Security Bulletin: A security vulnerability has been identified inPCRE, which is a required product for IBM Tivoli Network Manager IP Edition (CVE-2019-20838)

Security Bulletin

Summary

A security vulnerability has been disclosed in the pcre library libpcre, which is installed as part of IBM Tivoli Network Manager version 4.2. Information about this vulnerability has been published in a security bulletin.

Vulnerability Details

CVEID: CVE-2019-20838
DESCRIPTION: PCRE is vulnerable to a denial of service, caused by a buffer over-read in JIT. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185645 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s)	Version(s)
ITNM	3.9
ITNM	4.1.x
ITNM	4.2.0

Remediation/Fixes

Affected Product(s)	Version(s)	Remediation
ITNM	3.9	Please contact support team and refer CVE-2019-20838
ITNM	4.1.x	Please contact support team and refer CVE-2019-20838
ITNM	4.2.0	Upgrade to ITNM 4.2 Fix Pack 11 (4.2.0.11), as per: Download IBM Tivoli Network Manager 4.2 Fix Pack 11

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

None

Change History

22 Dec 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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Tips

Security Bulletin: A security vulnerability has been identified inPCRE, which is a required product for IBM Tivoli Network Manager IP Edition (CVE-2019-20838)