keystone vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
* Ubuntu 18.04 LTS
Summary
Several security issues were fixed in OpenStack Keystone.
Software Description
* keystone - OpenStack identity service
Details
It was discovered that OpenStack Keystone incorrectly handled EC2
credentials. An authenticated attacker with a limited scope could
possibly create EC2 credentials with escalated permissions.
(CVE-2020-12689, CVE-2020-12691)
It was discovered that OpenStack Keystone incorrectly handled the
list of roles provided with OAuth1 access tokens. An authenticated
user could possibly end up with more role assignments than
intended. (CVE-2020-12690)
It was discovered that OpenStack Keystone incorrectly handled EC2
signature TTL checks. A remote attacker could possibly use this
issue to reuse Authorization headers. (CVE-2020-12692)
Update instructions
The problem can be corrected by updating your system to the
following package versions:
Ubuntu 18.04 LTS
keystone - 2:13.0.4-0ubuntu1
python-keystone - 2:13.0.4-0ubuntu1
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary
changes.
References
* CVE-2020-12689
* CVE-2020-12690
* CVE-2020-12691
* CVE-2020-12692
--- Mystic BBS v1.12 A46 (Linux/64)
* Origin: BZ&BZ BBS (21:4/110)