CVE-2019-11500

2019-08-2800:00:00

ubuntu.com

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.614 Medium

EPSS

Percentile

97.8%

JSON

In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before
0.5.7.2), protocol processing can fail for quoted strings. This occurs
because ‘\0’ characters are mishandled, and can lead to out-of-bounds
writes and remote code execution.

Bugs

<https://bugs.launchpad.net/ubuntu/+source/dovecot/+bug/1842007>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchdovecot< 1:2.2.33.2-1ubuntu4.4UNKNOWN
ubuntu19.04noarchdovecot< 1:2.3.4.1-1ubuntu2.3UNKNOWN
ubuntu14.04noarchdovecot< 1:2.2.9-1ubuntu2.6+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchdovecot< 1:2.2.22-1ubuntu2.11UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	dovecot	< 1:2.2.33.2-1ubuntu4.4	UNKNOWN
ubuntu	19.04	noarch	dovecot	< 1:2.3.4.1-1ubuntu2.3	UNKNOWN
ubuntu	14.04	noarch	dovecot	< 1:2.2.9-1ubuntu2.6+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN
ubuntu	16.04	noarch	dovecot	< 1:2.2.22-1ubuntu2.11	UNKNOWN