Security Bulletin
Summary
Multiple vulnerabilities have been found in Golang Go which is shipped with Cloud Pak System. Cloud Pak System has addressed these vulnerabilities.
Vulnerability Details
CVEID: CVE-2021-34558
DESCRIPTION: Golang Go is vulnerable to a denial of service, caused by the failure to properly assert that the type of public key in an X.509 certificate matches the expected type in the crypto/tls package. By persuading a victim to connect to a specially-crafted TLS server, a remote attacker could exploit this vulnerability to cause a TLS client to panic.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/205578 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
CVEID: CVE-2020-29652
DESCRIPTION: Golang Go is vulnerable to a denial of service, caused by a NULL pointer dereference in the golang.org/x/crypto/ssh component. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/193622 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-2020-28851
DESCRIPTION: Golang Go is vulnerable to a denial of service, caused by improper input validation while parsing the -u- extension in language.ParseAcceptLanguage. By sending a specially-crafted HTTP Accept-Language header, a remote attacker could exploit this vulnerability to cause an index out of range panic.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/194162 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-2020-28852
DESCRIPTION: Golang Go is vulnerable to a denial of service, caused by improper input validation while processing a BCP 47 tag in language.ParseAcceptLanguage. By sending a specially-crafted HTTP Accept-Language header, a remote attacker could exploit this vulnerability to cause a slice bounds out of range panic.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/194163 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-2021-31525
DESCRIPTION: Golang Go is vulnerable to a denial of service, caused by a flaw in net/http. By sending a specially-crafted header to ReadRequest or ReadResponse. Server, Transport, and Client, a remote attacker could exploit this vulnerability to cause a (panic) denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202709 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 Cloud Pak System | V2.3.0 - V2.3.3.3 Interim Fix 1 |
Remediation/Fixes
For unsupported version/release/platform IBM recommends upgrading to a fixed, supported version of the product.
Multiple vulnerabilities have been found in Golang Go which is shipped with Cloud Pak System . In Response to vulnerabilities IBM shipped new release Cloud Pak System v.2.3.3.4 upgraded Golang Go to Golang Go v.1.17.
For IBM Cloud Pak System V2.3.0 through to V2.3.3.3 Interim Fix 1 upgrade to V2.3.3.4 at Fix Central
Information on upgrading at : http://www.ibm.com/support/docview.wss?uid=ibm10887959
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Acknowledgement
Change History
17 Dec 2021: 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:
06 May 2022
UID
ibm16519392