Information disclosure in Microsoft .NET Framework

1) Information disclosure

EUVDB-ID: #VU16868

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-0545

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to unspecified flaw. A remote attacker can bypass cross-origin resource sharing (CORS) configurations and gain access to potentially sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft .NET Framework: 2.0 - 4.7.2

ASP.NET Core MVC: 2.1.0 - 2.2

CPE2.3

• cpe:2.3:a:microsoft:microsoft_net_framework:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:microsoft_net_framework:3.0:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:microsoft_net_framework:3.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:microsoft_net_framework:4.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:microsoft_net_framework:4.6.2:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:microsoft_net_framework:4.7.2:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:aspnet_core_mvc:2.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:aspnet_core_mvc:2.2:*:*:*:*:*:*:*

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0545

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.