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From fb0128af2a95ec0d1a0360be49776c5b056d1f33 Mon Sep 17 00:00:00 2001 |
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From: Stanislav Malyshev <stas@php.net> |
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Date: Mon, 23 Jun 2014 00:19:37 -0700 |
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Subject: [PATCH] Fix bug #67498 - phpinfo() Type Confusion Information Leak |
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Vulnerability |
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|
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--- |
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NEWS | 2 ++ |
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ext/standard/info.c | 8 ++++---- |
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ext/standard/tests/general_functions/bug67498.phpt | 15 +++++++++++++++ |
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3 files changed, 21 insertions(+), 4 deletions(-) |
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create mode 100644 ext/standard/tests/general_functions/bug67498.phpt |
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|
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diff --git a/ext/standard/info.c b/ext/standard/info.c |
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index 70b2e2f..0f15bbe 100644 |
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--- a/ext/standard/info.c |
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+++ b/ext/standard/info.c |
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@@ -972,16 +972,16 @@ |
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|
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php_info_print_table_start(); |
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php_info_print_table_header(2, "Variable", "Value"); |
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- if (zend_hash_find(&EG(symbol_table), "PHP_SELF", sizeof("PHP_SELF"), (void **) &data) != FAILURE) { |
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+ if (zend_hash_find(&EG(symbol_table), "PHP_SELF", sizeof("PHP_SELF"), (void **) &data) != FAILURE && Z_TYPE_PP(data) == IS_STRING) { |
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php_info_print_table_row(2, "PHP_SELF", Z_STRVAL_PP(data)); |
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} |
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- if (zend_hash_find(&EG(symbol_table), "PHP_AUTH_TYPE", sizeof("PHP_AUTH_TYPE"), (void **) &data) != FAILURE) { |
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+ if (zend_hash_find(&EG(symbol_table), "PHP_AUTH_TYPE", sizeof("PHP_AUTH_TYPE"), (void **) &data) != FAILURE && Z_TYPE_PP(data) == IS_STRING) { |
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php_info_print_table_row(2, "PHP_AUTH_TYPE", Z_STRVAL_PP(data)); |
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} |
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- if (zend_hash_find(&EG(symbol_table), "PHP_AUTH_USER", sizeof("PHP_AUTH_USER"), (void **) &data) != FAILURE) { |
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+ if (zend_hash_find(&EG(symbol_table), "PHP_AUTH_USER", sizeof("PHP_AUTH_USER"), (void **) &data) != FAILURE && Z_TYPE_PP(data) == IS_STRING) { |
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php_info_print_table_row(2, "PHP_AUTH_USER", Z_STRVAL_PP(data)); |
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} |
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- if (zend_hash_find(&EG(symbol_table), "PHP_AUTH_PW", sizeof("PHP_AUTH_PW"), (void **) &data) != FAILURE) { |
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+ if (zend_hash_find(&EG(symbol_table), "PHP_AUTH_PW", sizeof("PHP_AUTH_PW"), (void **) &data) != FAILURE && Z_TYPE_PP(data) == IS_STRING) { |
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php_info_print_table_row(2, "PHP_AUTH_PW", Z_STRVAL_PP(data)); |
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} |
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php_print_gpcse_array("_REQUEST", sizeof("_REQUEST")-1 TSRMLS_CC); |
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diff --git a/ext/standard/tests/general_functions/bug67498.phpt b/ext/standard/tests/general_functions/bug67498.phpt |
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new file mode 100644 |
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index 0000000..5b5951b |
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--- /dev/null |
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+++ b/ext/standard/tests/general_functions/bug67498.phpt |
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@@ -0,0 +1,15 @@ |
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+--TEST-- |
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+phpinfo() Type Confusion Information Leak Vulnerability |
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+--FILE-- |
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+<?php |
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+$PHP_SELF = 1; |
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+phpinfo(INFO_VARIABLES); |
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+ |
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+?> |
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+==DONE== |
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+--EXPECTF-- |
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+phpinfo() |
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+ |
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+PHP Variables |
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+%A |
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+==DONE== |
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-- |
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1.9.2 |
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