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The final version of the CSI 6.0 has been released. 
Find out why this is not just another Patch Management solution: http://secunia.com/blog/325/

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TITLE:
OpenStack Keystone EC2 Credentials Validation Security Issue

SECUNIA ADVISORY ID:
SA51423

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/51423/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=51423

RELEASE DATE:
2012-11-28

DISCUSS ADVISORY:
http://secunia.com/advisories/51423/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
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 * Criticality Level
 * Impact
 * Where
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 * CVE Reference(s)

http://secunia.com/advisories/51423/

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https://ca.secunia.com/?page=viewadvisory&vuln_id=51423

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A security issue has been reported in OpenStack Keystone, which can
be exploited by malicious users to bypass certain security
restrictions.

The security issue is caused due to an error when removing users from
a tenant, which may result in EC2-style credentials to remain valid.

SOLUTION:
Fixed in the source code repository. The fix release is scheduled for
version 2012.2.1.

PROVIDED AND/OR DISCOVERED BY:
Vijaya Erukala

ORIGINAL ADVISORY:
https://bugzilla.redhat.com/show_bug.cgi?id=880399

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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