CVE-2014-2828 OpenStack Identity (Keystone) DoS through V3 API authentication chaining

What is CVE-2014-2828?

CVE-2014-2828 is a high-severity denial of service vulnerability in n/a, published on 15 Apr 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The V3 API in OpenStack Identity (Keystone) 2013.1 before 2013.2.4 and icehouse before icehouse-rc2 allows remote attackers to cause a denial of service (CPU consumption) via a large number of the same authentication method in a request, aka "authentication chaining."

Weakness: CWE-287

Which versions are affected by CVE-2014-2828?

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

Products include Openstack Keystone.

How do I fix CVE-2014-2828?

Upgrade keystone to 8.0.0a0 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-2014-2828 being exploited?

There is no known exploitation of CVE-2014-2828 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2020-12690 Insufficient Session Expiration in OpenStack Keystone High 8.8
• CVE-2019-19687 OpenStack Keystone Credential Leakage High 8.8
• CVE-2026-43001 OpenStack Keystone has an Incorrect Authorization Issue High 7.9
• CVE-2021-38155 OpenStack Keystone allows information disclosure during account locking High 7.5
• CVE-2015-7546 OpenStack Identity Keystone and keystonemiddleware Insufficiently Protected Credentials High 7.5

Sources

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

Also known as DEBIAN-CVE-2014-2828, GHSA-6mv3-p2gr-wgqf, PYSEC-2014-106.