#VU9103 Null pointer dereference in Mongoose - CVE-2017-2893
Published: November 2, 2017
Vulnerability identifier: #VU9103
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-2893
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mongoose
Mongoose
Software vendor:
Cesanta Software Ltd.
Cesanta Software Ltd.
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the MQTT packet parsing functionality due to improper input validation. A remote attacker can send a specially crafted MQTT SUBSCRIBE packet, trigger null pointer dereference and cause the server to crash.
Successful exploitation of the vulnerability results in denial of service.
The weakness exists in the MQTT packet parsing functionality due to improper input validation. A remote attacker can send a specially crafted MQTT SUBSCRIBE packet, trigger null pointer dereference and cause the server to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Update to version 6.10.