high6.5
CVE-2021-40085
OpenStack Neutron vulnerable to authenticated attackers reconfiguring dnsmasq via crafted extra_dhcp_opts value
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | neutron | < 16.4.1 | 16.4.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Openstack | Neutron | before 16.4.1 from 17.0.0 before 17.2.1 from 18.0.0 before 18.1.1 |
| Debian | Debian Linux | Versions 9.0, 10.0, 11.0 |
References
- NVD record
- CVE.org record
- GitHub advisory
- http://www.openwall.com/lists/oss-security/2021/08/31/2
- https://launchpad.net/bugs/1939733
- https://lists.debian.org/debian-lts-announce/2021/10/msg00005.html
- https://lists.debian.org/debian-lts-announce/2022/05/msg00038.html
- https://security.openstack.org/ossa/OSSA-2021-005.html
- https://www.debian.org/security/2021/dsa-4983
- https://github.com/advisories/GHSA-fh73-gjvg-349c
- https://nvd.nist.gov/vuln/detail/CVE-2021-40085
- https://github.com/openstack/neutron/commit/df891f0593d234e01f27d7c0376d9702e178ecfb
- https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2021-361.yaml