CVE-2021-40085 Information

Description

An issue was discovered in OpenStack Neutron before 16.4.1 17.x before 17.2.1 and 18.x before 18.1.1. Authenticated attackers can reconfigure dnsmasq via a crafted extra_dhcp_opts value.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Reference

https://security.openstack.org/ossa/OSSA-2021-005.html https://launchpad.net/bugs/1939733 http://www.openwall.com/lists/oss-security/2021/08/31/2 https://lists.debian.org/debian-lts-announce/2021/10/msg00005.html https://www.debian.org/security/2021/dsa-4983 https://lists.debian.org/debian-lts-announce/2022/05/msg00038.html

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

6.5