Vulnerability Details : CVE-2014-3517
api/metadata/handler.py in OpenStack Compute (Nova) before 2013.2.4, 2014.x before 2014.1.2, and Juno before Juno-2, when proxying metadata requests through Neutron, makes it easier for remote attackers to guess instance ID signatures via a brute-force attack that relies on timing differences in responses to instance metadata requests.
Products affected by CVE-2014-3517
- cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
- cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
- cpe:2.3:a:openstack:nova:2014.2.0:milestone1:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2014-3517
0.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 45 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2014-3517
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST |
CWE ids for CVE-2014-3517
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-3517
-
https://bugs.launchpad.net/nova/+bug/1325128
Bug #1325128 “[OSSA 2014-024] nova metadata does not use a const...” : Bugs : OpenStack Compute (nova)Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2014/07/17/2
oss-security - [OSSA 2014-024] Use of non-constant time comparison operation (CVE-2014-3517)Patch;Third Party Advisory
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