Security Bulletin
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
| Affected Product(s) | Version(s) |
| IBM Cloud Pak for Multicloud Management Security Services | 2.0 |
| IBM Cloud Pak for Multicloud Management Security Services | 2.1 |
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
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
12 Jan 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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Document Information
Modified date:
04 February 2021
Initial Publish date:
12 January 2021
UID
ibm16412333