Security Bulletin
Summary
A vulnerability in OpenSSL used by IBM InfoSphere Information Server was addressed.
Vulnerability Details
CVEID: CVE-2019-1551
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by an overflow in the x64_64 Montgomery squaring procedure used in exponentiation with 512-bit moduli. By performing a man-in-the-middle attack, a remote attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 6.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/172752 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N)
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by an overflow in the x64_64 Montgomery squaring procedure used in exponentiation with 512-bit moduli. By performing a man-in-the-middle attack, a remote attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 6.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/172752 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| InfoSphere Information Server | 11.7 |
| InfoSphere Information Server | 11.5 |
Remediation/Fixes
| Product | VRMF | APAR | Remediation/First Fix |
| InfoSphere Information Server, Information Server on Cloud | 11.7 | JR62788 | --Upgrade to DataDirect ODBC drivers version 7.1.6 --Use TechNote to choose which OpenSSL version the drivers will use --Use TechNote to follow additional post installation configuration steps |
| InfoSphere Information Server, Information Server on Cloud | 11.5 | JR62788 | --Upgrade to DataDirect ODBC drivers version 7.1.6 --Use TechNote to choose which OpenSSL version the drivers will use --Use TechNote to follow additional post installation configuration steps |
Workarounds and Mitigations
None.
Note that some of the prior security fixes could be mitigated by disabling the use of Diffie-Hellman, DSA, ECDSA, and ECDH ciphers.
Note that some of the prior security fixes could be mitigated by disabling the use of Diffie-Hellman, DSA, ECDSA, and ECDH ciphers.
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References
Off
Change History
30 Oct 2020: Initial Publication
*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.
Document Location
Worldwide
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Document Information
Modified date:
30 October 2020
Initial Publish date:
30 October 2020
UID
ibm16351229