From cd9a376c28c6f4ce83aab53ec069234fe1d2a819 Mon Sep 17 00:00:00 2001 From: Jakub Zelenka Date: Fri, 29 Mar 2024 15:27:59 +0000 Subject: [PATCH 3/4] Fix bug GHSA-q6x7-frmf-grcw: password_verify can erroneously return true Disallow null character in bcrypt password (cherry picked from commit 0ba5229a3f7572846e91c8f5382e87785f543826) (cherry picked from commit 81794c73068d9a44bf109bbcc9793e7b56a1c051) (cherry picked from commit 4a7ceb9d6427f8d368f1a8739267b1f8310ec201) (cherry picked from commit 747100905eceffb1f67096b437001e42900eb6bb) (cherry picked from commit d22d9ebb29dce86edd622205dd1196a2796c08c7) --- ext/standard/password.c | 5 +++++ ext/standard/tests/password/password_bcrypt_errors.phpt | 6 ++++++ 2 files changed, 11 insertions(+) diff --git a/ext/standard/password.c b/ext/standard/password.c index ebf5e98f7f..10dfc77f17 100644 --- a/ext/standard/password.c +++ b/ext/standard/password.c @@ -282,6 +282,11 @@ PHP_FUNCTION(password_hash) cost = zval_get_long(option_buffer); } + if (memchr(password, '\0', password_len)) { + php_error_docref(NULL, E_WARNING, "Bcrypt password must not contain null character"); + RETURN_NULL(); + } + if (cost < 4 || cost > 31) { php_error_docref(NULL, E_WARNING, "Invalid bcrypt cost parameter specified: " ZEND_LONG_FMT, cost); RETURN_NULL(); diff --git a/ext/standard/tests/password/password_bcrypt_errors.phpt b/ext/standard/tests/password/password_bcrypt_errors.phpt index a0826080e6..f95b72670a 100644 --- a/ext/standard/tests/password/password_bcrypt_errors.phpt +++ b/ext/standard/tests/password/password_bcrypt_errors.phpt @@ -16,6 +16,8 @@ var_dump(password_hash("foo", PASSWORD_BCRYPT, array("salt" => 123))); var_dump(password_hash("foo", PASSWORD_BCRYPT, array("cost" => "foo"))); +var_dump(password_hash("null\0password", PASSWORD_BCRYPT)); + ?> --EXPECTF-- Warning: password_hash(): Invalid bcrypt cost parameter specified: 3 in %s on line %d @@ -41,3 +43,7 @@ NULL Warning: password_hash(): Invalid bcrypt cost parameter specified: 0 in %s on line %d NULL + +Warning: password_hash(): Bcrypt password must not contain null character in %s on line %d +NULL + -- 2.44.0 From 9ec5a1ed8bed7ca5a14e991ff3e767dbfa773dcd Mon Sep 17 00:00:00 2001 From: Remi Collet Date: Wed, 10 Apr 2024 09:01:09 +0200 Subject: [PATCH 4/4] NEWS (cherry picked from commit 24f77904ee2259d722559f129f96a1f145a2367b) (cherry picked from commit 027bdbc636632be49ecfad8d4191509faacb34ac) (cherry picked from commit fbeed182bb0b0c4c453e064198b5cc3814a10de0) (cherry picked from commit be830600a8e4c33a25e965d0782903e885e91c6d) --- NEWS | 2 ++ 1 file changed, 2 insertions(+) diff --git a/NEWS b/NEWS index ebe7094f36..da210bad2e 100644 --- a/NEWS +++ b/NEWS @@ -6,6 +6,8 @@ Backported from 8.1.28 - Standard: . Fixed bug GHSA-wpj3-hf5j-x4v4 (__Host-/__Secure- cookie bypass due to partial CVE-2022-31629 fix). (CVE-2024-2756) (nielsdos) + . Fixed bug GHSA-h746-cjrr-wfmr (password_verify can erroneously return true, + opening ATO risk). (CVE-2024-3096) (Jakub Zelenka) Backported from 8.0.30 -- 2.44.0