Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-29418 CVE-2021-28918 |
CWE-ID | CWE-918 |
Exploitation vector | Network |
Public exploit | Public exploit code for vulnerability #1 is available. |
Vulnerable software Subscribe |
Netmask Web applications / Modules and components for CMS |
Vendor | Olivier Poitrey |
Security Bulletin
This security bulletin contains information about 1 vulnerabilities.
Updated: 30.03.2021
Updated list of affected and fixed versions, added additional links.
Updated: 06.04.2021
Assigned another CVE-ID to address incomplete patch in version 2.0.0.
EUVDB-ID: #VU51767
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2021-29418,CVE-2021-28918
CWE-ID:
CWE-918 - Server-Side Request Forgery (SSRF)
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input in octal literals. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to intranets, VPNs, containers, adjacent VPC instances, or LAN hosts.
MitigationInstall updates from vendor's website.
Vulnerable software versionsNetmask: 0.0.1 - 2.0.0
External linkshttp://github.com/sickcodes/security/blob/master/advisories/SICK-2021-011.md
http://github.com/advisories/GHSA-pch5-whg9-qr2r
http://www.npmjs.com/advisories/1658
http://github.com/rs/node-netmask/commit/3f19a056c4eb808ea4a29f234274c67bc5a848f4
http://vuln.ryotak.me/advisories/6
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.