Security Bulletin: Vulnerability in PyYAML affects IBM Spectrum Protect Plus Container and Microsoft File Systems Agents (CVE-2020-1747)

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

Remediation/Fixes

Linux
Windows

| <https://www.ibm.com/support/pages/node/6330495&gt;

Workarounds and Mitigations

None