Cyber Resilience

CVE-2019-14850

LowPublic PoC

Published: 18 March 2021

Published
18 March 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0030 53.6th percentile
Risk Priority 8 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2019-14850 is a low-severity Network Amplification (CWE-406) vulnerability in Nbdkit Project Nbdkit. Its CVSS base score is 3.7 (Low).

Operationally, ranked in the top 46.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A denial of service vulnerability was discovered in nbdkit 1.12.7, 1.14.1 and 1.15.1. An attacker could connect to the nbdkit service and cause it to perform a large amount of work in initializing backend plugins, by simply opening a connection…

more

to the service. This vulnerability could cause resource consumption and degradation of service in nbdkit, depending on the plugins configured on the server-side.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

nbdkit project
nbdkit
≤ 1.12.7 · 1.14.0 — 1.14.1 · 1.15.0 — 1.15.1
redhat
virtualization
4.0
redhat
enterprise linux
8.0
redhat
enterprise linux server
7.0

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.

addresses: CWE-406

Limits attacker success in sustaining network amplification DoS against the primary by providing a ready alternate processing capability.

addresses: CWE-406

Provides continuity when primary telecom is disrupted by insufficient control of network message volume or amplification.

addresses: CWE-406

Network-volume amplification against one channel can be bypassed via the pre-established alternate path.

addresses: CWE-406

Implements network message volume controls to block amplification DoS vectors.

References