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Ubuntu 18.04 LTS : Cyrus IMAP Server vulnerabilities (USN-4566-1)

critical Nessus Plugin ID 141178

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4566-1 advisory.

 It was dicovered that Cyrus IMAP Server could execute arbitrary code via a crafted HTTP PUT operation for an event with a long iCalendar property name. An attacker could use this vulnerability to cause a crash or possibly execute arbitrary code. (CVE-2019-11356)

 It was discovered that the Cyrus IMAP Server allow users to create any mailbox with administrative privileges. A local attacker could use this to obtain sensitive information. (CVE-2019-19783)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-4566-1

Plugin Details

Severity: Critical

ID: 141178

File Name: ubuntu_USN-4566-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 10/5/2020

Updated: 8/27/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2019-11356

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:cyrus-admin, p-cpe:/a:canonical:ubuntu_linux:cyrus-clients, p-cpe:/a:canonical:ubuntu_linux:cyrus-caldav, p-cpe:/a:canonical:ubuntu_linux:cyrus-imapd, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:cyrus-replication, p-cpe:/a:canonical:ubuntu_linux:cyrus-murder, p-cpe:/a:canonical:ubuntu_linux:cyrus-dev, p-cpe:/a:canonical:ubuntu_linux:cyrus-common, p-cpe:/a:canonical:ubuntu_linux:cyrus-pop3d, p-cpe:/a:canonical:ubuntu_linux:cyrus-nntpd, p-cpe:/a:canonical:ubuntu_linux:libcyrus-imap-perl

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 10/5/2020

Vulnerability Publication Date: 6/3/2019

Reference Information

CVE: CVE-2019-11356, CVE-2019-19783

USN: 4566-1