From fae7cf559945a51ab02fd3855eb7097c2b3ca5b6 Mon Sep 17 00:00:00 2001 From: Remi Collet Date: Tue, 27 Sep 2022 16:01:27 +0200 Subject: phar: fix #81726 DOS when using quine gzip file. CVE-2022-31628 core: fix #81727 Don't mangle HTTP variable names that clash with ones that have a specific semantic meaning. CVE-2022-31629 use oracle client library version 21.7 use ICU 71.1 --- failed.txt | 3 +- php-bug81726.patch | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ php-bug81727.patch | 77 +++++++++++++++++++++++++++++++++++++++++++++++ php.spec | 35 ++++++++++++++++++---- 4 files changed, 195 insertions(+), 7 deletions(-) create mode 100644 php-bug81726.patch create mode 100644 php-bug81727.patch diff --git a/failed.txt b/failed.txt index b653506..af8d441 100644 --- a/failed.txt +++ b/failed.txt @@ -1,10 +1,9 @@ -===== 7.3.33-3 (2022-06-07) +===== 7.3.33-4 (2022-09-29) $ grep -ar 'Tests failed' /var/lib/mock/*/build.log /var/lib/mock/scl73el7x/build.log:Tests failed : 1 /var/lib/mock/scl73el8x/build.log:Tests failed : 15 -/var/lib/mock/scl73fc34x/build.log:Tests failed : 14 /var/lib/mock/scl73fc35x/build.log:Tests failed : 14 diff --git a/php-bug81726.patch b/php-bug81726.patch new file mode 100644 index 0000000..59b28c6 --- /dev/null +++ b/php-bug81726.patch @@ -0,0 +1,87 @@ +From 96fda78bcddd1d793cf2d0ee463dbb49621b577f Mon Sep 17 00:00:00 2001 +From: "Christoph M. Becker" +Date: Mon, 25 Jul 2022 15:58:59 +0200 +Subject: [PATCH] Fix #81726: phar wrapper: DOS when using quine gzip file + +The phar wrapper needs to uncompress the file; the uncompressed file +might be compressed, so the wrapper implementation loops. This raises +potential DOS issues regarding too deep or even infinite recursion (the +latter are called compressed file quines[1]). We avoid that by +introducing a recursion limit; we choose the somewhat arbitrary limit +`3`. + +This issue has been reported by real_as3617 and gPayl0ad. + +[1] + +(cherry picked from commit 404e8bdb68350931176a5bdc86fc417b34fb583d) +--- + NEWS | 2 ++ + ext/phar/phar.c | 16 +++++++++++----- + ext/phar/tests/bug81726.gz | Bin 0 -> 204 bytes + ext/phar/tests/bug81726.phpt | 14 ++++++++++++++ + 4 files changed, 27 insertions(+), 5 deletions(-) + create mode 100644 ext/phar/tests/bug81726.gz + create mode 100644 ext/phar/tests/bug81726.phpt + +diff --git a/NEWS b/NEWS +index 87b67643f3..fe4cb9c484 100644 +--- a/NEWS ++++ b/NEWS +@@ -4,6 +4,8 @@ PHP NEWS + Backported from 7.4.31 + + - Core: ++ . Fixed bug #81726: phar wrapper: DOS when using quine gzip file. ++ (CVE-2022-31628). (cmb) + . Fixed bug #81727: Don't mangle HTTP variable names that clash with ones + that have a specific semantic meaning. (CVE-2022-31629). (Derick) + +diff --git a/ext/phar/phar.c b/ext/phar/phar.c +index 44e40d98d1..9360658cd7 100644 +--- a/ext/phar/phar.c ++++ b/ext/phar/phar.c +@@ -1593,7 +1593,8 @@ static int phar_open_from_fp(php_stream* fp, char *fname, size_t fname_len, char + const char zip_magic[] = "PK\x03\x04"; + const char gz_magic[] = "\x1f\x8b\x08"; + const char bz_magic[] = "BZh"; +- char *pos, test = '\0'; ++ char *pos; ++ int recursion_count = 3; // arbitrary limit to avoid too deep or even infinite recursion + const int window_size = 1024; + char buffer[1024 + sizeof(token)]; /* a 1024 byte window + the size of the halt_compiler token (moving window) */ + const zend_long readsize = sizeof(buffer) - sizeof(token); +@@ -1621,8 +1622,7 @@ static int phar_open_from_fp(php_stream* fp, char *fname, size_t fname_len, char + MAPPHAR_ALLOC_FAIL("internal corruption of phar \"%s\" (truncated entry)") + } + +- if (!test) { +- test = '\1'; ++ if (recursion_count) { + pos = buffer+tokenlen; + if (!memcmp(pos, gz_magic, 3)) { + char err = 0; +@@ -1682,7 +1682,10 @@ static int phar_open_from_fp(php_stream* fp, char *fname, size_t fname_len, char + compression = PHAR_FILE_COMPRESSED_GZ; + + /* now, start over */ +- test = '\0'; ++ if (!--recursion_count) { ++ MAPPHAR_ALLOC_FAIL("unable to decompress gzipped phar archive \"%s\""); ++ break; ++ } + continue; + } else if (!memcmp(pos, bz_magic, 3)) { + php_stream_filter *filter; +@@ -1720,7 +1723,10 @@ static int phar_open_from_fp(php_stream* fp, char *fname, size_t fname_len, char + compression = PHAR_FILE_COMPRESSED_BZ2; + + /* now, start over */ +- test = '\0'; ++ if (!--recursion_count) { ++ MAPPHAR_ALLOC_FAIL("unable to decompress bzipped phar archive \"%s\""); ++ break; ++ } + continue; + } + diff --git a/php-bug81727.patch b/php-bug81727.patch new file mode 100644 index 0000000..381a9e8 --- /dev/null +++ b/php-bug81727.patch @@ -0,0 +1,77 @@ +From 8b300e157e92b0e945ad813d608f076b5323d721 Mon Sep 17 00:00:00 2001 +From: Derick Rethans +Date: Fri, 9 Sep 2022 16:54:03 +0100 +Subject: [PATCH] Fix #81727: Don't mangle HTTP variable names that clash with + ones that have a specific semantic meaning. + +(cherry picked from commit 0611be4e82887cee0de6c4cbae320d34eec946ca) +--- + NEWS | 6 ++++++ + ext/standard/tests/bug81727.phpt | 15 +++++++++++++++ + main/php_variables.c | 14 ++++++++++++++ + 3 files changed, 35 insertions(+) + create mode 100644 ext/standard/tests/bug81727.phpt + +diff --git a/NEWS b/NEWS +index fd227bd33a..87b67643f3 100644 +--- a/NEWS ++++ b/NEWS +@@ -1,6 +1,12 @@ + PHP NEWS + ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| + ++Backported from 7.4.31 ++ ++- Core: ++ . Fixed bug #81727: Don't mangle HTTP variable names that clash with ones ++ that have a specific semantic meaning. (CVE-2022-31629). (Derick) ++ + Backported from 7.4.30 + + - mysqlnd: +diff --git a/ext/standard/tests/bug81727.phpt b/ext/standard/tests/bug81727.phpt +new file mode 100644 +index 0000000000..71a9cb46c8 +--- /dev/null ++++ b/ext/standard/tests/bug81727.phpt +@@ -0,0 +1,15 @@ ++--TEST-- ++Bug #81727: $_COOKIE name starting with ..Host/..Secure should be discarded ++--COOKIE-- ++..Host-test=ignore; __Host-test=correct; . Secure-test=ignore; . Elephpant=Awesome; ++--FILE-- ++ ++--EXPECT-- ++array(2) { ++ ["__Host-test"]=> ++ string(7) "correct" ++ ["__Elephpant"]=> ++ string(7) "Awesome" ++} +diff --git a/main/php_variables.c b/main/php_variables.c +index ca015352d2..f2d0c3bd98 100644 +--- a/main/php_variables.c ++++ b/main/php_variables.c +@@ -115,6 +115,20 @@ PHPAPI void php_register_variable_ex(char *var_name, zval *val, zval *track_vars + } + var_len = p - var; + ++ /* Discard variable if mangling made it start with __Host-, where pre-mangling it did not start with __Host- */ ++ if (strncmp(var, "__Host-", sizeof("__Host-")-1) == 0 && strncmp(var_name, "__Host-", sizeof("__Host-")-1) != 0) { ++ zval_ptr_dtor_nogc(val); ++ free_alloca(var_orig, use_heap); ++ return; ++ } ++ ++ /* Discard variable if mangling made it start with __Secure-, where pre-mangling it did not start with __Secure- */ ++ if (strncmp(var, "__Secure-", sizeof("__Secure-")-1) == 0 && strncmp(var_name, "__Secure-", sizeof("__Secure-")-1) != 0) { ++ zval_ptr_dtor_nogc(val); ++ free_alloca(var_orig, use_heap); ++ return; ++ } ++ + if (var_len==0) { /* empty variable name, or variable name with a space in it */ + zval_ptr_dtor_nogc(val); + free_alloca(var_orig, use_heap); diff --git a/php.spec b/php.spec index 21edd09..be40280 100644 --- a/php.spec +++ b/php.spec @@ -55,7 +55,7 @@ %global mysql_sock %(mysql_config --socket 2>/dev/null || echo /var/lib/mysql/mysql.sock) -%global oraclever 21.6 +%global oraclever 21.7 %global oraclelib 21.1 # Build for LiteSpeed Web Server (LSAPI) @@ -126,7 +126,7 @@ Summary: PHP scripting language for creating dynamic web sites Name: %{?scl_prefix}php Version: %{upver}%{?rcver:~%{rcver}} -Release: 3%{?dist} +Release: 4%{?dist} # All files licensed under PHP version 3.01, except # Zend is licensed under Zend # TSRM is licensed under BSD @@ -200,6 +200,8 @@ Patch102: php-pcre1038.patch # Security fixes (200+) Patch200: php-bug81719.patch Patch201: php-bug81720.patch +Patch202: php-bug81727.patch +Patch203: php-bug81726.patch # Fixes for tests (300+) # Factory is droped from system tzdata @@ -316,7 +318,6 @@ The %{?scl_prefix}php-dbg package contains the interactive PHP debugger. Group: Development/Languages Summary: PHP FastCGI Process Manager BuildRequires: libacl-devel -Requires(pre): %{_root_sbindir}/useradd Requires: %{?scl_prefix}php-common%{?_isa} = %{version}-%{release} %if %{with_systemd} BuildRequires: systemd-devel @@ -336,6 +337,8 @@ Requires(pre): httpd-filesystem # For php.conf in /etc/httpd/conf.d # and version 2.4.10 for proxy support in SetHandler Requires: httpd-filesystem >= 2.4.10 +%else +Requires(pre): %{_root_sbindir}/useradd %endif %description fpm @@ -856,8 +859,8 @@ Group: System Environment/Libraries # All files licensed under PHP version 3.01 License: PHP Requires: %{?scl_prefix}php-common%{?_isa} = %{version}-%{release} -# Upstream requires 4.0, we require 50 to ensure use of libicu-last / libicu65 -BuildRequires: libicu-devel >= 69 +# Upstream requires 4.0, we require 69.1 to ensure use of libicu69 +BuildRequires: libicu-devel = 69.1 %description intl @@ -970,6 +973,8 @@ sed -e 's/php-devel/%{?scl_prefix}php-devel/' -i scripts/phpize.in # security patches %patch200 -p1 -b .bug81719 %patch201 -p1 -b .bug81720 +%patch202 -p1 -b .bug81727 +%patch203 -p1 -b .bug81726 # Fixes for tests %patch300 -p1 -b .datetests @@ -1742,6 +1747,19 @@ fi %endif +%posttrans common +cat << EOF +===================================================================== + + WARNING : PHP 7.3 have reached its "End of Life" in + December 2021. Even, if this package includes some of + the important security fix, backported from 7.4, the + UPGRADE to a maintained version is very strongly RECOMMENDED. + +===================================================================== +EOF + + %{!?_licensedir:%global license %%doc} %files @@ -1916,6 +1934,13 @@ fi %changelog +* Tue Sep 27 2022 Remi Collet - 7.3.33-4 +- phar: fix #81726 DOS when using quine gzip file. CVE-2022-31628 +- core: fix #81727 Don't mangle HTTP variable names that clash with ones + that have a specific semantic meaning. CVE-2022-31629 +- use oracle client library version 21.7 +- use ICU 71.1 + * Tue Jun 7 2022 Remi Collet - 7.3.33-3 - use oracle client library version 21.6 - mysqlnd: fix #81719: mysqlnd/pdo password buffer overflow. CVE-2022-31626 -- cgit