Vulnerability Details : CVE-2022-48256
Technitium DNS Server before 10.0 allows a self-CNAME denial-of-service attack in which a CNAME loop causes an answer to contain hundreds of records.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2022-48256
Probability of exploitation activity in the next 30 days: 0.08%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 32 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2022-48256
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2022-48256
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The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-48256
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https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#version-100
DnsServer/CHANGELOG.md at master · TechnitiumSoftware/DnsServer · GitHubRelease Notes;Third Party Advisory
Products affected by CVE-2022-48256
- cpe:2.3:a:technitium:dns_server:*:*:*:*:*:*:*:*