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ubuntuUbuntuUSN-5509-1
HistoryJul 11, 2022 - 12:00 a.m.

Dovecot vulnerability

2022-07-1100:00:00
ubuntu.com
531
dovecot vulnerability
ubuntu
privilege escalation
imap
pop3
email server

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.9

Confidence

High

EPSS

0.004

Percentile

72.3%

Releases

  • Ubuntu 22.04 LTS
  • Ubuntu 21.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • dovecot - IMAP and POP3 email server

Details

Julian Brook discovered that Dovecot incorrectly handled multiple passdb
configuration entries. In certain configurations, a remote attacker could
possibly use this issue to escalate privileges.

OSVersionArchitecturePackageVersionFilename
Ubuntu22.04noarchdovecot-core< 1:2.3.16+dfsg1-3ubuntu2.1UNKNOWN
Ubuntu22.04noarchdovecot-auth-lua< 1:2.3.16+dfsg1-3ubuntu2.1UNKNOWN
Ubuntu22.04noarchdovecot-auth-lua-dbgsym< 1:2.3.16+dfsg1-3ubuntu2.1UNKNOWN
Ubuntu22.04noarchdovecot-core-dbgsym< 1:2.3.16+dfsg1-3ubuntu2.1UNKNOWN
Ubuntu22.04noarchdovecot-dev< 1:2.3.16+dfsg1-3ubuntu2.1UNKNOWN
Ubuntu22.04noarchdovecot-gssapi< 1:2.3.16+dfsg1-3ubuntu2.1UNKNOWN
Ubuntu22.04noarchdovecot-gssapi-dbgsym< 1:2.3.16+dfsg1-3ubuntu2.1UNKNOWN
Ubuntu22.04noarchdovecot-imapd< 1:2.3.16+dfsg1-3ubuntu2.1UNKNOWN
Ubuntu22.04noarchdovecot-imapd-dbgsym< 1:2.3.16+dfsg1-3ubuntu2.1UNKNOWN
Ubuntu22.04noarchdovecot-ldap< 1:2.3.16+dfsg1-3ubuntu2.1UNKNOWN
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CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.9

Confidence

High

EPSS

0.004

Percentile

72.3%