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 1.14.7.
Vulnerability Details
CVEID: CVE-2020-15586
DESCRIPTION: Golang Go is vulnerable to a denial of service, caused by a data race in some net/http servers. By sending specially-crafted HTTP requests, 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/185446 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-2020-14039
DESCRIPTION: Go could allow a remote attacker to bypass security restrictions, caused by improper validation on the VerifyOptions.KeyUsages EKU requirements during the X.509 certificate verification. An attacker could exploit this vulnerability to gain access to the system.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185443 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
CVEID: CVE-2020-7919
DESCRIPTION: Go is vulnerable to a denial of service. By sending a malformed X.509 certificate, a remote attacker could exploit this vulnerability to cause a system panic.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/178227 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-2020-24553
DESCRIPTION: Golang Go is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the CGI/FCGI handlers. A remote attacker could exploit this vulnerability to inject malicious script into a Web page which would be executed in a victim's Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.
CVSS Base score: 7.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/187776 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N)
CVEID: CVE-2020-16845
DESCRIPTION: Go Language is vulnerable to a denial of service, caused by an infinite read loop in ReadUvarint and ReadVarint in encoding/binary. By sending a specially-crafted input, 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/186375 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 Blockchain Platform (Software/on-prem) | All |
Remediation/Fixes
Remediation is to move to latest version of IBP (2.5.1).
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
05 Nov 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
Was this topic helpful?
Document Information
Modified date:
04 December 2020
UID
ibm16378348