Security Bulletin
Summary
The vulnerabilities are related to Node.js and its modules.
Vulnerability Details
DESCRIPTION: Node.js tar module could allow a local attacker to traverse directories on the system, caused by insufficient absolute path sanitization. An attacker could use a specially-crafted tar file containing "dot dot" sequences (/../) to create or overwrite arbitrary files on the system.
CVSS Base score: 8.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/206719 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N)
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-2021-22921
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)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM Cloud Pak for Automation | 21.0.1-IF004 |
| IBM Cloud Pak for Automation | 21.0.2-IF002 |
Remediation/Fixes
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Change History
27 Sep 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
Product Synonym
icp4a; icp4ba
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Document Information
Modified date:
01 October 2021
Initial Publish date:
27 September 2021
UID
ibm16495155