emqx neuron plugin_handle.c handle_add_plugin buffer overflow

published 2024-11-07 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-33367

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

A vulnerability classified as critical has been found in emqx neuron up to 2.10.0. Affected is the function handle_add_plugin in the library cmd.library of the file plugins/restful/plugin_handle.c. The manipulation leads to buffer overflow. It is possible to launch the attack remotely. It is recommended to apply a patch to fix this issue.

Patch / fix

links 2

github.com/emqx/neuron#2286 commit
github.com/emqx/neuron#2286 pull request

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-11-08)

Exploit prediction

0.66% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/emqx/neuron/issues/2280 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA	3.0	6.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

emqx neuron

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

github.com /emqx/neuron/pull/2286
issue-tracking, patch
github.com /emqx/neuron/pull/2286/commits/3e3a583d72548af1740b3e61a5eab3b628cc439e
issue-tracking, patch
github.com /emqx/neuron/issues/2280
issue-tracking, exploit, third-party-advisory
vuldb.com /?id.283410
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.283410
signature, permissions-required
vuldb.com /?submit.435372
third-party-advisory

Sources

CVE List CVE-2024-10964
NVD CVE-2024-10964

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary