File openssl-CVE-2023-0466.patch of Package openssl.28540

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File openssl-CVE-2023-0466.patch of Package openssl.28540

From bccf26f7c3b921be8946bfdd1b2de48fea96f90d 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                                    |    5 +++++
 NEWS                                       |    1 +
 doc/crypto/X509_VERIFY_PARAM_set_flags.pod |    9 +++++++--
 3 files changed, 13 insertions(+), 2 deletions(-)

--- a/CHANGES
+++ b/CHANGES
@@ -4,6 +4,11 @@
 
  Changes between 1.0.2i and 1.0.2j [26 Sep 2016]
 
+  *) 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)
+     [Tomas Mraz]
+
   *) 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
--- a/NEWS
+++ b/NEWS
@@ -7,6 +7,7 @@
 
   Major changes between OpenSSL 1.0.2i and OpenSSL 1.0.2j [26 Sep 2016]
 
+      o Fixed documentation of X509_VERIFY_PARAM_add0_policy() (CVE-2023-0466)
       o Fixed handling of invalid certificate policies in leaf certificates
         (CVE-2023-0465)
       o Limited the number of nodes created in a policy tree ([CVE-2023-0464])
--- a/doc/crypto/X509_VERIFY_PARAM_set_flags.pod
+++ b/doc/crypto/X509_VERIFY_PARAM_set_flags.pod
@@ -62,8 +62,9 @@ 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
@@ -203,6 +204,10 @@ chain found is not trusted, then OpenSSL
 alternative chain can be found that is trusted. With this flag set the behaviour
 will match that of OpenSSL versions prior to 1.0.2b.
 
+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 NOTES
 
 The above functions should be used to manipulate verification parameters

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