SB2019082316 - Prototype pollution in set-value
Published: August 23, 2019 Updated: August 28, 2019
Security Bulletin ID
SB2019082316
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 security vulnerability.
1) Prototype pollution (CVE-ID: CVE-2019-10747)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the "set-value" function fails to validate which Object properties it updates. A remote attacker can modify the prototype of Object using any of the constructor, prototype and "_proto_ payloads", causing the addition or modification of an existing property on all objects, trigger resource exhaustion and perform a denial of service attack.
Remediation
Install update from vendor's website.