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CVE-2018-18765

N/A
Published: October 28, 2018 at 07:00 PM UTC
Updated: June 17, 2026 at 01:47 AM UTC
1 product affected across 1 vendorMongoose

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Severity
N/A
Exploit prediction
EPSS 2%

Description

An exploitable arbitrary memory read vulnerability exists in the MQTT packet-parsing functionality of Cesanta Mongoose 6.13. It is a heap-based buffer over-read in mg_mqtt_next_subscribe_topic. A specially crafted MQTT SUBSCRIBE packet can cause an arbitrary out-of-bounds memory read potentially resulting in information disclosure and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/TiffanyBlue/PoCbyMyself/blob/master/mongoose6.13/mqtt/Cesanta%20Mongoose%20MQTT%20mg_mqtt_next_subscribe_topic%20heap%20buffer%20overflow.md
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://twitter.com/thracky/status/1059472674940993541

CVSS

6.4MEDIUM[email protected]
Confidentiality
PARTIAL
Integrity
NONE
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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