dovecot-2.3.8-2.el8.2

エラータID: AXSA:2020-546:03

Release date: 
Friday, October 2, 2020 - 08:31
Subject: 
dovecot-2.3.8-2.el8.2
Affected Channels: 
Asianux Server 8 for x86_64
Severity: 
High
Description: 

Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages.

Security Fix(es):

* dovecot: Resource exhaustion via deeply nested MIME parts (CVE-2020-12100)

* dovecot: Out of bound reads in dovecot NTLM implementation (CVE-2020-12673)

* dovecot: Crash due to assert in RPA implementation (CVE-2020-12674)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVE-2020-12100
In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME parts.
CVE-2020-12673
In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because of an out-of-bounds read.
CVE-2020-12674
In Dovecot before 2.3.11.3, sending a specially formatted RPA request will crash the auth service because a length of zero is mishandled.

Solution: 

Update packages.

Additional Info: 

N/A

Download: 

SRPMS
  1. dovecot-2.3.8-2.el8.2.src.rpm
    MD5: 1f9824ce2fae3e6eebf248a02d0dc5e0
    SHA-256: c9665113ccd86bd2b5639d2881ffe90dc44b55098b9f20c80e923b735cfbaa16
    Size: 8.65 MB

Asianux Server 8 for x86_64
  1. dovecot-2.3.8-2.el8.2.x86_64.rpm
    MD5: d7509783ef2c0fe937c5174da618a907
    SHA-256: 1b28619b32d7b697566598df50b6643a0a101975301feada96ddecdd6b3d779c
    Size: 4.98 MB
  2. dovecot-mysql-2.3.8-2.el8.2.x86_64.rpm
    MD5: 4bac1cc4c89cf490ebe888895f2fcc4b
    SHA-256: 7cc570ef216dd2fbffcb96c8770d62b2878c87898f19f08da9f6450be9112269
    Size: 99.49 kB
  3. dovecot-pgsql-2.3.8-2.el8.2.x86_64.rpm
    MD5: e1664ed8e7d74307606b96104c738f93
    SHA-256: 899ab2907e848721e9692837458d0d069e63e3d49ef6713b3e2490d912584ad7
    Size: 102.73 kB
  4. dovecot-pigeonhole-2.3.8-2.el8.2.x86_64.rpm
    MD5: c888145151c947ef4d529d0a186e6f04
    SHA-256: 01f64cd0e021d60063ad09a742bb38ae42ef8d274f96f6bc7706c351ddf6713b
    Size: 452.70 kB