Vulnerability identifier: #VU24891

Vulnerability risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-6058

CWE-ID: CWE-125

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 gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the "decode_cnt" function when processing SNMP packets. A remote attacker can send a specially crafted SNMP request, trigger out-of-bounds read error, read contents of memory on the system and cause a denial of service (DoS) condition.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mini SNMP daemon: 1.4

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External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2020-0975

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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.