Security Bulletin
Summary
Python is used by IBM Netezza Host Management. This bulletin provides mitigation for the reported CVE.
Vulnerability Details
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)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM Netezza Host Management | All IBM Netezza Host Management starting 5.4.21.0 |
Remediation/Fixes
None
Workarounds and Mitigations
This flaw can be mitigated by not opening untrusted files with tarfile.
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References
Acknowledgement
Change History
10 Nov 2020: Original 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:
10 November 2020
UID
ibm16365821