Security Bulletin: Security vulnerabilities in Python3 affect IBM Cloud Pak for Multicloud Management Hybrid GRC.

Summary

Security Bulletin: Security vulnerabilities in Python3 affect IBM Cloud Pak for Multicloud Management Hybrid GRC.

Vulnerability Details

CVEID:CVE-2020-8492
**DESCRIPTION:**Python is vulnerable to a denial of service, caused by a flaw in the urllib.request.AbstractBasicAuthHandler. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a Regular Expression Denial of Service (ReDoS).
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/175462 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2019-20907
**DESCRIPTION:**Python is vulnerable to a denial of service, caused by a flaw in the tarfile module in Lib/tarfile.py. By persuading a victim to open a specially-craft a TAR archive, a remote attacker could exploit this vulnerability to cause the application to enter into an infinite loop.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185442 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID:CVE-2020-14422
**DESCRIPTION:**Python is vulnerable to a denial of service, caused by improper computing hash values in the IPv4Interface and IPv6Interface classes in Lib/ipaddress.py. By sending a specially-crafted request, 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/184320 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

Upgrade to IBM Cloud Pak for Multicloud Management 2.2 by following the instructions in

<https://www.ibm.com/support/knowledgecenter/en/SSFC4F_2.2.0/install/upgrade.html&gt;

Workarounds and Mitigations

None