CVE-2012-5571

Severity

35%

Complexity

68%

Confidentiality

48%

OpenStack Keystone Essex (2012.1) and Folsom (2012.2) does not properly handle EC2 tokens when the user role has been removed from a tenant, which allows remote authenticated users to bypass intended authorization restrictions by leveraging a token for the removed user role.

OpenStack Keystone Essex (2012.1) and Folsom (2012.2) does not properly handle EC2 tokens when the user role has been removed from a tenant, which allows remote authenticated users to bypass intended authorization restrictions by leveraging a token for the removed user role.

CVSS 2.0 Base Score 3.5. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:S/C:N/I:P/A:N).

Overview

Type

OpenStack

First reported 12 years ago

2012-12-18 01:55:00

Last updated 7 years ago

2017-08-29 01:32:00

Affected Software

OpenStack Compute (Essex) 2012.1

2012.1

OpenStack Folsom 2012.2

2012.2

References

FEDORA-2012-19341

RHSA-2012:1556

RHSA-2012:1557

51423

Vendor Advisory

51436

Vendor Advisory

[oss-security] 20121128 [OSSA 2012-018] EC2-style credentials invalidation issue (CVE-2012-5571)

Patch

[oss-security] 20121128 [OSSA 2012-019] Extension of token validity through token chaining (CVE-2012-5563)

Patch

56726

USN-1641-1

https://bugs.launchpad.net/keystone/+bug/1064914

Patch

keystone-tenant-sec-bypass(80333)

https://github.com/openstack/keystone/commit/37308dd4f3e33f7bd0f71d83fd51734d1870713b

Patch

https://github.com/openstack/keystone/commit/8735009dc5b895db265a1cd573f39f4acfca2a19

Patch

https://github.com/openstack/keystone/commit/9d68b40cb9ea818c48152e6c712ff41586ad9653

Patch

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