Security Bulletin
Summary
There is a vulnerability in PyYAML that could allow a remote attacker to execute arbitrary code on the system. This vulnerability may affect the IBM Spectrum Protect Plus Container agent for Kubernetes and the IBM Spectrum Protect Plus Microsoft® Windows File Systems agent.
Vulnerability Details
CVEID: CVE-2020-1747
DESCRIPTION: PyYAML could allow a remote attacker to execute arbitrary code on the system, caused by an error when processing untrusted YAML files through the full_load method or with the FullLoader loader. By abusing the python/object/new constructor, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/178416 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
Affected Product(s) | Version(s) |
IBM Spectrum Protect Plus Container Agent for Kubernetes (Linux) | 10.1.5-10.1.6 |
IBM Spectrum Protect Plus Microsoft File Systems Agent (Windows) | 10.1.6 |
Remediation/Fixes
Spectrum Protect Plus Release | First Fixing VRM Level | Platform | Link to Fix |
10.1 | 10.1.7 |
Linux | https://www.ibm.com/support/pages/node/6330495 |
Workarounds and Mitigations
None
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References
Acknowledgement
Change History
02 December 2020: Initial Publication; 03 December 2020: Updated to remove Container agent for OpenShift as it is not affected.
*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 December 2020
UID
ibm16376724