82 lines
2.8 KiB
Diff
82 lines
2.8 KiB
Diff
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From 4a7ceb9d6427f8d368f1a8739267b1f8310ec201 Mon Sep 17 00:00:00 2001
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From: Jakub Zelenka <bukka@php.net>
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Date: Fri, 29 Mar 2024 15:27:59 +0000
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Subject: [PATCH 3/4] Fix bug GHSA-q6x7-frmf-grcw: password_verify can
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erroneously return true
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Disallow null character in bcrypt password
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(cherry picked from commit 0ba5229a3f7572846e91c8f5382e87785f543826)
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(cherry picked from commit 81794c73068d9a44bf109bbcc9793e7b56a1c051)
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---
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ext/standard/password.c | 5 +++++
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ext/standard/tests/password/password_bcrypt_errors.phpt | 6 ++++++
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2 files changed, 11 insertions(+)
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diff --git a/ext/standard/password.c b/ext/standard/password.c
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index 9fe7fb1a422..af80670246a 100644
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--- a/ext/standard/password.c
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+++ b/ext/standard/password.c
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@@ -260,6 +260,11 @@ static zend_string* php_password_bcrypt_hash(const zend_string *password, zend_a
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zval *zcost;
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zend_long cost = PHP_PASSWORD_BCRYPT_COST;
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+ if (memchr(ZSTR_VAL(password), '\0', ZSTR_LEN(password))) {
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+ php_error_docref(NULL, E_WARNING, "Bcrypt password must not contain null character");
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+ return NULL;
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+ }
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+
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if (options && (zcost = zend_hash_str_find(options, "cost", sizeof("cost")-1)) != NULL) {
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cost = zval_get_long(zcost);
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}
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diff --git a/ext/standard/tests/password/password_bcrypt_errors.phpt b/ext/standard/tests/password/password_bcrypt_errors.phpt
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index a0826080e62..f95b72670ae 100644
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--- a/ext/standard/tests/password/password_bcrypt_errors.phpt
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+++ b/ext/standard/tests/password/password_bcrypt_errors.phpt
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@@ -16,6 +16,8 @@ var_dump(password_hash("foo", PASSWORD_BCRYPT, array("salt" => 123)));
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var_dump(password_hash("foo", PASSWORD_BCRYPT, array("cost" => "foo")));
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+var_dump(password_hash("null\0password", PASSWORD_BCRYPT));
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+
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?>
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--EXPECTF--
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Warning: password_hash(): Invalid bcrypt cost parameter specified: 3 in %s on line %d
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@@ -41,3 +43,7 @@ NULL
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Warning: password_hash(): Invalid bcrypt cost parameter specified: 0 in %s on line %d
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NULL
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+
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+Warning: password_hash(): Bcrypt password must not contain null character in %s on line %d
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+NULL
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+
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--
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2.44.0
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From 027bdbc636632be49ecfad8d4191509faacb34ac Mon Sep 17 00:00:00 2001
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From: Remi Collet <remi@remirepo.net>
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Date: Wed, 10 Apr 2024 09:01:09 +0200
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Subject: [PATCH 4/4] NEWS
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(cherry picked from commit 24f77904ee2259d722559f129f96a1f145a2367b)
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---
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NEWS | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/NEWS b/NEWS
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index d63aadc6851..96a33c21637 100644
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--- a/NEWS
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+++ b/NEWS
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@@ -6,6 +6,8 @@ Backported from 8.1.28
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- Standard:
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. Fixed bug GHSA-wpj3-hf5j-x4v4 (__Host-/__Secure- cookie bypass due to
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partial CVE-2022-31629 fix). (CVE-2024-2756) (nielsdos)
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+ . Fixed bug GHSA-h746-cjrr-wfmr (password_verify can erroneously return true,
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+ opening ATO risk). (CVE-2024-3096) (Jakub Zelenka)
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Backported from 8.0.30
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--
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2.44.0
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