SB2020071552 - Prototype pollution in Ajv

Description

This security bulletin contains information about 1 vulnerability.

1) Prototype pollution (CVE-ID: CVE-2020-15366)

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

The disclosed vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can inject and execute arbitrary script code.

Remediation

Install update from vendor's website.

References

• https://hackerone.com/bugs?subject=user&report_id=894259
• https://github.com/ajv-validator/ajv/releases/tag/v6.12.3
• https://github.com/ajv-validator/ajv/tags