#VU45745 Incorrect permission assignment for critical resource


Published: 2020-08-17 | Updated: 2020-11-24

Vulnerability identifier: #VU45745

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
net-snmp (Debian package)
Operating systems & Components / Operating system package or component

Vendor: Debian

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


CPE

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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