CVE-2021-3672
Published: August 31, 2023Last modified: August 31, 2023
Description
A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to Domain Hijacking. The highest threat from this vulnerability is to confidentiality and integrity as well as system availability.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.6 |
| Attack Vector | NETWORK |
| Attack complexity | HIGH |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | LOW |
| Integrity impact | LOW |
| Availability impact | LOW |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | c-ares | Not affected (1.19.1-r0) |
| nodejs | Not affected (18.17.1-r0) | ||
| Stream | c-ares | Not affected (1.19.1-r1) | |
| nodejs | Not affected (18.17.1-r0) |