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Security Bulletin: Vulnerability in Nginx affects IBM Cloud Private and could allow a remote attacker to obtain sensitive information (177988)

Security Bulletin


Summary

There is a vulnerability in the Nginx open source component. Nginx is used by IBM Cloud Private as a reverse proxy. The vulnerability could allow a remote attacker to obtain sensitive information. This bulletin identifies the security fixes to apply to address the Nginx vulnerability (177988)

Vulnerability Details

IBM X-Force ID:   177988
DESCRIPTION:   Nginx could allow a remote attacker to obtain sensitive information, caused by a flaw in the rewrite implementation. By sending a specially-crafted HTTP request, an attacker could exploit this vulnerability to obtain sensitive information from memory, perform directory traversal attack and bypass access restrictions.
CVSS Base score: 9.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/177988 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Cloud Private

3.1.0

IBM Cloud Private3.1.1
IBM Cloud Private3.1.2
IBM Cloud Private3.2.0
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 fix pack:

For IBM Cloud Private 3.2.2, apply 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. 
  • 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

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

21 Apr 2022: 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:
01 June 2022

UID

ibm16591291

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