Security Bulletin: Vulnerability in OpenSSH affects IBM DataPower Gateways (CVE-2017-15906)

Summary

A potential Denial of Service vulnerability exists in OpenSSH. IBM DataPower Gateways has addressed the applicable CVE.

Vulnerability Details

CVEID: CVE-2017-15906**
DESCRIPTION:** OpenSSH is vulnerable to a denial of service, caused by an error in the process_open() function when in read-only mode. A remote authenticated attacker could exploit this vulnerability to create zero-length files and cause a denial of service.
CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/133128 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

IBM DataPower Gateways appliances, versions 7.5.2.0-7.5.2.12, 7.6.0.0-7.6.0.5

Remediation/Fixes

Fix is available in versions 7.5.2.13 and 7.6.0.6. Refer to APAR IT24256 for URLs to download the fix.

You should verify applying this fix does not cause any compatibility issues.

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

Acknowledgement

None

Change History

23 March 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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