#VU82654 Untrusted search path in Tenable Nessus - CVE-2023-5847

Vulnerability identifier: #VU82654

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-5847

CWE-ID: CWE-426

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Tenable Nessus
Client/Desktop applications / Software for system administration

Vendor: Tenable Network Security

Description

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

The vulnerability exists due to usage of an untrusted search path when installing or upgrading software. A local user can place a malicious binary into a specific location on the system and execute arbitrary code with escalated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Tenable Nessus: 10.0.0 - 10.5.5

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External links
https://www.tenable.com/security/tns-2023-36
https://www.zerodayinitiative.com/advisories/ZDI-23-1582/

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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