Information disclosure in .NET Core



Published: 2018-10-10
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-8292
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
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PowerShell Core
Client/Desktop applications / Software for system administration

ASP.NET Core MVC
Universal components / Libraries / Software for developers

Vendor Microsoft

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU15290

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-8292

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to exposure of sensitive information when performing HTTP redirects with the web application. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

PowerShell Core: 6.0.0

ASP.NET Core MVC: 1.0.0 - 2.1.0

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8292


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.



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