Published:2017/12/25 Last Updated:2017/12/25
JVN#45494523
MQTT.js issue in handling PUBLISH packets
Overview
MQTT.js contains an issue in handling PUBLISH packets.
Products Affected
- MQTT.js 2.x.x prior to 2.15.0
Description
MQTT.js is a client library for MQTT. MQTT.js contains an issue in handling PUBLISH packets sent from an MQTT Broker.
Impact
Receiving a large number of packets from an MQTT broker may result in a denial-of-service (DoS) condition.
Solution
Update MQTT.js and rebuild the application
Developers of applications that use MQTT.js should update MQTT.js and re-build the application.
Vendor Status
| Vendor | Link |
| MQTT.js | Release v2.15.0 · mqttjs/MQTT.js · GitHub |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
CVSS v3
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Base Score:
4.3
| Attack Vector(AV) | Physical (P) | Local (L) | Adjacent (A) | Network (N) |
|---|---|---|---|---|
| Attack Complexity(AC) | High (H) | Low (L) | ||
| Privileges Required(PR) | High (H) | Low (L) | None (N) | |
| User Interaction(UI) | Required (R) | None (N) | ||
| Scope(S) | Unchanged (U) | Changed (C) | ||
| Confidentiality Impact(C) | None (N) | Low (L) | High (H) | |
| Integrity Impact(I) | None (N) | Low (L) | High (H) | |
| Availability Impact(A) | None (N) | Low (L) | High (H) |
CVSS v2
AV:N/AC:L/Au:S/C:N/I:N/A:P
Base Score:
4.0
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) |
|---|---|---|---|
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) |
Credit
Masataka Sakaguchi, Bintatsu Noda and Hisashi Kojima of Fujitsu Laboratories Ltd.reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2017-10910 |
| JVN iPedia |
JVNDB-2017-000252 |