From 500785af6b7fd78ab7170a101cfbc4cd77e2ec43 Mon Sep 17 00:00:00 2001 From: Remi Collet Date: Tue, 18 Feb 2020 09:05:12 +0100 Subject: phar: Fix #79082 Files added to tar with Phar::buildFromIterator have all-access permissions CVE-2020-7063 session: Fix #79221 Null Pointer Dereference in PHP Session Upload Progress CVE-2020-7062 --- php-bug79082.patch | 154 +++++++++++++++++++++++++++++++++++++++++++++++++++++ php-bug79221.patch | 86 ++++++++++++++++++++++++++++++ php56.spec | 14 ++++- 3 files changed, 253 insertions(+), 1 deletion(-) create mode 100644 php-bug79082.patch create mode 100644 php-bug79221.patch diff --git a/php-bug79082.patch b/php-bug79082.patch new file mode 100644 index 0000000..6df2de1 --- /dev/null +++ b/php-bug79082.patch @@ -0,0 +1,154 @@ +From ed163ca242932e7f60467fb32ec00166f4318a40 Mon Sep 17 00:00:00 2001 +From: Stanislav Malyshev +Date: Sat, 15 Feb 2020 22:17:14 -0800 +Subject: [PATCH 2/3] Fix bug #79082 - Files added to tar with + Phar::buildFromIterator have all-access permissions + +(cherry picked from commit e5c95234d87fcb8f6b7569a96a89d1e1544749a6) +--- + ext/phar/phar_object.c | 11 +++++ + ext/phar/tests/bug79082.phpt | 52 ++++++++++++++++++++ + ext/phar/tests/test79082/test79082-testfile | 1 + + ext/phar/tests/test79082/test79082-testfile2 | 1 + + 4 files changed, 65 insertions(+) + create mode 100644 ext/phar/tests/bug79082.phpt + create mode 100644 ext/phar/tests/test79082/test79082-testfile + create mode 100644 ext/phar/tests/test79082/test79082-testfile2 + +diff --git a/ext/phar/phar_object.c b/ext/phar/phar_object.c +index d69837218f..5722828c37 100644 +--- a/ext/phar/phar_object.c ++++ b/ext/phar/phar_object.c +@@ -1427,6 +1427,7 @@ static int phar_build(zend_object_iterator *iter, void *puser TSRMLS_DC) /* {{{ + zend_class_entry *ce = p_obj->c; + phar_archive_object *phar_obj = p_obj->p; + char *str = "[stream]"; ++ php_stream_statbuf ssb; + + iter->funcs->get_current_data(iter, &value TSRMLS_CC); + +@@ -1709,6 +1710,16 @@ after_open_fp: + php_stream_copy_to_stream_ex(fp, p_obj->fp, PHP_STREAM_COPY_ALL, &contents_len); + data->internal_file->uncompressed_filesize = data->internal_file->compressed_filesize = + php_stream_tell(p_obj->fp) - data->internal_file->offset; ++ if (php_stream_stat(fp, &ssb) != -1) { ++ data->internal_file->flags = ssb.sb.st_mode & PHAR_ENT_PERM_MASK ; ++ } else { ++#ifndef _WIN32 ++ mode_t mask; ++ mask = umask(0); ++ umask(mask); ++ data->internal_file->flags &= ~mask; ++#endif ++ } + } + + if (close_fp) { +diff --git a/ext/phar/tests/bug79082.phpt b/ext/phar/tests/bug79082.phpt +new file mode 100644 +index 0000000000..ca453d1b57 +--- /dev/null ++++ b/ext/phar/tests/bug79082.phpt +@@ -0,0 +1,52 @@ ++--TEST-- ++Phar: Bug #79082: Files added to tar with Phar::buildFromIterator have all-access permissions ++--SKIPIF-- ++ ++--FILE-- ++ 'tar', Phar::ZIP => 'zip'] as $mode => $ext) { ++ clearstatcache(); ++ $phar = new PharData(__DIR__ . '/test79082.' . $ext, null, null, $mode); ++ $phar->buildFromIterator(new \RecursiveDirectoryIterator(__DIR__ . '/test79082', \FilesystemIterator::SKIP_DOTS), __DIR__ . '/test79082'); ++ $phar->extractTo(__DIR__); ++ var_dump(decoct(stat(__DIR__ . '/test79082-testfile')['mode'])); ++ var_dump(decoct(stat(__DIR__ . '/test79082-testfile2')['mode'])); ++ unlink(__DIR__ . '/test79082-testfile'); ++ unlink(__DIR__ . '/test79082-testfile2'); ++} ++foreach([Phar::TAR => 'tar', Phar::ZIP => 'zip'] as $mode => $ext) { ++ clearstatcache(); ++ $phar = new PharData(__DIR__ . '/test79082-d.' . $ext, null, null, $mode); ++ $phar->buildFromDirectory(__DIR__ . '/test79082'); ++ $phar->extractTo(__DIR__); ++ var_dump(decoct(stat(__DIR__ . '/test79082-testfile')['mode'])); ++ var_dump(decoct(stat(__DIR__ . '/test79082-testfile2')['mode'])); ++ unlink(__DIR__ . '/test79082-testfile'); ++ unlink(__DIR__ . '/test79082-testfile2'); ++} ++?> ++--CLEAN-- ++ ++--EXPECT-- ++string(2) "22" ++string(6) "100644" ++string(6) "100400" ++string(6) "100644" ++string(6) "100400" ++string(6) "100644" ++string(6) "100400" ++string(6) "100644" ++string(6) "100400" +diff --git a/ext/phar/tests/test79082/test79082-testfile b/ext/phar/tests/test79082/test79082-testfile +new file mode 100644 +index 0000000000..9daeafb986 +--- /dev/null ++++ b/ext/phar/tests/test79082/test79082-testfile +@@ -0,0 +1 @@ ++test +diff --git a/ext/phar/tests/test79082/test79082-testfile2 b/ext/phar/tests/test79082/test79082-testfile2 +new file mode 100644 +index 0000000000..9daeafb986 +--- /dev/null ++++ b/ext/phar/tests/test79082/test79082-testfile2 +@@ -0,0 +1 @@ ++test +-- +2.24.1 + +From dbac37b3ea68d8a0ba7e4e519e1386bbe8eff400 Mon Sep 17 00:00:00 2001 +From: Remi Collet +Date: Tue, 18 Feb 2020 06:36:07 +0100 +Subject: [PATCH 3/3] NEWS + +--- + NEWS | 10 ++++++++++ + 1 file changed, 10 insertions(+) + +diff --git a/NEWS b/NEWS +index c387fa8f86..22e714e837 100644 +--- a/NEWS ++++ b/NEWS +@@ -1,6 +1,16 @@ + PHP NEWS + ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| + ++Backported from 7.2.28 ++ ++- Phar: ++ . Fixed bug #79082 (Files added to tar with Phar::buildFromIterator have ++ all-access permissions). (CVE-2020-7063) (stas) ++ ++- Session: ++ . Fixed bug #79221 (Null Pointer Dereference in PHP Session Upload Progress). ++ (CVE-2020-7062) (stas) ++ + Backported from 7.2.27 + + - Mbstring: +-- +2.24.1 + diff --git a/php-bug79221.patch b/php-bug79221.patch new file mode 100644 index 0000000..5940baf --- /dev/null +++ b/php-bug79221.patch @@ -0,0 +1,86 @@ +From a8b5510a30a5e8761e841c799a472c6f25560698 Mon Sep 17 00:00:00 2001 +From: Stanislav Malyshev +Date: Sat, 15 Feb 2020 20:52:19 -0800 +Subject: [PATCH 1/3] Fix bug #79221 - Null Pointer Dereference in PHP Session + Upload Progress + +(cherry picked from commit d76f7c6c636b8240e06a1fa29eebb98ad005008a) +--- + ext/session/session.c | 8 +++--- + ext/session/tests/bug79221.phpt | 45 +++++++++++++++++++++++++++++++++ + 2 files changed, 50 insertions(+), 3 deletions(-) + create mode 100644 ext/session/tests/bug79221.phpt + +diff --git a/ext/session/session.c b/ext/session/session.c +index b2d02361df..d759fcabbf 100644 +--- a/ext/session/session.c ++++ b/ext/session/session.c +@@ -2820,9 +2820,11 @@ static int php_session_rfc1867_callback(unsigned int event, void *event_data, vo + if (PS(rfc1867_cleanup)) { + php_session_rfc1867_cleanup(progress TSRMLS_CC); + } else { +- add_assoc_bool_ex(progress->data, "done", sizeof("done"), 1); +- Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed; +- php_session_rfc1867_update(progress, 1 TSRMLS_CC); ++ if (progress->data) { ++ add_assoc_bool_ex(progress->data, "done", sizeof("done"), 1); ++ Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed; ++ php_session_rfc1867_update(progress, 1 TSRMLS_CC); ++ } + } + php_rshutdown_session_globals(TSRMLS_C); + } +diff --git a/ext/session/tests/bug79221.phpt b/ext/session/tests/bug79221.phpt +new file mode 100644 +index 0000000000..b0972c4697 +--- /dev/null ++++ b/ext/session/tests/bug79221.phpt +@@ -0,0 +1,45 @@ ++--TEST-- ++Null Pointer Dereference in PHP Session Upload Progress ++--INI-- ++error_reporting=0 ++file_uploads=1 ++upload_max_filesize=1024 ++session.save_path= ++session.name=PHPSESSID ++session.serialize_handler=php ++session.use_strict_mode=0 ++session.use_cookies=1 ++session.use_only_cookies=0 ++session.upload_progress.enabled=1 ++session.upload_progress.cleanup=0 ++session.upload_progress.prefix=upload_progress_ ++session.upload_progress.name=PHP_SESSION_UPLOAD_PROGRESS ++session.upload_progress.freq=1% ++session.upload_progress.min_freq=0.000000001 ++--COOKIE-- ++PHPSESSID=session-upload ++--POST_RAW-- ++Content-Type: multipart/form-data; boundary=---------------------------20896060251896012921717172737 ++-----------------------------20896060251896012921717172737 ++Content-Disposition: form-data; name="PHPSESSID" ++ ++session-upload ++-----------------------------20896060251896012921717172737 ++Content-Disposition: form-data; name="PHP_SESSION_UPLOAD_PROGRESS" ++ ++ryat ++-----------------------------20896060251896012921717172737 ++Content-Disposition: form-data; file="file"; ryat="filename" ++ ++1 ++-----------------------------20896060251896012921717172737-- ++--FILE-- ++ - 5.6.40-18 +- phar: + Fix #79082 Files added to tar with Phar::buildFromIterator have all-access permissions + CVE-2020-7063 +- session: + Fix #79221 Null Pointer Dereference in PHP Session Upload Progress + CVE-2020-7062 + * Thu Jan 23 2020 Remi Collet - 5.6.40-17 - mbstring: Fix #79037 global buffer-overflow in mbfl_filt_conv_big5_wchar -- cgit