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From 51e8a84ce742db0f6c70510d0159dad8f7825908 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
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20563)
Upstream-Status: Backport from [https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=51e8a84ce742db0f6c70510d0159dad8f7825908]
CVE: CVE-2023-0466
Signed-off-by: Siddharth Doshi <sdoshi@mvista.com>
---
doc/man3/X509_VERIFY_PARAM_set_flags.pod | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/doc/man3/X509_VERIFY_PARAM_set_flags.pod b/doc/man3/X509_VERIFY_PARAM_set_flags.pod
index 75a1677..43c1900 100644
--- 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() function was added in OpenSSL 1.1.0i.
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.
--
2.35.7
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