Remote code execution in Net-snmp package for Debian



Published: 2020-08-17
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-15862
CWE-ID CWE-732
Exploitation vector Network
Public exploit N/A
Vulnerable software
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net-snmp (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Incorrect permission assignment for critical resource

EUVDB-ID: #VU45745

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-15862

CWE-ID: CWE-732 - Incorrect Permission Assignment for Critical Resource

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to insecure permissions set by the Net-snmp installed on Debian-based systems. A remote user can overwrite files in net-snmp directory via EXTEND MIB and execute arbitrary code on the system with root privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

net-snmp (Debian package): 5.0.2a-1 - 5.8+dfsg-5


CPE2.3 External links

http://www.debian.org/security/2020/dsa-4746
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=965166

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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