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CVE-2011-4596

6.0 · MEDIUM

Multiple directory traversal vulnerabilities in OpenStack Nova before 2011.3.1, when the EC2 API and the S3/RegisterImage image-registration method are enabled, allow remote authenticated users to…

Published Dec 23, 2011openstackCWE-22EPSS 1.76%

Overview

CVE-2011-4596 is a medium-severity vulnerability affecting openstack nova. It was published on December 23, 2011 and has a CVSS 2.0 base score of 6.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Multiple directory traversal vulnerabilities in OpenStack Nova before 2011.3.1, when the EC2 API and the S3/RegisterImage image-registration method are enabled, allow remote authenticated users to overwrite arbitrary files via a crafted (1) tarball or (2) manifest.

Remediation

Check the references section for vendor advisories and patches from openstack. Update nova to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
openstacknova>= 2011.3, < 2011.3.1Affected

References

Refbugs.launchpad.net/nova/+bug/885167Refbugs.launchpad.net/nova/+bug/894755GitHubgithub.com/openstack/nova/commit/76363226bd8533256f7795bba358d7f4b8a6c9e6GitHubgithub.com/openstack/nova/commit/ad3241929ea00569c74505ed002208ce360c667eReflists.launchpad.net/openstack/msg06105.htmlRefbugs.launchpad.net/nova/+bug/885167Refbugs.launchpad.net/nova/+bug/894755GitHubgithub.com/openstack/nova/commit/76363226bd8533256f7795bba358d7f4b8a6c9e6GitHubgithub.com/openstack/nova/commit/ad3241929ea00569c74505ed002208ce360c667eReflists.launchpad.net/openstack/msg06105.html

How CyberStrike helps

Frequently asked questions

What is CVE-2011-4596?

CVE-2011-4596 is a medium-severity vulnerability affecting openstack nova. It was published on December 23, 2011 and has a CVSS 2.0 base score of 6.0 (MEDIUM).

How severe is CVE-2011-4596?

This vulnerability has a CVSS 2.0 base score of 6.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2011-4596?

Check the references section for vendor advisories and patches from openstack. Update nova to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-4596?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-4596 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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