Security Bulletin: Multiple vulnerabilities have been identified in Netty shipped with IBM Tivoli Netcool/OMNIbus Transport Module Common Integration Library (CVE-2021-21290, CVE-2021-21295, CVE-2021-21409)

Security Bulletin

Summary

Netty is a dependency component shipped with the IBM Tivoli Netcool/OMNIbus Transport Module Common Integration Library for Message Bus Integration. Information about the security vulnerability affecting Netty has been published. (CVE-2021-21290, CVE-2021-21295, CVE-2021-21409)

Vulnerability Details

CVEID: CVE-2021-21290
DESCRIPTION: Netty could allow a local authenticated attacker to obtain sensitive information, caused by an insecure temp file in Unix-like systems. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/197110 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2021-21295
DESCRIPTION: Netty is vulnerable to HTTP request smuggling, caused by improper validation of Content-Length header by the Http2MultiplexHandler. By sending specially crafted HTTP request headers, an attacker could exploit this vulnerability to poison a web-cache, perform an XSS attack, or obtain sensitive information from request.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/197999 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)

CVEID: CVE-2021-21409
DESCRIPTION: Netty is vulnerable to request smuggling, caused by improper validation of request, caused by missing validation of content-length. By sending specially-crafted request, an attacker could exploit this vulnerability to poison a web-cache, perform an XSS attack, or obtain sensitive information from request.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199150 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM Tivoli Netcool/OMNIbus Integration - Transport Module Common Integration Library	common-transportmodule-12_0 up to and including common-transportmodule-28_0

Remediation/Fixes

Updated Product(s)	Version(s)
IBM Tivoli Netcool/OMNIbus Integration - Transport Module Common Integration Library	common-transportmodule-29_0

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

18 Jun 2021: 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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Tips

Security Bulletin: Multiple vulnerabilities have been identified in Netty shipped with IBM Tivoli Netcool/OMNIbus Transport Module Common Integration Library (CVE-2021-21290, CVE-2021-21295, CVE-2021-21409)