/url/parse_url_unterminated.phpt +index 912b6a5641e8..875d93a10948 100644 +--- a/ext/standard/tests/url/parse_url_unterminated.phpt ++++ b/ext/standard/tests/url/parse_url_unterminated.phpt +@@ -508,15 +508,13 @@ echo "Done"; + string(16) "some_page_ref123" + } + +---> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(7) { ++--> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(6) { + ["scheme"]=> + string(4) "http" + ["host"]=> +- string(11) "www.php.net" ++ string(26) "secret@hideout@www.php.net" + ["port"]=> + int(80) +- ["user"]=> +- string(14) "secret@hideout" + ["path"]=> + string(10) "/index.php" + ["query"]=> +diff --git a/ext/standard/url.c b/ext/standard/url.c +index 1dd073e2bb42..8d155bb9846c 100644 +--- a/ext/standard/url.c ++++ b/ext/standard/url.c +@@ -92,6 +92,22 @@ PHPAPI php_url *php_url_parse(char const *str) + return php_url_parse_ex(str, strlen(str)); + } + ++static int is_userinfo_valid(const char *str, size_t len) ++{ ++ char *valid = "-._~!$&'()*+,;=:"; ++ char *p = str; ++ while (p - str < len) { ++ if (isalpha(*p) || isdigit(*p) || strchr(valid, *p)) { ++ p++; ++ } else if (*p == '%' && p - str <= len - 3 && isdigit(*(p+1)) && isxdigit(*(p+2))) { ++ p += 3; ++ } else { ++ return 0; ++ } ++ } ++ return 1; ++} ++ + /* {{{ php_url_parse + */ + PHPAPI php_url *php_url_parse_ex(char const *str, size_t length) +@@ -235,13 +251,18 @@ PHPAPI php_url *php_url_parse_ex(char const *str, size_t length) + ret->pass = estrndup(pp, (p-pp)); + php_replace_controlchars_ex(ret->pass, (p-pp)); + } else { ++ if (!is_userinfo_valid(s, p-s)) { ++ goto check_port; ++ } + ret->user = estrndup(s, (p-s)); + php_replace_controlchars_ex(ret->user, (p-s)); ++ + } + + s = p + 1; + } + ++check_port: + /* check for port */ + if (s < ue && *s == '[' && *(e-1) == ']') { + /* Short circuit portscan, diff --git a/php72.spec b/php72.spec index 8f002e8..5faf838 100644 --- a/php72.spec +++ b/php72.spec @@ -35,7 +35,7 @@ %else %ifarch x86_64 -%global oraclever 19.8 +%global oraclever 19.9 %else %global oraclever 19.6 %endif @@ -124,7 +124,7 @@ Summary: PHP scripting language for creating dynamic web sites Name: php Version: %{upver}%{?rcver:~%{rcver}} -Release: 1%{?dist} +Release: 2%{?dist} # All files licensed under PHP version 3.01, except # Zend is licensed under Zend # TSRM is licensed under BSD @@ -190,6 +190,7 @@ Patch91: php-7.2.0-oci8conf.patch # Upstream fixes (100+) # Security fixes (200+) +Patch200: php-bug77423.patch # Fixes for tests (300+) # Factory is droped from system tzdata @@ -225,6 +226,7 @@ BuildRequires: bzip2 BuildRequires: perl BuildRequires: autoconf BuildRequires: automake +BuildRequires: make BuildRequires: %{?dtsprefix}gcc BuildRequires: %{?dtsprefix}gcc-c++ BuildRequires: libtool @@ -437,6 +439,7 @@ Requires: php-cli%{?_isa} = %{version}-%{release} # always needed to build extension Requires: autoconf Requires: automake +Requires: make Requires: gcc Requires: gcc-c++ Requires: libtool @@ -1123,6 +1126,7 @@ low-level PHP extension for the libsodium cryptographic library. # upstream patches # security patches +%patch200 -p1 -b .bug77423 # Fixes for tests %if 0%{?fedora} >= 25 || 0%{?rhel} >= 6 @@ -2223,6 +2227,10 @@ fi %changelog +* Mon Jan 4 2021 Remi Collet - 7.2.34-2 +- Fix #77423 FILTER_VALIDATE_URL accepts URLs with invalid userinfo + CVE-2020-7071 + * Wed Sep 30 2020 Remi Collet - 7.2.34-1 - Update to 7.2.34 - http://www.php.net/releases/7_2_34.php -- cgit