Multiple vulnerabilities in Tenable Identity Exposure

Published: 2024-02-22

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-0057 CVE-2024-20672
CWE-ID	CWE-254 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Tenable Identity Exposure (formerly Tenable.ad) Server applications / Other server solutions
Vendor	Tenable Network Security

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Security features bypass

EUVDB-ID: #VU85247

Risk: High

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-0057

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to security features bypass in NET, .NET Framework and Visual Studio. A remote attacker can present an arbitrary untrusted certificate with malformed signatures and bypass the security feature.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Tenable Identity Exposure (formerly Tenable.ad): 3.11.3 - 3.59.3

CPE2.3

External links

https://www.tenable.com/security/tns-2024-04

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.

2) Input validation error

EUVDB-ID: #VU85211

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-20672

CWE-ID: CWE-20 - Improper input validation