45 lines
2.0 KiB
Diff
45 lines
2.0 KiB
Diff
From 9e486cdac679dc5121db33e198e48f364ea28ff8 Mon Sep 17 00:00:00 2001
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From: Stefan Metzmacher <metze@samba.org>
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Date: Mon, 5 Dec 2022 21:31:37 +0100
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Subject: [PATCH 05/54] CVE-2022-37966 docs-xml/smbdotconf: "kerberos
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encryption types = legacy" should not be used
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BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
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Signed-off-by: Stefan Metzmacher <metze@samba.org>
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Reviewed-by: Andrew Bartlett <abartlet@samba.org>
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Reviewed-by: Ralph Boehme <slow@samba.org>
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(cherry picked from commit a4f6f51cbed53775cdfedc7eec2f28c7beb875cc)
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Conflict: NA
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Reference: https://attachments.samba.org/attachment.cgi?id=17695
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---
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.../smbdotconf/security/kerberosencryptiontypes.xml | 12 +++---------
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1 file changed, 3 insertions(+), 9 deletions(-)
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diff --git a/docs-xml/smbdotconf/security/kerberosencryptiontypes.xml b/docs-xml/smbdotconf/security/kerberosencryptiontypes.xml
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index 2c3c6c5d5fc6..a245af55f5f3 100644
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--- a/docs-xml/smbdotconf/security/kerberosencryptiontypes.xml
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+++ b/docs-xml/smbdotconf/security/kerberosencryptiontypes.xml
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@@ -37,15 +37,9 @@
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</para>
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<para>When set to <constant>legacy</constant>, only RC4-HMAC-MD5
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- is allowed. Avoiding AES this way has one a very specific use.
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- Normally, the encryption type is negotiated between the peers.
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- However, there is one scenario in which a Windows read-only domain
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- controller (RODC) advertises AES encryption, but then proxies the
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- request to a writeable DC which may not support AES encryption,
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- leading to failure of the handshake. Setting this parameter to
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- <constant>legacy</constant> would cause samba not to negotiate AES
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- encryption. It is assumed of course that the weaker legacy
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- encryption types are acceptable for the setup.
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+ is allowed. AVOID using this option, because of
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+ <ulink url="https://www.samba.org/samba/security/CVE-2022-37966.html">CVE-2022-37966</ulink> see
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+ <ulink url="https://bugzilla.samba.org/show_bug.cgi?id=15237">https://bugzilla.samba.org/show_bug.cgi?id=15237</ulink>.
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</para>
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</description>
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--
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2.34.1
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