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

Dovecot vulnerability

2022-07-1100:00:00
ubuntu.com
320

8.8 High

CVSS3

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

8.9 High

AI Score

Confidence

High

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

0.004 Low

EPSS

Percentile

72.0%

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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8.8 High

CVSS3

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

8.9 High

AI Score

Confidence

High

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

0.004 Low

EPSS

Percentile

72.0%