Auth bypass in OpenStack
CVE-2017-12440
Aodh as packaged in Openstack Ocata and Newton before change-ID I8fd11a7f9fe3c0ea5f9843a89686ac06713b7851 and before Pike-rc1 does not verify that trust IDs belong to the user when creating alarm action with the scheme trust+http, which allows remote authenticated users with knowledge of trust IDs where Aodh is the trustee to obtain a Keystone token and perform unspecified authenticated actions by adding an alarm action with the scheme trust+http, and providing a trust id where Aodh is the trustee.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: +0.000
Affected products
- OpenStack — versions 07132017
Weakness classification (CWE)
References
- bugs.launchpad.net/ossn/+bug/1649333 (Patch, Third Party Advisory, Issue Tracking)
- review.openstack.org/ (Patch, Issue Tracking, Vendor Advisory)
- review.openstack.org/ (Patch, Issue Tracking, Vendor Advisory)
- www.securityfocus.com/bid/100455 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2017/dsa-3953 (vendor-advisory)
- access.redhat.com/errata/RHSA-2017:3227 (vendor-advisory)
- access.redhat.com/errata/RHSA-2018:0315 (vendor-advisory)
- review.openstack.org/ (Patch, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-12440?
- CVE-2017-12440 is a high-severity vulnerability in OpenStack, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2017-08-18.
- How severe is CVE-2017-12440?
- High severity. CVSS v3 base score is 7.5 out of 10.