Vulnerability Details : CVE-2013-4185
Algorithmic complexity vulnerability in OpenStack Compute (Nova) before 2013.1.3 and Havana before havana-3 does not properly handle network source security group policy updates, which allows remote authenticated users to cause a denial of service (nova-network consumption) via a large number of server-creation operations, which triggers a large number of update requests.
Vulnerability category: Denial of service
Products affected by CVE-2013-4185
- cpe:2.3:a:redhat:openstack:3.0:*:*:*:*:*:*:*
- cpe:2.3:a:openstack:compute:*:*:*:*:*:*:*:*
- cpe:2.3:a:openstack:compute:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2013-4185
0.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-4185
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST |
CWE ids for CVE-2013-4185
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-4185
-
https://bugs.launchpad.net/nova/+bug/1184041
Bug #1184041 “[OSSA 2013-020] Denial of Service in Nova network ...” : Bugs : OpenStack Compute (nova)Exploit;Third Party Advisory
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http://rhn.redhat.com/errata/RHSA-2013-1199.html
RHSA-2013:1199 - Security Advisory - Red Hat Customer PortalVendor Advisory
-
http://seclists.org/oss-sec/2013/q3/282
oss-sec: [OSSA 2013-020] Denial of Service in Nova network source security groups (CVE-2013-4185)Patch;Third Party Advisory
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