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<patchinfo incident="9674">
  <issue tracker="bnc" id="1124356">dovecot minor version update to 2.3.3</issue>
  <issue tracker="bnc" id="1119850">L3: dsync crashes if ACL user identifier is matched and then  not matched</issue>
  <issue tracker="bnc" id="1123022">VUL-0: CVE-2019-3814: dovecot: Vulnerability in Dovecot related to SSL client certificate authentication</issue>
  <issue tracker="cve" id="2019-3814"></issue>
  <category>security</category>
  <rating>moderate</rating>
  <packager>varkoly</packager>
  <description>
This update for dovecot23 fixes the following issues:

dovecot was updated to 2.3.3 release, bringing lots of bugfixes (bsc#1124356).

Also the following security issue was fixed:

- CVE-2019-3814: A vulnerability in Dovecot related to SSL client certificate authentication  was fixed (bsc#1123022)

The package changes:

Updated pigeonhole to 0.5.3:

- Fix assertion panic occurring when managesieve service fails to
  open INBOX while saving a Sieve script. This was caused by a
  lack of cleanup after failure.
- Fix specific messages causing an assert panic with actions that
  compose a reply (e.g. vacation). With some rather weird input
  from the original message, the header folding algorithm (as
  used for composing the References header for the reply) got
  confused, causing the panic.
- IMAP FILTER=SIEVE capability: Fix FILTER SIEVE SCRIPT command
  parsing.  After finishing reading the Sieve script, the command
  parsing sometimes didn't continue with the search arguments.
  This is a time- critical bug that likely only occurs when the
  Sieve script is sent in the next TCP frame.

dovecot23 was updated to 2.3.3:

- doveconf hides more secrets now in the default output.
- ssl_dh setting is no longer enforced at startup. If it's not
  set and non-ECC DH key exchange happens, error is logged and
  client is disconnected.
- Added log_debug=&lt;filter&gt; setting.
- Added log_core_filter=&lt;log filter&gt; setting.
- quota-clone: Write to dict asynchronously
- --enable-hardening attempts to use retpoline Spectre 2
  mitigations
- lmtp proxy: Support source_ip passdb extra field.
- doveadm stats dump: Support more fields and output stddev
  by default.
- push-notification: Add SSL support for OX backend.
- NUL bytes in mail headers can cause truncated replies when fetched.
- director: Conflicting host up/down state changes may in some
  rare situations ended up in a loop of two directors constantly
  overwriting each others' changes.
- director: Fix hang/crash when multiple doveadm commands are
  being handled concurrently.
- director: Fix assert-crash if doveadm disconnects too early
- virtual plugin: Some searches used 100% CPU for many seconds
- dsync assert-crashed with acl plugin in some situations. (bsc#1119850)
- mail_attachment_detection_options=add-flags-on-save
  assert-crashed with some specific Sieve scripts.
- Mail snippet generation crashed with mails containing invalid
  Content-Type:multipart header.
- Log prefix ordering was different for some log lines.
- quota: With noenforcing option current quota usage wasn't
  updated.
- auth: Kerberos authentication against Samba assert-crashed.
- stats clients were unnecessarily chatty with the stats server.
- imapc: Fixed various assert-crashes when reconnecting to
  server.
- lmtp, submission: Fix potential crash if client disconnects
  while handling a command.
- quota: Fixed compiling with glibc-2.26 / support libtirpc.
- fts-solr: Empty search values resulted in 400 Bad Request
  errors
- fts-solr: default_ns parameter couldn't be used
- submission server crashed if relay server returned over 7 lines
  in a reply (e.g. to EHLO)

dovecot was updated to 2.3.2.1:

- SSL/TLS servers may have crashed during client disconnection
- lmtp: With lmtp_rcpt_check_quota=yes mail deliveries may have
  sometimes assert-crashed.
- v2.3.2: "make check" may have crashed with 32bit systems

dovecot was updated to 2.3.2:

- old-stats plugin: Don't temporarily enable PR_SET_DUMPABLE
  while opening /proc/self/io. This may still cause security
  problems if the process is ptrace()d at the same time.
  Instead, open it while still running as root.
- doveadm: Added mailbox cache decision&amp;remove commands. See
  doveadm-mailbox(1) man page for details.
- doveadm: Added rebuild attachments command for rebuilding
  $HasAttachment or $HasNoAttachment flags for matching mails.
  See doveadm-rebuild(1) man page for details.
- cassandra: Use fallback_consistency on more types of errors
- lmtp proxy: Support outgoing SSL/TLS connections
- lmtp: Add lmtp_rawlog_dir and lmtp_proxy_rawlog_dir settings.
- submission: Add support for rawlog_dir
- submission: Add submission_client_workarounds setting.
- lua auth: Add password_verify() function and additional fields
  in auth request.
- doveadm-server: TCP connections are hanging when there is a lot
  of network output. This especially caused hangs in
  dsync-replication.
- Using multiple type=shared mdbox namespaces crashed
- mail_fsync setting was ignored. It was always set to
  "optimized".
- lua auth: Fix potential crash at deinit
- SSL/TLS servers may have crashed if client disconnected during
  handshake.
- SSL/TLS servers: Don't send extraneous certificates to client
  when alt certs are used.
- lda, lmtp: Return-Path header without '&lt;' may have
  assert-crashed.
- lda, lmtp: Unencoded UTF-8 in email address headers may
  assert-crash
- lda: -f parameter didn't allow empty/null/domainless address
- lmtp, submission: Message size limit was hardcoded to 40 MB.
  Exceeding it caused the connection to get dropped during
  transfer.
- lmtp: Fix potential crash when delivery fails at DATA stage
- lmtp: login_greeting setting was ignored
- Fix to work with OpenSSL v1.0.2f
- systemd unit restrictions were too strict by default
- Fix potential crashes when a lot of log output was produced
- SMTP client may have assert-crashed when sending mail
- IMAP COMPRESS: Send "end of compression" marker when
  disconnecting.
- cassandra: Fix consistency=quorum to work
- dsync: Lock file generation failed if home directory didn't
  exist
- Snippet generation for HTML mails didn't ignore &amp;entities
  inside blockquotes, producing strange looking snippets.
- imapc: Fix assert-crash if getting disconnected and after
  reconnection all mails in the selected mailbox are gone.
- pop3c: Handle unexpected server disconnections without
  assert-crash
- fts: Fixes to indexing mails via virtual mailboxes.
- fts: If mails contained NUL characters, the text around it
  wasn't indexed.
- Obsolete dovecot.index.cache offsets were sometimes used.
  Trying to fetch a field that was just added to cache file may
  not have always found it.

pigeonhole was updated to 0.5.2:

- Implement plugin for the a vendor-defined IMAP capability
  called "FILTER=SIEVE". It adds the ability to manually invoke
  Sieve filtering in IMAP. More information can be found in
  doc/plugins/imap_filter_sieve.txt.
- The Sieve addess test caused an assertion panic for invalid
  addresses with UTF-8 codepoints in the localpart. Fixed by
  properly detecting invalid addresses with UTF-8 codepoints in
  the localpart and skipping these like other invalid addresses
  while iterating addresses for the address test.
- Make the length of the subject header for the vacation response
  configurable and enforce the limit in UTF-8 codepoints rather
  than bytes. The subject header for a vacation response was
  statically truncated to 256 bytes, which is too limited for
  multi-byte UTF-8 characters.
- Sieve editheader extension: Fix assertion panic occurring when
  it is used to manipulate a message header with a very large
  header field.
- Properly abort execution of the sieve_discard script upon
  error.  Before, the LDA Sieve plugin attempted to execute the
  sieve_discard script when an error occurs. This can lead to the
  message being lost.
- Fix the interaction between quota and the sieve_discard script.
  When quota was used together with a sieve_discard script, the
  message delivery did not bounce when the quota was exceeded.
- Fix crash for over quota users

This update was imported from the SUSE:SLE-15:Update update project.</description>
  <summary>Security update for dovecot23</summary>
</patchinfo>

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