CVE-2012-5563

Severity

40%

Complexity

80%

Confidentiality

48%

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.

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.

CVSS 2.0 Base Score 4. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:S/C:N/I:P/A:N).

Overview

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 Folsom 2012.2

2012.2

References

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

56727

USN-1641-1

https://bugs.launchpad.net/keystone/+bug/1079216

folsom-tokens-security-bypass(80370)

https://github.com/openstack/keystone/commit/38c7e46a640a94da4da89a39a5a1ea9c081f1eb5

https://github.com/openstack/keystone/commit/f9d4766249a72d8f88d75dcf1575b28dd3496681

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