CVE-2017-2893

An exploitable NULL pointer dereference vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. An MQTT SUBSCRIBE packet can cause a NULL pointer dereference leading to server crash and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400	Exploit Technical Description Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400	Exploit Technical Description Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:cesanta:mongoose:6.8:*:*:*:*:*:*:*

History

21 Nov 2024, 03:24

Type	Values Removed	Values Added
References	~~() https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400 - Exploit, Technical Description, Third Party Advisory~~	() https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400 - Exploit, Technical Description, Third Party Advisory

Information

Published : 2017-11-07 16:29

Updated : 2024-11-21 03:24

NVD link : CVE-2017-2893

Mitre link : CVE-2017-2893

CVE.ORG link : CVE-2017-2893

JSON object : View

Products Affected

cesanta

mongoose

CWE

CWE-476

NULL Pointer Dereference

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