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

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

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