typos
authorHeiko Schlittermann (HS12-RIPE) <hs@schlittermann.de>
Mon, 20 Mar 2023 22:32:52 +0000 (23:32 +0100)
committerHeiko Schlittermann (HS12-RIPE) <hs@schlittermann.de>
Mon, 20 Mar 2023 22:32:52 +0000 (23:32 +0100)
templates/static/doc/security/xx [new file with mode: 0644]
templates/web/mirrors.xsl

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+CVE ID:     CVE-2021-38371
+Date:       2021-08-10
+Version(s): up to and including 4.94.2
+Reporter:   Damian Poddebniak, Fabian Ising, Hanno Böck, and Sebastian Schinzel
+Reference:  https://nostarttls.secvuln.info/
+Issue:      Possible MitM attack on STARTTLS when Exim is *sending* email.
+
+** The Exim developers do not consider this issue as a security problem.
+** Additionally, we do not have any feedback about a successful attack
+** using the scenario described below.
+
+
+Conditions to be vulnerable
+===========================
+
+Versions up to (and including) 4.94.2 are vulnerable when
+*sending* emails via a connection encrypted via STARTTLS.
+
+
+Details
+=======
+
+When Exim acting as a mail client wishes to send a message,
+a Meddler-in-the-Middle (MitM) may respond to the STARTTLS command
+by also sending a response to the *next* command, which Exim will
+erroneously treat as a trusted response.
+
+Source fixed by
+https://git.exim.org/exim.git/commit/1b9ab35f323121aabf029f0496c7227818efad14
+commit 1b9ab35f323121aabf029f0496c7227818efad14
+Author: Jeremy Harris
+Date:   Thu Jul 30 20:16:01 2020 +0100
+
+Mitigation
+==========
+
+There is - beside updating the server - no known mitigation.
+
+Fix
+===
+
+Download and build the fixed version 4.95 or a later version
+(4.96 was released in June 2022).
index de5c8f5c68cbcf03a4af8ffc786acda5c3ea6613..20e7ca0fc8169195da9bacb02b4d13bb5925424a 100644 (file)
                                        <a href="https://github.com/Exim/exim">Github</a>.
 
                                        <xsl:text>Further information on the binary and OS distributions can be found in the </xsl:text>
-                                       <a href="https://wiki.exim.org/ObtainingExim">Exim Wiki.</a>
+                                       <a href="https://wiki.exim.org/ObtainingExim">Exim Wiki</a>.
 
-                                       <xsl:text>If we published maintenance releases you can find the tarballs in the </xsl:text>
+                                       <xsl:text>If we published maintenance releases, you can find the tarballs in the </xsl:text>
                                        <a href="https://downloads.exim.org/exim4/fixes/">fixes</a>
 
-                                       <xsl:text> directory</xsl:text>
+                                       <xsl:text> directory.</xsl:text>
                                </p>
 
            <h3>Verification of Downloads</h3>