CVE-2015-1881 OpenStack Glance Denial of service by creating a large number of images

What is CVE-2015-1881?

CVE-2015-1881 is a medium-severity denial of service vulnerability in n/a, published on 24 Feb 2015. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

OpenStack Image Registry and Delivery Service (Glance) 2014.2 through 2014.2.2 does not properly remove images, which allows remote authenticated users to cause a denial of service (disk consumption) by creating a large number of images using the task v2 API and then deleting them, a different vulnerability than CVE-2014-9684.

Weakness: CWE-399

Which versions are affected by CVE-2015-1881?

3 open source packages ship an affected version, including glance. It affects 1 product.

Products include Openstack Image Registry and Delivery Service \(Glance\).

How do I fix CVE-2015-1881?

Upgrade glance to 11.0.0a0 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2015-1881 being exploited?

There is no known exploitation of CVE-2015-1881 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2015-5286 OpenStack Image Service (Glance) allows remote authenticated users to bypass storage quota, cause denial of service Medium 6.8
• CVE-2015-1195 OpenStack Glance v2 API unrestricted path traversal through filesystem:// scheme Medium 6.5
• CVE-2015-5251 OpenStack Image Service (Glance) allows remote authenticated users to bypass access restrictions Medium 5.5
• CVE-2014-9493 Path traversal in n/a Medium 5.5
• CVE-2016-0757 OpenStack Image Service (Glance) vulnerable to Improper Access Control Medium 4.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-4jp4-3c62-r8jv, PYSEC-2015-38.