Vulnerability identifier: #VU88958
Vulnerability risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-122
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
NanoMQ
Client/Desktop applications /
Messaging software
Vendor: NanoMQ
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the "get_var_integer" function in mqtt_parser.c. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and cause a denial of service condition on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
NanoMQ: 0.21.7
External links
http://github.com/nanomq/nanomq/issues/1720
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.