CVE-2014-7821
openstack-neutron: DoS via maliciously crafted dns_nameservers
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
OpenStack Neutron before 2014.1.4 and 2014.2.x before 2014.2.1 allows remote authenticated users to cause a denial of service (crash) via a crafted dns_nameservers value in the DNS configuration.
OpenStack Neutron anterior a 2014.1.4 y 2014.2.x anterior a 2014.2.1 permite a usuarios remotos autenticados causar una denegación de servicio (caída) a través de un valor dns_nameservers manipulado en la configuración DNS.
A denial of service flaw was found in the way neutron handled the 'dns_nameservers' parameter. By providing specially crafted 'dns_nameservers' values, an authenticated user could use this flaw to crash the neutron service.
OpenStack Networking is a pluggable, scalable, and API-driven system that provisions networking services to virtual machines. Its main function is to manage connectivity to and from virtual machines. As of Red Hat Enterprise Linux OpenStack Platform 4.0, 'neutron' replaces 'quantum' as the core component of OpenStack Networking. A denial of service flaw was found in the way neutron handled the 'dns_nameservers' parameter. By providing specially crafted 'dns_nameservers' values, an authenticated user could use this flaw to crash the neutron service.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2014-10-03 CVE Reserved
- 2014-11-24 CVE Published
- 2024-08-06 CVE Updated
- 2025-04-05 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
- CWE-399: Resource Management Errors
CAPEC
References (11)
| URL | Tag | Source |
|---|---|---|
| http://secunia.com/advisories/62586 | Third Party Advisory | |
| http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html | Third Party Advisory |
|
| https://bugs.launchpad.net/neutron/+bug/1378450 | Third Party Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/98818 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| http://lists.openstack.org/pipermail/openstack-announce/2014-November/000303.html | 2023-02-13 |
| URL | Date | SRC |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155351.html | 2023-02-13 | |
| http://rhn.redhat.com/errata/RHSA-2014-1938.html | 2023-02-13 | |
| http://rhn.redhat.com/errata/RHSA-2014-1942.html | 2023-02-13 | |
| http://rhn.redhat.com/errata/RHSA-2015-0044.html | 2023-02-13 | |
| https://access.redhat.com/security/cve/CVE-2014-7821 | 2015-01-13 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1163457 | 2015-01-13 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Openstack Search vendor "Openstack" | Neutron Search vendor "Openstack" for product "Neutron" | >= 2012.2.1 < 2014.1.4 Search vendor "Openstack" for product "Neutron" and version " >= 2012.2.1 < 2014.1.4" | - |
Affected
| ||||||
| Openstack Search vendor "Openstack" | Neutron Search vendor "Openstack" for product "Neutron" | >= 2014.2 < 2014.2.1 Search vendor "Openstack" for product "Neutron" and version " >= 2014.2 < 2014.2.1" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 20 Search vendor "Fedoraproject" for product "Fedora" and version "20" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Openstack Search vendor "Redhat" for product "Openstack" | 4.0 Search vendor "Redhat" for product "Openstack" and version "4.0" | - |
Affected
| ||||||