CVE-2021-40085

Published: Aug 31, 2021Modified: Nov 21, 2024

6.5

Vector

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

Exploitability: 2.8 / Impact: 3.6

Source: NVD

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.

Affected (6)

Products: Openstack: Neutron · Debian: Debian Linux

1 product

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Openstack Neutron	Before 16.4.1
Openstack Neutron	From 17.0.0 to 17.2.1
Openstack Neutron	From 18.0.0 to 18.1.1

Configuration B

3 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 10.0
Debian Debian Linux	Version 11.0
Debian Debian Linux	Version 9.0

References (12)

http://www.openwall.com/lists/oss-security/2021/08/31/2

Source: cve@mitre.org

Mailing ListPatchThird Party Advisory

https://launchpad.net/bugs/1939733

Source: cve@mitre.org

ExploitIssue TrackingThird Party Advisory

https://lists.debian.org/debian-lts-announce/2021/10/msg00005.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2022/05/msg00038.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://security.openstack.org/ossa/OSSA-2021-005.html

Source: cve@mitre.org

PatchVendor Advisory

https://www.debian.org/security/2021/dsa-4983

Source: cve@mitre.org

Third Party Advisory

http://www.openwall.com/lists/oss-security/2021/08/31/2