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Security Bulletin: IBM Cloud Private is vulnerable to a Netty vulnerability (CVE-2020-7238)

Security Bulletin


Summary

IBM Cloud Private is vulnerable to a Netty vulnerability

Vulnerability Details

CVEID:   CVE-2020-7238
DESCRIPTION:   Netty is vulnerable to HTTP request smuggling, caused by a flaw when handling Transfer-Encoding whitespace and a later Content-Length header. By sending a specially-crafted request, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/175398 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Cloud Private3.2.1 CD
IBM Cloud Private3.2.2 CD

Remediation/Fixes

Product defect fixes and security updates are only available for the two most recent Continuous Delivery (CD) update packages

  • IBM Cloud Private 3.2.1
  • IBM Cloud Private 3.2.2

 

For IBM Cloud Private 3.2.1, apply Aug fix pack:

 

For IBM Cloud Private 3.2.2, apply Aug fix pack:

 

 

For IBM Cloud Private 3.1.0, 3.1.1, 3.1.2, 3.2.0:

  • Upgrade to the latest Continuous Delivery (CD) update package, IBM Cloud Private 3.2.2.2008. 
  • If required, individual product fixes can be made available between CD update packages for resolution of problems. Contact IBM support for assistance

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

27 Sep 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

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Document Information

Modified date:
27 September 2020

Initial Publish date:
27 September 2020

UID

ibm16338531

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