GLSA-202009-12 : ZeroMQ: Denial of service

high Nessus Plugin ID 140567
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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-202009-12 (ZeroMQ: Denial of service)

 It was discovered that ZeroMQ does not properly handle connecting peers before a handshake is completed.
 Impact :

 An unauthenticated remote attacker able to connect to a ZeroMQ endpoint, even with CURVE encryption/authentication enabled, can cause a Denial of Service condition.
 Workaround :

 There is no known workaround at this time.

Solution

All ZeroMQ users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=net-libs/zeromq-4.3.3'

See Also

https://security.gentoo.org/glsa/202009-12

Plugin Details

Severity: High

ID: 140567

File Name: gentoo_GLSA-202009-12.nasl

Version: 1.3

Type: local

Published: 9/14/2020

Updated: 9/21/2020

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:zeromq, 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: 9/13/2020

Vulnerability Publication Date: 9/11/2020

Reference Information

CVE: CVE-2020-15166

GLSA: 202009-12