#VU24893 Stack-based buffer overflow in Mini SNMP daemon - CVE-2020-6060

Vulnerability identifier: #VU24893

Vulnerability risk: Medium

CVSSv4.0: 6.6 [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:Green]

CVE-ID: CVE-2020-6060

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mini SNMP daemon
Server applications / Other server solutions

Vendor: Joachim Nilsson

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when the affected system handles multiple connections. A remote unauthenticated attacker can use a specially timed sequence of SNMP connections, trigger stack-based buffer overflow and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mini SNMP daemon: 1.4

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External links
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0977

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Q & A

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.