From 342c2051e75d024f23b2ea09383f6067e8739d1f Mon Sep 17 00:00:00 2001 From: Carl George Date: Tue, 11 Dec 2018 08:42:08 -0600 Subject: [PATCH] Fix null pointer dereference in imap_mail CVE-2018-19935 (Fedora) --- SOURCES/php-imap.patch | 71 ++++++++++++++++++++++++++++++++++++++++++ SPECS/php72u.spec | 7 ++++- 2 files changed, 77 insertions(+), 1 deletion(-) create mode 100644 SOURCES/php-imap.patch diff --git a/SOURCES/php-imap.patch b/SOURCES/php-imap.patch new file mode 100644 index 0000000..81c2b7c --- /dev/null +++ b/SOURCES/php-imap.patch @@ -0,0 +1,71 @@ +From d8765852e0400ee2ce8ae9e2177c42731d4539d8 Mon Sep 17 00:00:00 2001 +From: Stanislav Malyshev +Date: Wed, 28 Nov 2018 15:45:51 -0800 +Subject: [PATCH] Add DISPLAY_INI_ENTRIES for imap + +--- + ext/imap/php_imap.c | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/ext/imap/php_imap.c b/ext/imap/php_imap.c +index f6feebe9f769..a23e84c08521 100644 +--- a/ext/imap/php_imap.c ++++ b/ext/imap/php_imap.c +@@ -1153,6 +1153,8 @@ PHP_MINFO_FUNCTION(imap) + php_info_print_table_row(2, "Kerberos Support", "enabled"); + #endif + php_info_print_table_end(); ++ ++ DISPLAY_INI_ENTRIES(); + } + /* }}} */ + +From 7edc639b9ff1c3576773d79d016abbeed1f93846 Mon Sep 17 00:00:00 2001 +From: Stanislav Malyshev +Date: Sun, 11 Nov 2018 10:04:01 -0800 +Subject: [PATCH] Fix #77020: null pointer dereference in imap_mail + +If an empty $message is passed to imap_mail(), we must not set message +to NULL, since _php_imap_mail() is not supposed to handle NULL pointers +(opposed to pointers to NUL). +--- + NEWS | 1 + + ext/imap/php_imap.c | 1 - + ext/imap/tests/bug77020.phpt | 15 +++++++++++++++ + 3 files changed, 16 insertions(+), 1 deletion(-) + create mode 100644 ext/imap/tests/bug77020.phpt + +diff --git a/ext/imap/php_imap.c b/ext/imap/php_imap.c +index a23e84c08521..b30440f000f3 100644 +--- a/ext/imap/php_imap.c ++++ b/ext/imap/php_imap.c +@@ -4125,7 +4125,6 @@ PHP_FUNCTION(imap_mail) + if (!ZSTR_LEN(message)) { + /* this is not really an error, so it is allowed. */ + php_error_docref(NULL, E_WARNING, "No message string in mail command"); +- message = NULL; + } + + if (_php_imap_mail(ZSTR_VAL(to), ZSTR_VAL(subject), ZSTR_VAL(message), headers?ZSTR_VAL(headers):NULL, cc?ZSTR_VAL(cc):NULL, +diff --git a/ext/imap/tests/bug77020.phpt b/ext/imap/tests/bug77020.phpt +new file mode 100644 +index 000000000000..8a65232eec6d +--- /dev/null ++++ b/ext/imap/tests/bug77020.phpt +@@ -0,0 +1,15 @@ ++--TEST-- ++Bug #77020 (null pointer dereference in imap_mail) ++--SKIPIF-- ++ ++--FILE-- ++ ++===DONE=== ++--EXPECTF-- ++Warning: imap_mail(): No message string in mail command in %s on line %d ++%s ++===DONE=== + diff --git a/SPECS/php72u.spec b/SPECS/php72u.spec index 7606a49..e9169c7 100644 --- a/SPECS/php72u.spec +++ b/SPECS/php72u.spec @@ -61,7 +61,7 @@ Summary: PHP scripting language for creating dynamic web sites Name: php72u Version: 7.2.13 -Release: 1.ius%{?dist} +Release: 2.ius%{?dist} # All files licensed under PHP version 3.01, except # Zend is licensed under Zend # TSRM is licensed under BSD @@ -114,6 +114,7 @@ Patch49: php-7.1.0-curltls.patch # Upstream fixes (100+) # Security fixes (200+) +Patch200: php-imap.patch # Fixes for tests (300+) # Factory is droped from system tzdata @@ -990,6 +991,7 @@ low-level PHP extension for the libsodium cryptographic library. # upstream patches # security patches +%patch200 -p1 -b .imap # Fixes for tests %patch300 -p1 -b .datetests @@ -1786,6 +1788,9 @@ exit 0 %changelog +* Tue Dec 11 2018 Carl George - 7.2.13-2.ius +- Fix null pointer dereference in imap_mail CVE-2018-19935 (Fedora) + * Thu Dec 06 2018 Carl George - 7.2.13-1.ius - Latest upstream