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Oracle Database Account Management Protection Bypass

Oracle Database Account Management Protection Bypass
Posted Oct 21, 2011
Authored by Esteban Martinez Fayo | Site appsecinc.com

Team SHATTER Security Advisory - Oracle Database Vault provides additional protections from malicious privileged users. The protections include separation of duty for some tasks like user account management. Any user with SYSDBA privilege or DV_ACCTMGR role can bypass these protections and change any user's password (including Oracle Database Vault Owner user password) calling the OCIPasswordChange client API (the 'password' command in SqlPLUS uses this API).

tags | advisory, bypass
advisories | CVE-2011-2322, CVE-2011-3511
MD5 | 0d678abb8951e4e5b33a39a30bb28be7

Oracle Database Account Management Protection Bypass

Change Mirror Download
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TeamSHATTER Security Advisory

October 20, 2011

Risk Level:
Medium

Affected versions:
Oracle Database Server version 10gR2, 11gR1 and 11gR2


Remote exploitable:
Yes

Credits:
This vulnerability was discovered and researched by Esteban Martinez Fayo of Application Security Inc.

Details:
Oracle Database Vault provides additional protections from malicious privileged users. The protections include separation of duty for some tasks like user account management. Any user with SYSDBA privilege (CVE-2011-2322) or DV_ACCTMGR role (CVE-2011-3511) can bypass these protections and change any user's password (including Oracle Database Vault Owner user password) calling the OCIPasswordChange client API (the 'password' command in SqlPLUS uses this API).

Impact:
Users granted SYSDBA privilege (CVE-2011-2322) or DV_ACCTMGR role (CVE-2011-3511) can change any user's password (including the Oracle Database Vault Owner user password) calling the OCIPasswordChange client API ('password' command in SqlPLUS).

Vendor Status:
Vendor was contacted and a patch was released.

Workaround:
There is no workaround for this vulnerability.

Fix:
Apply Oracle Critical Patch Update October 2011 available at Oracle Support.

CVE:
CVE-2011-3511
CVE-2011-2322

Links:
http://www.teamshatter.com/topics/general/team-shatter-exclusive/database-vault-account-management-vulnerabilites
http://www.oracle.com/technetwork/topics/security/cpuoct2011-330135.html

Timeline:
Vendor Notification - 5/10/2010
Vendor Response - 6/1/2010
Fix - 10/18/2011
Public Disclosure - 10/20/2011

Application Security, Inc's database security solutions have helped over 2000 organizations secure their databases from all internal and external threats while also ensuring that those organizations meet or exceed regulatory compliance and audit requirements.

Disclaimer: The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.
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