Lucene search

K
ubuntuUbuntuUSN-3881-2
HistoryFeb 05, 2019 - 12:00 a.m.

Dovecot vulnerability

2019-02-0500:00:00
ubuntu.com
98

CVSS2

4.9

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.7

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N

AI Score

6.9

Confidence

High

EPSS

0.003

Percentile

69.4%

Releases

  • Ubuntu 12.04

Packages

  • dovecot - IMAP and POP3 email server

Details

USN-3881-1 fixed a vulnerability in Dovecot. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that Dovecot incorrectly handled client certificates. A
remote attacker in possession of a valid certificate with an empty username
field could possibly use this issue to impersonate other users.

OSVersionArchitecturePackageVersionFilename
Ubuntu12.04noarchdovecot-core< 1:2.0.19-0ubuntu2.6UNKNOWN

CVSS2

4.9

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.7

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N

AI Score

6.9

Confidence

High

EPSS

0.003

Percentile

69.4%