openssl-3/openssl-CVE-2023-0466.patch
2024-02-05 14:45:12 +08:00

81 lines
3.5 KiB
Diff

From f079bca52e6abf58d32cc003f32a3ab3c6781f44 Mon Sep 17 00:00:00 2001
From: Tomas Mraz <tomas@openssl.org>
Date: Tue, 21 Mar 2023 16:15:47 +0100
Subject: [PATCH] Fix documentation of X509_VERIFY_PARAM_add0_policy()
The function was incorrectly documented as enabling policy checking.
Fixes: CVE-2023-0466
---
CHANGES.md | 8 ++++++++
NEWS.md | 2 ++
doc/man3/X509_VERIFY_PARAM_set_flags.pod | 9 +++++++--
3 files changed, 17 insertions(+), 2 deletions(-)
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -30,6 +30,13 @@ breaking changes, and mappings for the l
### Changes between 3.0.7 and 3.0.8 [7 Feb 2023]
+ * Corrected documentation of X509_VERIFY_PARAM_add0_policy() to mention
+ that it does not enable policy checking. Thanks to David Benjamin for
+ discovering this issue.
+ ([CVE-2023-0466])
+
+ *Tomáš Mráz*
+
* Fixed an issue where invalid certificate policies in leaf certificates are
silently ignored by OpenSSL and other certificate policy checks are skipped
for that certificate. A malicious CA could use this to deliberately assert
@@ -19597,6 +19604,7 @@ ndif
<!-- Links -->
+[CVE-2023-0466]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0466
[CVE-2023-0465]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0465
[CVE-2023-0464]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0464
[CVE-2023-0401]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0401
--- a/NEWS.md
+++ b/NEWS.md
@@ -20,6 +20,7 @@ OpenSSL 3.0
### Major changes between OpenSSL 3.0.7 and OpenSSL 3.0.8 [7 Feb 2023]
+ * Fixed documentation of X509_VERIFY_PARAM_add0_policy() ([CVE-2023-0466])
* Fixed handling of invalid certificate policies in leaf certificates
([CVE-2023-0465])
* Limited the number of nodes created in a policy tree ([CVE-2023-0464])
@@ -1433,6 +1434,7 @@ OpenSSL 0.9.x
* Support for various new platforms
<!-- Links -->
+[CVE-2023-0466]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0466
[CVE-2023-0465]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0465
[CVE-2023-0464]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0464
[CVE-2023-0401]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0401
--- a/doc/man3/X509_VERIFY_PARAM_set_flags.pod
+++ b/doc/man3/X509_VERIFY_PARAM_set_flags.pod
@@ -98,8 +98,9 @@ B<trust>.
X509_VERIFY_PARAM_set_time() sets the verification time in B<param> to
B<t>. Normally the current time is used.
-X509_VERIFY_PARAM_add0_policy() enables policy checking (it is disabled
-by default) and adds B<policy> to the acceptable policy set.
+X509_VERIFY_PARAM_add0_policy() adds B<policy> to the acceptable policy set.
+Contrary to preexisting documentation of this function it does not enable
+policy checking.
X509_VERIFY_PARAM_set1_policies() enables policy checking (it is disabled
by default) and sets the acceptable policy set to B<policies>. Any existing
@@ -400,6 +401,10 @@ The X509_VERIFY_PARAM_get_hostflags() fu
The X509_VERIFY_PARAM_get0_host(), X509_VERIFY_PARAM_get0_email(),
and X509_VERIFY_PARAM_get1_ip_asc() functions were added in OpenSSL 3.0.
+The function X509_VERIFY_PARAM_add0_policy() was historically documented as
+enabling policy checking however the implementation has never done this.
+The documentation was changed to align with the implementation.
+
=head1 COPYRIGHT
Copyright 2009-2023 The OpenSSL Project Authors. All Rights Reserved.