#VU24892 Out-of-bounds read in Mini SNMP daemon - CVE-2020-6059

Vulnerability identifier: #VU24892

Vulnerability risk: High

CVSSv4.0: 6.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-6059

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_int" 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
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0976

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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.