CVE-2023-49203
Published: 18 September 2024
Summary
CVE-2023-49203 is a high-severity Network Amplification (CWE-406) vulnerability in Technitium Dnsserver. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 27.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-53207
Vulnerability details
Technitium 11.5.3 allows remote attackers to cause a denial of service (bandwidth amplification) because the DNSBomb manipulation causes accumulation of low-rate DNS queries such that there is a large-sized response in a burst of traffic.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Limits attacker success in sustaining network amplification DoS against the primary by providing a ready alternate processing capability.
Provides continuity when primary telecom is disrupted by insufficient control of network message volume or amplification.
Network-volume amplification against one channel can be bypassed via the pre-established alternate path.
Implements network message volume controls to block amplification DoS vectors.