Univention Bugzilla – Bug 51824
dovecot: Multiple issues (4.4)
Last modified: 2020-08-26 16:35:36 CEST
New Debian dovecot 1:2.2.27-3+deb9u6 fixes: This update addresses the following issues: * Resource exhaustion via deeply nested MIME parts (CVE-2020-12100) * Out of bound reads in dovecot NTLM implementation (CVE-2020-12673) * Crash due to assert in RPA implementation (CVE-2020-12674)
--- mirror/ftp/4.4/unmaintained/4.4-2/source/dovecot_2.2.27-3+deb9u5.dsc +++ apt/ucs_4.4-0-errata4.4-5/source/dovecot_2.2.27-3+deb9u6.dsc @@ -1,3 +1,14 @@ +1:2.2.27-3+deb9u6 [Fri, 14 Aug 2020 12:28:38 -0400] Roberto C. Sanchez <roberto@debian.org>: + + * Non-maintainer upload by the LTS Team. + * Fix CVE-2020-12100 - Receiving mail with deeply nested MIME parts leads to + resource exhaustion as Dovecot attempts to parse it. (Closes: #968302) + * CVE-2020-12673 - Dovecot's NTLM implementation does not correctly check + message buffer size, which leads to reading past allocation which can lead + to crash. + * CVE-2020-12674 - Dovecot's RPA mechanism implementation accepts zero-length + message, which leads to assert-crash later on. + 1:2.2.27-3+deb9u5 [Sun, 25 Aug 2019 15:29:44 +0200] Salvatore Bonaccorso <carnil@debian.org>: * Non-maintainer upload by the Security Team. <http://10.200.17.11/4.4-5/#199086578203516061>
OK: yaml OK: announce_errata OK: patch OK: piuparts [4.4-5] 7f8e80e382 Bug #51824: dovecot 1:2.2.27-3+deb9u6 doc/errata/staging/dovecot.yaml | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
<https://errata.software-univention.de/#/?erratum=4.4x713>