CVE-2012-3371

Severity: low (CVSS 3.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-07-17 · updated 2026-06-16
Weakness: CWE-20

Description

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.

Affected products

OpenStack Compute: 2012.2
OpenStack Essex: 2012.1
OpenStack Folsom: 2012.2

References

http://www.openwall.com/lists/oss-security/2012/07/11/13
http://www.securityfocus.com/bid/54388
http://www.ubuntu.com/usn/USN-1501-1
https://bugs.launchpad.net/nova/+bug/1017795
https://github.com/openstack/nova/commit/034762e8060dcf0a11cb039b9d426b0d0bb1801d
https://lists.launchpad.net/openstack/msg14452.html
http://www.openwall.com/lists/oss-security/2012/07/11/13
http://www.securityfocus.com/bid/54388
http://www.ubuntu.com/usn/USN-1501-1
https://bugs.launchpad.net/nova/+bug/1017795
https://github.com/openstack/nova/commit/034762e8060dcf0a11cb039b9d426b0d0bb1801d
https://lists.launchpad.net/openstack/msg14452.html

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