jchristn/ipmatcher · Security
Improper Input Validation in IpMatcher
- GHSA ID
- GHSA-qj93-37f5-mr29
- CVE ID
- CVE-2021-33318
- Severity
- critical
- Published
- Updated
- CVSS
- 9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
An Input Validation Vulnerability exists in Joel Christner .NET C# packages WatsonWebserver, IpMatcher 1.0.4.1 and below (IpMatcher) and 4.1.3 and below (WatsonWebserver) due to insufficient validation of input IP addresses and netmasks against the internal Matcher list of IP addresses and subnets.
CWEs
- CWE-20 · Improper Input Validation
- CWE-704 · Incorrect Type Conversion or Cast
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-33318 ↗
- https://github.com/jchristn/IpMatcher/commit/81d77c2f33aa912dbd032b34b9e184fc6e041d89 ↗
- https://github.com/jchristn/IpMatcher ↗
- https://github.com/jchristn/WatsonWebserver ↗
- https://github.com/kaoudis/advisories/blob/main/0-2021.md ↗
- https://github.com/advisories/GHSA-qj93-37f5-mr29 ↗