Security Bulletin: Reuse of Source Port in DataPower DNS queries (CVE-2017-1773)

Summary

IBM DataPower Gateway may re-use the source port in DNS lookups. IBM has addressed the applicable CVE

Vulnerability Details

Relevant CVE Information:

CVEID: CVE-2017-1773**
DESCRIPTION:** IBM WebSphere DataPower Appliances could allow an attacker using man-in-the-middle techniques to spoof DNS responses to perform DNS cache poisoning and redirect Internet traffic.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/136817 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

DataPower versions 7.1.0.0-7.1.0.20, 7.2.0.0-7.2.0.17, 7.5.0.0-7.5.0.11, 7.5.1.0-7.5.1.10, 7.5.2.0-7.5.2.10 and 7.6.0.0-7.6.0.3

Remediation/Fixes

Fix is available in versions 7.1.0.21, 7.2.0.18, 7.5.0.12, 7.5.1.11, 7.5.2.11, 7.6.0.4. Refer to APAR IT23417 for URLs to download the fix.

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

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

January 31 2018: 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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