VDB-134750 · CVE-2019-0982 · Qualys 91528

Microsoft ASP.NET Core 2.1/2.2 data processing

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Microsoft ASP.NET Core 2.1/2.2. Affected by this vulnerability is an unknown functionality. Such manipulation leads to data processing. This vulnerability is referenced as CVE-2019-0982. It is possible to launch the attack remotely. No exploit is available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Microsoft ASP.NET Core 2.1/2.2. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a data processing vulnerability. Using CWE to declare the problem leads to CWE-19. Impacted is availability. CVE summarizes:

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.

The bug was discovered 05/14/2019. The weakness was published 05/14/2019 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 is handled as CVE-2019-0982 since 11/26/2018. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The advisory points out:

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against an ASP.NET Core web application. The vulnerability can be exploited remotely, without authentication.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 91528 (Microsoft ASP.NET Core Denial Of Service Vulnerability May 2019).

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

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Productinfo

Vendor

Microsoft

Name

ASP.NET Core

Version

License

open-source

Website

Vendor: https://www.microsoft.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Data processing
CWE: CWE-19
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

11/26/2018 🔍
05/14/2019 +169 days 🔍
05/14/2019 +0 days 🔍
05/14/2019 +0 days 🔍
05/15/2019 +1 days 🔍
06/10/2020 +392 days 🔍

Sourcesinfo

Vendor: microsoft.com

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

CVE: CVE-2019-0982 (🔍)
GCVE (CVE): GCVE-0-2019-0982
GCVE (VulDB): GCVE-100-134750

Entryinfo

Created: 05/15/2019 08:22
Updated: 06/10/2020 09:27
Changes: 05/15/2019 08:22 (60), 06/10/2020 09:27 (3)
Complete: 🔍
Cache ID: 216::103