Security Bulletin
Summary
Potential vulnerabilities in Node.js CVE-2021-23362, CVE-2021-22921, CVE-2021-22918, CVE-2021-27290 has been identified that may affect IBM Watson Assistant for IBM Cloud Pak for Data. Refer to details for additional information.
Vulnerability Details
CVEID: CVE-2021-23362
DESCRIPTION: Node.js hosted-git-info module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in the fromUrl function in index.js. By sending a specially-crafted regex 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/198792 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-2021-22921
DESCRIPTION: Node.js could allow a local attacker to gain elevated privileges on the system, caused by improper configuration of permissions in the installation directory. Under certain conditions. An attacker could exploit this vulnerability to perform PATH and DLL hijacking attacks.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/204785 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVEID: CVE-2021-22918
DESCRIPTION: Node.js is vulnerable to a denial of service, caused by an out-of-bounds read in the libuv's uv__idna_toascii() function. By invoking the function using dns module's lookup() function, a remote attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/204784 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)
CVEID: CVE-2021-27290
DESCRIPTION: Node.js ssri module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw by the SRIs. By sending a specially-crafted regex string, 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/198144 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 Watson Assistant for Cloud Pak for Data | 1.5.0, 4.0.0. 4.0.2, 4.0.4, 4.0.5 |
Remediation/Fixes
For all affected versions, IBM strongly recommends addressing the vulnerability now by upgrading to the upcoming latest (v4.0.6) release of IBM Watson Assistant for IBM Cloud Pak for Data which maintains backward compatibility with the versions listed above.
| Product Latest Version | Remediation/Fix/Instructions |
| IBM Watson Assistant for IBM Cloud Pak for Data 4.0.6 |
Follow instructions for Installing Watson Assistant in Link to Release (v4.0.6 release information) https://www.ibm.com/docs/en/cloud-paks/cp-data/4.0?topic=assistant-installing-watson |
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
25 Feb 2022: 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:
25 February 2022
Initial Publish date:
25 February 2022
UID
ibm16559694