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Security Bulletin: GSKit TLS Padding Vulnerability affects IBM Tivoli/Security Server on Asset and Service Management (CVE-2014-8730)

Security Bulletin


Summary

IBM Tivoli/Security Directory Server (ITDS/ISDS) are affected by a TLS padding vulnerability, which could allow a remote attacker to obtain sensitive information.

Vulnerability Details

CVE-ID: CVE-2014-8730

DESCRIPTION: IBM Security Directory Server could allow a remote attacker to obtain sensitive information, caused by the failure to check the contents of the padding bytes when using CBC cipher suites of some TLS implementations. A remote user with the ability to conduct a man-in-the-middle attack could exploit this vulnerability via a POODLE (Padding Oracle On Downgraded Legacy Encryption) like attack to decrypt sensitive information and calculate the plaintext of secure connections.

CVSS Base Score: 4.30
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/99216 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)

Affected Products and Versions

Principal Product and Version(s)

Affected Supporting Product and Version
    Maximo Asset Management 7.6, 7.5, 7.1
    Maximo Asset Management Essentials 7.5, 7.1
    Maximo for Government 7.5, 7.1
    Maximo for Nuclear Power 7.5, 7.1
    Maximo for Transportation 7.5, 7.1
    Maximo for Life Sciences 7.5, 7.1
    Maximo for Oil and Gas 7.5, 7.1
    Maximo for Utilities 7.5, 7.1
    SmartCloud Control Desk 7.5
    Tivoli Asset Management for IT 7.2, 7.1
    Tivoli Service Request Manager 7.2, 7.1
    Change and Configuration Management Database 7.2, 7.1
    Intelligent Building Management 1.1
    IBM Tivoli Directory Server 6.0, 6.1, 6.2, 6.3
    IBM Security Directory Server 6.3.1

Remediation/Fixes

None

Workarounds and Mitigations

Insure that the version listed below is installed on the system.

Principal Product and Version(s)Fix Level
    ITDS 6.0
    ITDS 6.1
    ITDS 6.2
    ITDS 6.3
    ISDS 6.3.1
    ITDS 6.0 IFIX 72
    ITDS 6.1 IFIX 64
    ITDS 6.2 IFIX 40
    ITDS 6.3 IFIX 33
    ISDS 6.3.1 IFIX 7

Add the following attributes to the cn=Front End entry of the ibmslapd.conf file

ibm-slapdSetenv: GSK_STRICTCHECK_CBCPADBYTES=GSK_TRUE
ibm-slapdSetenv: GSK_STRICTCHECK_CBCPADBYTES_SSL=GSK_TRUE

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

None

Change History

22 Jan 2015: Original Version Published

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Document Information

Modified date:
21 September 2022

UID

swg21695127