Security Bulletin
Summary
There were several security problems found with various/other releases of Golang. We have moved the Golang provided in IBP components and also the Golang used to compile Go-based components in IBP to version 1.14.12.
Vulnerability Details
CVEID: CVE-2020-28366
DESCRIPTION: Golang Go could allow a remote attacker to execute arbitrary code on the system, caused by a code injection flaw in go command when cgo is in use in build time. By using a specially-crafted package, 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/191978 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)
CVEID: CVE-2020-28362
DESCRIPTION: Golang Go is vulnerable to a denial of service, caused by improper input validation by the math/big.Int methods. By sending a specially-crafted inputs, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/191976 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)
CVEID: CVE-2020-28367
DESCRIPTION: Golang Go could allow a remote attacker to execute arbitrary code on the system, caused by a argument injection flaw in go command when cgo is in use in build time. By using a specially-crafted package, 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/191979 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 Blockchain Platform (Software/on-prem) | All |
Remediation/Fixes
Remediation is to move to latest version of IBP (2.5.1).
Images: https://github.ibm.com/ibp/docker-images/releases/tag/2.5.1-20201208
Release notes: https://cloud.ibm.com/docs/blockchain?topic=blockchain-release-notes-saas-20
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
10 Dec 2020: 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:
05 January 2021
Initial Publish date:
10 December 2020
UID
ibm16397858