Regular expression denial of service in npm-user-validate package for NPM
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | N/A |
| CWE-ID | CWE-400 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
npm-user-validate Web applications / Modules and components for CMS |
| Vendor | WP Upgrader |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Resource exhaustion
EUVDB-ID: #VU47696
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: N/A
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when processing overly long input strings beginning with @ characters. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack (aka REDos vulnerability).
Install updates from vendor's website.
Vulnerable software versionsnpm-user-validate: 0.0.1 - 1.0.0
External linkshttp://www.npmjs.com/advisories/1572
http://github.com/advisories/GHSA-xgh6-85xh-479p
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.
