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Vulnerability Summary for CVE-2012-3371

Original release date:07/17/2012
Last revised:08/24/2012
Source: US-CERT/NIST

Overview

The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:3.5 (LOW) (AV:N/AC:M/Au:S/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 6.8
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Required to exploit
Impact Type:Allows disruption of serviceUnknown

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External Source: CONFIRM
Name: https://github.com/openstack/nova/commit/034762e8060dcf0a11cb039b9d426b0d0bb1801d
Type: Patch Information; Exploit
Hyperlink:https://github.com/openstack/nova/commit/034762e8060dcf0a11cb039b9d426b0d0bb1801d
External Source: MLIST
Name: [openstack] 20120711 [OSSA 2012-009] Scheduler denial of service through scheduler_hints (CVE-2012-3371)
Hyperlink:https://lists.launchpad.net/openstack/msg14452.html
External Source: CONFIRM
Name: https://bugs.launchpad.net/nova/+bug/1017795
Hyperlink:https://bugs.launchpad.net/nova/+bug/1017795
External Source: UBUNTU
Name: USN-1501-1
Hyperlink:http://www.ubuntu.com/usn/USN-1501-1
External Source: BID
Name: 54388
Hyperlink:http://www.securityfocus.com/bid/54388
External Source: MLIST
Name: [oss-security] 20120711 [OSSA 2012-009] Scheduler denial of service through scheduler_hints (CVE-2012-3371)
Hyperlink:http://www.openwall.com/lists/oss-security/2012/07/11/13

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:openstack:compute:2012.2
spacerspacerNav control image* cpe:/a:openstack:folsom:2012.2
spacerspacerNav control image* cpe:/a:openstack:essex:2012.1
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3371