Microsoft ASP.NET Core 2.1/2.2 Open Redirect [CVE-2019-1075]

A vulnerability was found in Microsoft ASP.NET Core 2.1/2.2. It has been declared as problematic. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a privilege escalation vulnerability (Redirect). The CWE definition for the vulnerability is CWE-601. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 07/09/2019 as confirmed security update guide (Website). The advisory is available at portal.msrc.microsoft.com. The public release has been coordinated with the vendor. This vulnerability was named CVE-2019-1075. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/10/2019). The advisory points out:

A spoofing vulnerability exists in ASP.NET Core that could lead to an open redirect. An attacker who successfully exploited the vulnerability could redirect a targeted user to a malicious website.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Vendor

Name

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.7

VulDB Base Score: ≈4.9
VulDB Temp Score: ≈4.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Privilege escalation / Redirect (CWE-601)
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: Patch
Status: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

07/09/2019 Advisory disclosed
07/09/2019 +0 days Countermeasure disclosed
07/10/2019 +1 days VulDB entry created
07/10/2019 +0 days VulDB last updateVendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Status: Confirmed
Coordinated: 🔒

CVE: CVE-2019-1075 (🔒)

Created: 07/10/2019 10:15 AM
Complete: 🔍

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