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Last updated: 9/20/2014 8:04:00 PM

CVE Publication rate: 30.1

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National Cyber Awareness System

Vulnerability Summary for CVE-2013-4463

Original release date: 02/06/2014
Last revised: 06/21/2014
Source: US-CERT/NIST

Overview

OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) via a compressed QCOW2 image. NOTE: this issue is due to an incomplete fix for CVE-2013-2096.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 2.1 (LOW) (AV:L/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: REDHAT
Name: RHSA-2014:0112
External Source: UBUNTU
Name: USN-2247-1
External Source: MLIST
Name: [oss-security] 20131031 [OSSA 2013-029] Potential Nova denial of service through compressed disk images (CVE-2013-4463, CVE-2013-4469)
External Source: CONFIRM
Name: https://bugs.launchpad.net/nova/+bug/1206081

Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)