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Security Bulletin:Vulnerabilities in IBM WebSphere Application Server and GSKit affects Cognos Business Intelligence (CVE-2015-0138, CVE-2015-0159)

Security Bulletin


Summary

The “FREAK: Factoring Attack on RSA-EXPORT keys" TLS/SSL client and server vulnerability affects IBM WebSphere Application Server Liberty Profile Version 8.5 that is used by IBM Cognos Business Intelligence Server 10.2.2

A security vulnerability has been discovered in GSKit 8.0 used by IBM Cognos Business Intelligence Server 10.2.2

Vulnerability Details

CVEID: CVE-2015-0138
DESCRIPTION: A vulnerability in various IBM SSL/TLS implementations could allow a remote attacker to downgrade the security of certain SSL/TLS connections. An IBM SSL/TLS client implementation could accept the use of an RSA temporary key in a non-export RSA key exchange ciphersuite. This could allow a remote attacker using man-in-the-middle techniques to facilitate brute-force decryption of TLS/SSL traffic between vulnerable clients and servers.

This vulnerability is also known as the FREAK attack.

CVSS Base Score: 4.3
CVSS Temporal Score: See http://exchange.xforce.ibmcloud.com/#/vulnerabilities/100691 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)


CVEID: CVE-2015-0159
DESCRIPTION: An unspecified error in GSKit usage of OpenSSL crypto function
related to the production of incorrect results on some platforms by Bignum squaring BN_sqr) has an unknown attack vector and impact in some ECC operations.
CVSS Base Score: 2.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/#/vulnerabilities/100835 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:H/Au:N/C:N/I:P/A:N)

Affected Products and Versions

IBM Cognos Business Intelligence Server 10.2.2

Workarounds and Mitigations

None

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References

Off

Acknowledgement

The vulnerability (CVE-2015-0138) was reported to IBM by Karthikeyan Bhargavan of the PROSECCO team at INRIA

Change History

Original Version Published April 2, 2015
Update Published April 4, 2015

*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:
15 June 2018

UID

swg21701210