Advisory #6
| Title | node-netmask incorrectly parses an IP address that has octal integer with invalid character |
| CVE ID | CVE-2021-29418 |
| Vendor | Olivier Poitrey |
| Affected product | node-netmask |
| Affected versions | - 2.0.0 |
| Vulnerability type | CWE-20 (Improper Input Validation) |
| Description | node-netmask parses an IP address with octal integer that contains invalid character (such as "9") incorrectly, which (in some situations) allows attackers to bypass access control that is based on IP addresses. NOTE: this issue exists because of an incomplete fix for CVE-2021-28918. |
| Status | Fixed in 2.0.1 |
| Recommendation | Update to version 2.0.1 or later. |