PYSEC-2012-20

    Dashboard / Vulnerabilities / PYSEC-2012-20

    PYSEC-2012-20

    Published: 18 Dec 2012Last Modified: 10 Jun 2026

    Summary:

    Details: OpenStack Keystone, as used in OpenStack Folsom 2012.2, does not properly implement token expiration, which allows remote authenticated users to bypass intended authorization restrictions by creating new tokens through token chaining. NOTE: this issue exists because of a CVE-2012-3426 regression.

    References: https://bugs.launchpad.net/keystone/+bug/1079216, http://www.ubuntu.com/usn/USN-1641-1, http://secunia.com/advisories/51436, http://secunia.com/advisories/51423, https://github.com/openstack/keystone/commit/38c7e46a640a94da4da89a39a5a1ea9c081f1eb5, https://github.com/openstack/keystone/commit/f9d4766249a72d8f88d75dcf1575b28dd3496681, http://www.openwall.com/lists/oss-security/2012/11/28/5, http://www.openwall.com/lists/oss-security/2012/11/28/6, http://rhn.redhat.com/errata/RHSA-2012-1557.html, http://www.securityfocus.com/bid/56727, https://exchange.xforce.ibmcloud.com/vulnerabilities/80370, https://github.com/advisories/GHSA-w66p-78g4-mr7g

    Affected packages

    Package

    Name: keystone

    Purl: pkg:pypi/keystone

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -38c7e46a640a94da4da89a39a5a1ea9c081f1eb5

    Affected versions

    12.0.2
    12.0.3

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    PYSEC-2012-20 | CVE-DB