Null Pointer Dereference Vulnerability in RIOT MQTT-SN Implementation
CVE-2019-16754

7.5HIGH

Key Information:

Vendor

Riot-os

Status
Riot
Vendor
CVE Published:
24 September 2019

What is CVE-2019-16754?

The RIOT OS 2019.07 version contains a vulnerability in its MQTT-SN implementation, specifically a NULL pointer dereference. This flaw may enable an attacker to crash network nodes running RIOT OS by spoofing MQTT server responses. To exploit this vulnerability, the attacker needs access to the MQTT MsgID of an unfulfilled MQTT message and the ephemeral port used by the MQTT implementation. Furthermore, the attacker's ability to spoof the packet also necessitates knowing the server's IP address, making exploitation contingent on specific network conditions.

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References

https://github.com/RIOT-OS/RIOT/pull/12293
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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