RIOT 2019.07 MQTT Server null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in RIOT 2019.07. This vulnerability affects unknown code of the component MQTT Server. Such manipulation leads to null pointer dereference. This vulnerability is listed as CVE-2019-16754. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in RIOT 2019.07 and classified as problematic. Affected by this issue is an unknown functionality of the component MQTT Server. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:

RIOT 2019.07 contains a NULL pointer dereference in the MQTT-SN implementation (asymcute), potentially allowing an attacker to crash a network node running RIOT. This requires spoofing an MQTT server response. To do so, the attacker needs to know the MQTT MsgID of a pending MQTT protocol message and the ephemeral port used by RIOT's MQTT implementation. Additionally, the server IP address is required for spoofing the packet.

The weakness was presented 09/24/2019. This vulnerability is handled as CVE-2019-16754 since 09/24/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

09/24/2019 🔍
09/24/2019 +0 days 🔍
09/25/2019 +1 days 🔍
12/27/2023 +1554 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2019-16754 (🔍)
GCVE (CVE): GCVE-0-2019-16754
GCVE (VulDB): GCVE-100-142178

Entryinfo

Created: 09/25/2019 07:26
Updated: 12/27/2023 15:49
Changes: 09/25/2019 07:26 (34), 09/06/2020 16:09 (17), 12/27/2023 15:49 (4)
Complete: 🔍
Cache ID: 216::103

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