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GLSA-202006-23 : Cyrus IMAP Server: Access restriction bypass

medium Nessus Plugin ID 137460

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-202006-23 (Cyrus IMAP Server: Access restriction bypass)

 An issue was discovered in Cyrus IMAP Server where sieve script uploading is excessively trusted.
 Impact :

 A user can use a sieve script to create any mailbox with administrator privileges.
 Workaround :

 Disable sieve script uploading until the upgrade is complete.

Solution

All Cyrus IMAP Server users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=net-mail/cyrus-imapd-3.0.13'

See Also

https://security.gentoo.org/glsa/202006-23

Plugin Details

Severity: Medium

ID: 137460

File Name: gentoo_GLSA-202006-23.nasl

Version: 1.3

Type: local

Published: 6/17/2020

Updated: 3/7/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.6

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

CVSS Score Source: CVE-2019-19783

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:cyrus-imapd, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 6/15/2020

Vulnerability Publication Date: 12/16/2019

Reference Information

CVE: CVE-2019-19783

GLSA: 202006-23