Security Bulletin: Vulnerabilities in Informix Dynamic Server and Informix Open Admin Tool

Security Bulletin

Summary

IBM Informix Dynamic Server is vulnerable to Sweet32: Birthday attacks on 64-bit block ciphers in TLS. Both IBM Informix Dynamic Server and IBM Informix Server Open Admin Tool are vulnerable to a Remote Code Execution Vulnerability.

Vulnerability Details

CVEID: CVE-2016-2183
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by an error in the DES/3DES cipher, used as a part of the SSL/TLS protocol. By capturing large amounts of encrypted traffic between the SSL/TLS server and the client, a remote attacker able to conduct a man-in-the-middle attack could exploit this vulnerability to recover the plaintext data and obtain sensitive information. This vulnerability is known as the SWEET32 Birthday attack.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/116337 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2017-1092
DESCRIPTION: IBM Informix Open Admin Tool could allow an unauthorized user to execute arbitrary code as system admin on Windows servers.
CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/120390 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

IBM Informix Dynamic Server v 11.50.xCn
IBM Informix Dynamic Server v 11.70.xCn
IBM Informix Dynamic Server v 12.10.xCn

Remediation/Fixes

	Version	Fix
IBM Informix Dynamix Server (including Open Admin Tool)	12.10.xC8W2	Fix Central
IBM Informix Dynamix Server (including Open Admin Tool)	11.70.xC9	Fix Central
IBM Informix Dynamix Server (including Open Admin Tool)	11.50.xC9	Contact Support or upgrade to a version listed above.

Workarounds and Mitigations

None.

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

Acknowledgement

The remote code execution vulnerability was reported to IBM by an independent security researcher working with Beyond Security’s SecuriTeam Secure Disclosure program.

Change History

11 May 2017: 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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Tips

Security Bulletin: Vulnerabilities in Informix Dynamic Server and Informix Open Admin Tool