THREATPORT/VULNERABILITY/CVE-2018-17614
HIGH SEVERITY

CVE-2018-17614

Arduino Mqtt Client vulnerability

CVSS
8.8
EPSS
9.7%
EPSS pct
95th
Exploited
No known
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Losant Arduino MQTT Client prior to V2.7. User interaction is not required to exploit this vulnerability. The specific flaw exists within the parsing of MQTT PUBLISH packets. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-6436.
Affected vendor
Losant
Affected product
Arduino Mqtt Client
CVSS vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-121 — Stack-based Buffer Overflow
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2018-11-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable from an adjacent network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 9.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2018-17614

  • Confirm whether Losant Arduino Mqtt Client is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-17614.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-17614

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-17614 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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