diff options
Diffstat (limited to 'php-bug81122.patch')
| -rw-r--r-- | php-bug81122.patch | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/php-bug81122.patch b/php-bug81122.patch new file mode 100644 index 0000000..7c4dd31 --- /dev/null +++ b/php-bug81122.patch @@ -0,0 +1,88 @@ +From 881c7026fb530c247bf66cfefe8c800877a5be61 Mon Sep 17 00:00:00 2001 +From: "Christoph M. Becker" <cmbecker69@gmx.de> +Date: Mon, 14 Jun 2021 13:22:27 +0200 +Subject: [PATCH 1/2] Fix #81122: SSRF bypass in FILTER_VALIDATE_URL + +We need to ensure that the password detected by parse_url() is actually +a valid password; we can re-use is_userinfo_valid() for that. + +(cherry picked from commit a5538c62293fa782fcc382d0635cfc0c8b9190e3) +--- + ext/filter/logical_filters.c | 4 +++- + ext/filter/tests/bug81122.phpt | 21 +++++++++++++++++++++ + 2 files changed, 24 insertions(+), 1 deletion(-) + create mode 100644 ext/filter/tests/bug81122.phpt + +diff --git a/ext/filter/logical_filters.c b/ext/filter/logical_filters.c +index 9e1daffaab..f89e26471b 100644 +--- a/ext/filter/logical_filters.c ++++ b/ext/filter/logical_filters.c +@@ -515,7 +515,9 @@ bad_url: + RETURN_VALIDATION_FAILED + } + +- if (url->user != NULL && !is_userinfo_valid(url->user)) { ++ if (url->user != NULL && !is_userinfo_valid(url->user) ++ || url->pass != NULL && !is_userinfo_valid(url->pass) ++ ) { + php_url_free(url); + RETURN_VALIDATION_FAILED + +diff --git a/ext/filter/tests/bug81122.phpt b/ext/filter/tests/bug81122.phpt +new file mode 100644 +index 0000000000..d89d4114a5 +--- /dev/null ++++ b/ext/filter/tests/bug81122.phpt +@@ -0,0 +1,21 @@ ++--TEST-- ++Bug #81122 (SSRF bypass in FILTER_VALIDATE_URL) ++--SKIPIF-- ++<?php ++if (!extension_loaded('filter')) die("skip filter extension not available"); ++?> ++--FILE-- ++<?php ++$urls = [ ++ "https://example.com:\\@test.com/", ++ "https://user:\\epass@test.com", ++ "https://user:\\@test.com", ++]; ++foreach ($urls as $url) { ++ var_dump(filter_var($url, FILTER_VALIDATE_URL)); ++} ++?> ++--EXPECT-- ++bool(false) ++bool(false) ++bool(false) +-- +2.31.1 + +From c02b9243c4c62bccb97483654d530ed4ab148719 Mon Sep 17 00:00:00 2001 +From: Stanislav Malyshev <stas@php.net> +Date: Sun, 27 Jun 2021 21:57:58 -0700 +Subject: [PATCH 2/2] Fix warning + +(cherry picked from commit 190013787bbc424c240413d914e3a038f974ccef) +--- + ext/filter/logical_filters.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/ext/filter/logical_filters.c b/ext/filter/logical_filters.c +index f89e26471b..92a37f88ee 100644 +--- a/ext/filter/logical_filters.c ++++ b/ext/filter/logical_filters.c +@@ -515,8 +515,8 @@ bad_url: + RETURN_VALIDATION_FAILED + } + +- if (url->user != NULL && !is_userinfo_valid(url->user) +- || url->pass != NULL && !is_userinfo_valid(url->pass) ++ if ((url->user != NULL && !is_userinfo_valid(url->user)) ++ || (url->pass != NULL && !is_userinfo_valid(url->pass)) + ) { + php_url_free(url); + RETURN_VALIDATION_FAILED +-- +2.31.1 + |