Bug 52550 - dovecot: Multiple issues (4.4)
dovecot: Multiple issues (4.4)
Status: CLOSED FIXED
Product: UCS
Classification: Unclassified
Component: Security updates
UCS 4.4
All Linux
: P3 normal (vote)
: UCS 4.4-7-errata
Assigned To: Quality Assurance
Erik Damrose
:
Depends on:
Blocks:
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Reported: 2021-01-06 11:08 CET by Quality Assurance
Modified: 2021-01-07 09:56 CET (History)
0 users

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Max CVSS v3 score: 8.2 (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N)


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Description Quality Assurance univentionstaff 2021-01-06 11:08:03 CET
New Debian dovecot 1:2.2.27-3+deb9u7 fixes:
This update addresses the following issues:
* IMAP hibernation function allows mail access (CVE-2020-24386)
* Denial of service via mail MIME parsing (CVE-2020-25275)
Comment 1 Quality Assurance univentionstaff 2021-01-06 12:01:07 CET
--- mirror/ftp/4.4/unmaintained/4.4-6/source/dovecot_2.2.27-3+deb9u6.dsc
+++ apt/ucs_4.4-0-errata4.4-7/source/dovecot_2.2.27-3+deb9u7.dsc
@@ -1,3 +1,11 @@
+1:2.2.27-3+deb9u7 [Tue, 05 Jan 2021 12:19:39 +0000] Chris Lamb <lamby@debian.org>:
+
+  * CVE-2020-24386: Prevent an issue where an attacker could cause Dovecot to
+    discover file system directory structure and even access other users'
+    emails using a pecially crafted command.
+  * CVE-2020-25275: Prevent an issue where a malicious sender can crash Dovecot
+    repeatedly by sending messages with more than 10,000 MIME parts.
+
 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.

<http://10.200.17.11/4.4-7/#199086578204598586>
Comment 2 Erik Damrose univentionstaff 2021-01-07 09:26:10 CET
OK: yaml
OK: announce_errata
OK: patch
OK: piuparts

[4.4-7] e8aa006089 Bug #52550: dovecot 1:2.2.27-3+deb9u7
 doc/errata/staging/dovecot.yaml | 14 ++++++++++++++
 1 file changed, 14 insertions(+)