SB2020032303 - Prototype Pollution in yargs-parser library
Published: March 23, 2020
Security Bulletin ID
SB2020032303
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Prototype Pollution (CVE-ID: CVE-2020-7608)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper input validation. A remote attacker can send a specially crafted request and add or modify properties of Object.prototype using a "__proto__" payload.
Remediation
Install update from vendor's website.