==========================================================================
\nUbuntu Security Notice USN-5509-1
\nJuly 11, 2022<\/p>\n
dovecot vulnerability
\n==========================================================================<\/p>\n
A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n
– Ubuntu 22.04 LTS
\n– Ubuntu 21.10
\n– Ubuntu 20.04 LTS
\n– Ubuntu 18.04 LTS<\/p>\n
Summary:<\/p>\n
Dovecot could allow unintended access to network services.<\/p>\n
Software Description:
\n– dovecot: IMAP and POP3 email server<\/p>\n
Details:<\/p>\n
Julian Brook discovered that Dovecot incorrectly handled multiple passdb
\nconfiguration entries. In certain configurations, a remote attacker could
\npossibly use this issue to escalate privileges.<\/p>\n
Update instructions:<\/p>\n
The problem can be corrected by updating your system to the following
\npackage versions:<\/p>\n
Ubuntu 22.04 LTS:
\ndovecot-core 1:2.3.16+dfsg1-3ubuntu2.1<\/p>\n
Ubuntu 21.10:
\ndovecot-core 1:2.3.13+dfsg1-1ubuntu3.1<\/p>\n
Ubuntu 20.04 LTS:
\ndovecot-core 1:2.3.7.2-1ubuntu3.6<\/p>\n
Ubuntu 18.04 LTS:
\ndovecot-core 1:2.2.33.2-1ubuntu4.8<\/p>\n
In general, a standard system update will make all the necessary changes.<\/p>\n
References:
\nhttps:\/\/ubuntu.com\/security\/notices\/USN-5509-1
\nCVE-2022-30550<\/p>\n
Package Information:
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/dovecot\/1:2.3.16+dfsg1-3ubuntu2.1
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/dovecot\/1:2.3.13+dfsg1-1ubuntu3.1
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/dovecot\/1:2.3.7.2-1ubuntu3.6
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/dovecot\/1:2.2.33.2-1ubuntu4.8<\/p>\n","protected":false},"excerpt":{"rendered":"
========================================================================== Ubuntu Security Notice USN-5509-1 July 11, 2022 dovecot vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: – Ubuntu 22.04 LTS – Ubuntu 21.10 – Ubuntu 20.04 LTS – Ubuntu 18.04 LTS Summary: Dovecot could allow unintended access to network services. Software Description: – dovecot: IMAP and POP3 email server …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-26888","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/26888","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=26888"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/26888\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=26888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=26888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=26888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}