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Vulnerability of Node.js systeminformation: privilege escalation via Prototype Pollution

Synthesis of the vulnerability 

An attacker can bypass restrictions via Prototype Pollution of Node.js systeminformation, in order to escalate his privileges.
Impacted products: Tivoli Storage Manager, Nodejs Modules ~ not comprehensive.
Severity of this bulletin: 2/4.
Creation date: 09/02/2021.
Références of this threat: 6410882, CERTFR-2021-AVI-101, CVE-2020-7778, VIGILANCE-VUL-34521.

Description of the vulnerability 

An attacker can bypass restrictions via Prototype Pollution of Node.js systeminformation, in order to escalate his privileges.
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This computer threat note impacts software or systems such as Tivoli Storage Manager, Nodejs Modules ~ not comprehensive.

Our Vigil@nce team determined that the severity of this weakness alert is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this computer weakness note.

Solutions for this threat 

Node.js systeminformation: version 4.30.2.
The version 4.30.2 is fixed:
  https://www.npmjs.com/package/systeminformation

IBM Spectrum Protect Plus: fixed versions for Node.js/jackson-databind.
Fixed versions are indicated in information sources.
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Computer vulnerabilities tracking service 

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