Security Bulletin: Vulnerability in nth-check affects IBM Process Mining (CVE-2021-3803)

Summary

There is a vulnerability in nth-check that could allow a local attacker to launch a DOS attack. The code is used by IBM Process Mining. This bulletin identifies the security fixes to apply to address the vulnerability.

Vulnerability Details

CVEID:CVE-2021-3803
**DESCRIPTION:**nth-check is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw. By sending a specially-crafted regex input, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/209593 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

Remediation/Fixes

Remediation/Fixes guidance:

Upgrade to version 1.12.0.4

1.Login to PassPortAdvantage

2. Search for
M05JKML Process Mining 1.12.0.4 Server Multiplatform Multilingual

3. Download package

4. Follow install instructions

5. Repeat for M05JJML Process Mining 1.12.0.4 Client Windows Multilingual

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Workarounds and Mitigations

None known