Summary
It was discovered that Knot Resolver did not correctly handle certain
client options. A remote attacker could send requests to malicous domains
and cause a denial of service.
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 20.04 LTS 20.04:LTS | knot-resolver | 3.2.1-3ubuntu2.1 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | knot-resolver | 1.0.0~beta3-1ubuntu0.1~esm1 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | knot-resolver | 2.1.1-1ubuntu0.1~esm2 |
| Ubuntu · Pro 22.04 LTS Pro:22.04:LTS | knot-resolver | 5.4.4-1ubuntu0.1~esm1 |
Vulnerabilities 1
-
High 7.5
Knot Resolver before 5.5.3 allows remote attackers to cause a denial of service (CPU consumption) because of algorithmi…
References
-
report
https://ubuntu.com/security/CVE-2022-40188