Hitachi Cosminexus Application Server group permissions security bypass

cosminexus-group-security-bypass (36245) The risk level is classified as MediumMedium Risk

Description:

The Hitachi Cosminexus Application Server could allow a local attacker to bypass security restrictions, caused by the incorrect handling of group permissions. When a logical J2EE server or a logical user server is started from Cosminexus Manager, a local attacker could assign the group permissions of another user to an active server process. An attacker could exploit this vulnerability to bypass security restrictions and gain unauthorized access to files and directories.

*CVSS:

Base Score: 4.4
  Access Vector: Local
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 3.3
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Bypass Security

Remedy:

Refer to HS07-025 for patch, upgrade, or suggested workaround information. See References.

References:

  • HS07-025: Problem about Illegal Granting of Group Permissions in Cosminexus Application Server.
  • BID-25434: Hitachi Cosminexus Application Server Multiple Unauthorized Access Weaknesses
  • CVE-2007-4563: Cosminexus Manager in Cosminexus Application Server 06-50 and later might assign the wrong user's group permissions to logical J2EE server processes, which allows local users to gain privileges.
  • CVE-2007-4564: Cosminexus Manager in Cosminexus Application Server 07-00 and later might assign the wrong user's group permissions to logical user server processes, which allows local users to gain privileges.
  • SA26589: Hitachi Cosminexus Application Server Incorrect Handling of Group Permissions

Platforms Affected:

  • Hitachi Cosminexus Application Server 6 Standard
  • Hitachi Cosminexus Application Server 6 Enterprise
  • Hitachi Electronic Form Workflow 07-00 - 07-00-/ B Std Linux
  • Hitachi Electronic Form Workflow 07-00 - 07-00-/ B Pro Libra Linux
  • Hitachi uCosminexus Appl Serv Ent HP-UX IPF 07-00
  • Hitachi uCosminexus Appl Serv Ent HP-UX IPF 07-10
  • Hitachi uCosminexus Application Serv Ent AIX 07-00
  • Hitachi uCosminexus Application Serv Ent AIX 07-10
  • Hitachi uCosminexus Application Serv Ent HP-UX 07-10
  • Hitachi uCosminexus Application Serv Ent Linux 07-00 to 07-00-01
  • Hitachi uCosminexus Application Serv Ent Linux 07-10
  • Hitachi uCosminexus Application Serv Ent Solaris 07-00
  • Hitachi uCosminexus Application Serv Std HP-UX 07-10
  • Hitachi uCosminexus Application Serv Std Solaris 07-00
  • Hitachi uCosminexus Application Server 6 Enterprise
  • Hitachi uCosminexus Application Server 6 Standard
  • Hitachi uCosminexus Application Server AIX 07-00 Standard
  • Hitachi uCosminexus Application Server AIX 07-10 Standard
  • Hitachi uCosminexus Application Server HP-UX IPF 07-00
  • Hitachi uCosminexus Application Server HP-UX IPF 07-10
  • Hitachi uCosminexus Application Server Linux 07-00 - 07-00-01 Standard
  • Hitachi uCosminexus Application Server Linux 07-10 Standard
  • Hitachi uCosminexus Application Server Linux IPF 07-10
  • Hitachi uCosminexus Application SrvEnt Linux IPF 07-10
  • Hitachi uCosminexus Service Platform AIX 07-10
  • Hitachi uCosminexus Service Platform Linux 07-00
  • Hitachi uCosminexus Service Platform Linux 07-10

Reported:

Aug 24, 2007

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