Prototype Pollution in yargs-parser library
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-7608 |
| CWE-ID | CWE-400 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
yargs-parser Universal components / Libraries / Libraries used by multiple products |
| Vendor | yargs |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Prototype Pollution
EUVDB-ID: #VU26304
Risk: Medium
CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-7608
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsyargs-parser: 13.0.0 - 18.1.0
External linkshttp://snyk.io/vuln/SNYK-JS-YARGSPARSER-560381
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
