CVE-2021-40085: OpenStack Neutron vulnerable to authenticated attackers reconfiguring dnsmasq via crafted extra_dhcp_opts value
(updated )
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.
References
- github.com/advisories/GHSA-fh73-gjvg-349c
- github.com/openstack/neutron
- github.com/openstack/neutron/commit/df891f0593d234e01f27d7c0376d9702e178ecfb
- github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2021-361.yaml
- launchpad.net/bugs/1939733
- lists.debian.org/debian-lts-announce/2021/10/msg00005.html
- lists.debian.org/debian-lts-announce/2022/05/msg00038.html
- nvd.nist.gov/vuln/detail/CVE-2021-40085
- security.openstack.org/ossa/OSSA-2021-005.html
- www.debian.org/security/2021/dsa-4983
Code Behaviors & Features
Detect and mitigate CVE-2021-40085 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →