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Security Bulletin: A vulnerability in netty affects IBM Spectrum Scale Transparent Cloud Tiering(CVE-2020-7238)

Security Bulletin


Summary

Netty is used by IBM Spectrum Scale Transparent Cloud Tiering. IBM Spectrum Scale Transparent Cloud Tiering has addressed the applicable CVE.

Vulnerability Details

CVEID:   CVE-2020-11612
DESCRIPTION:   Netty is vulnerable to a denial of service, caused by unbounded memory allocation while decoding a ZlibEncoded byte stream in the ZlibDecoders. By sending a large ZlibEncoded byte stream, a remote attacker could exploit this vulnerability to exhaust memory resources.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/180530 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Affected Product(s)Version(s)
gpfs.tct.server1.1.2
gpfs.tct.server1.1.6
gpfs.tct.server1.1.1
gpfs.tct.server1.1.5
gpfs.tct.server1.1.7
gpfs.tct.server1.1.3

Remediation/Fixes

For Transparent Cloud Tiering 1.1.1.0 thru 1.1.7.4, apply Transparent Cloud Tiering 1.1.8.0 bundled with IBM Spectrum Scale V5.0.5.0 available from Fix Central at:

 

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.0.5&platform=All&function=all

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

26 May 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

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"STXKQY","label":"IBM Spectrum Scale"},"Component":"IBM Spectrum Scale Transparent Cloud Tiering","Platform":[{"code":"PF016","label":"Linux"}],"Version":"Transparent Cloud Tiering 1.1.1.0 to 1.1.7.4","Edition":"Transparent Cloud Tiering 1.1.1.0 to 1.1.7.4","Line of Business":{"code":"LOB26","label":"Storage"}}]

Document Information

Modified date:
26 May 2020

UID

ibm16216871

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