• OpenStack Keystone vulnerabilities

    From bugz_ubuntu@21:4/110 to Ubuntu Users on Tue Sep 1 16:10:02 2020
    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)