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From: Larry Rosenman <ler@FreeBSD.org>
Date: Mon, 18 May 2020 19:00:35 +0000 (UTC)
To: ports-committers@freebsd.org, svn-ports-all@freebsd.org,
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Subject: svn commit: r535775 - head/security/vuxml
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X-List-Received-Date: Mon, 18 May 2020 19:00:36 -0000
Author: ler
Date: Mon May 18 19:00:35 2020
New Revision: 535775
URL: https://svnweb.freebsd.org/changeset/ports/535775
Log:
security/vuxml: Report multiple dovecot vulnerabilities.
Modified:
head/security/vuxml/vuln.xml
Modified: head/security/vuxml/vuln.xml
==============================================================================
--- head/security/vuxml/vuln.xml Mon May 18 18:56:59 2020 (r535774)
+++ head/security/vuxml/vuln.xml Mon May 18 19:00:35 2020 (r535775)
@@ -58,6 +58,77 @@ Notes:
* Do not forget port variants (linux-f10-libxml2, libxml2, etc.)
-->
<vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">
+ <vuln vid="37d106a8-15a4-483e-8247-fcb68b16eaf8">
+ <topic>Dovecot -- Multiple vulnerabilities</topic>
+ <affects>
+ <package>
+ <name>dovecot</name>
+ <range><lt>2.3.10.1</lt></range>
+ </package>
+ </affects>
+ <description>
+ <body xmlns="http://www.w3.org/1999/xhtml">
+ <p>Aki Tuomi reports:</p>
+ <blockquote cite="https://dovecot.org/pipermail/dovecot-news/2020-May/000438.html">
+ <p>Vulnerability Details:
+ Sending malformed NOOP command causes crash in submission, submission-login or
+ lmtp service.
+
+Risk:
+ Remote attacker can keep submission-login service down, causing denial of
+ service attack. For lmtp the risk is neglible, as lmtp is usually behind a
+ trusted MTA.
+
+Steps to reproduce:
+ Send ``NOOP EE"FY`` to submission port, or similarly malformed command.</p>
+ <p>Vulnerability Details:
+
+ Sending command followed by sufficient number of newlines triggers a
+ use-after-free bug that might crash submission-login, submission or
+ lmtp service.
+
+Risk:
+
+ Remote attacker can keep submission-login service down, causing denial
+ of service attack. For lmtp the risk is neglible, as lmtp is usually
+ behind a trusted MTA.
+
+Steps to reproduce:
+
+ This can be currently reproduced with ASAN or Valgrind. Reliable way to
+ crash has not yet been discovered.
+ </p>
+ <p>Vulnerability Details:
+ Sending mail with empty quoted localpart causes submission or lmtp component
+ to crash.
+
+Risk:
+ Malicious actor can cause denial of service to mail delivery by repeatedly
+ sending mails with bad sender or recipient address.
+
+Steps to reproduce:
+ Send mail with envelope sender or recipient as <""@example.org>.
+
+Workaround:
+ For submission there is no workaround, but triggering the bug requires valid
+ credentials.
+ For lmtp, one can implement sufficient filtering on MTA level to prevent mails
+ with such addresses from ending up in LMTP delivery.</p>
+ </blockquote>
+ </body>
+ </description>
+ <references>
+ <url>https://dovecot.org/pipermail/dovecot-news/2020-May/000438.html</url>
+ <cvename>CVE-2020-10957</cvename>
+ <cvename>CVE-2020-10958</cvename>
+ <cvename>CVE-2020-10967</cvename>
+ </references>
+ <dates>
+ <discovery>2020-04-02</discovery>
+ <entry>2020-05-18</entry>
+ </dates>
+ </vuln>
+
<vuln vid="91ce95d5-cd15-4105-b942-af5ccc7144c1">
<topic>clamav -- multiple vulnerabilities</topic>
<affects>