CVE-2018-20170 Information disclosure in n/a
OpenStack Keystone allows user enumeration via timing differences in authentication responses, enabling attackers to identify valid usernames.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-20170?
CVE-2018-20170 is a medium-severity vulnerability in n/a, published on 17 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OpenStack Keystone through 14.0.1 has a user enumeration vulnerability because invalid usernames have much faster responses than valid ones for a POST /v3/auth/tokens request. NOTE: the vendor's position is that this is a hardening opportunity, and not necessarily an issue that should have an OpenStack Security Advisory
Weakness: CWE-200
Which versions are affected by CVE-2018-20170?
1 open source package ship an affected version, including keystone. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
keystone PyPI | All versions | 14.1.0 |
Products include Openstack Keystone.
How do I fix CVE-2018-20170?
Upgrade keystone to 14.1.0 or later.
Is CVE-2018-20170 being exploited?
There is no known exploitation of CVE-2018-20170 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2020-12690 Insufficient Session Expiration in OpenStack Keystone
- CVE-2019-19687 OpenStack Keystone Credential Leakage
- CVE-2026-43001 OpenStack Keystone has an Incorrect Authorization Issue
- CVE-2014-2828 OpenStack Identity (Keystone) DoS through V3 API authentication chaining
- CVE-2021-38155 OpenStack Keystone allows information disclosure during account locking
Sources
Also known as GHSA-jpv2-hwjh-97c7, PYSEC-2018-9, UBUNTU-CVE-2018-20170.