Microsoft ASP.NET Core/.NET Core Web Request input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Microsoft ASP.NET Core and .NET Core. The affected element is an unknown function of the component Web Request Handler. Performing a manipulation results in input validation. This vulnerability is identified as CVE-2017-0247. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in Microsoft ASP.NET Core and .NET Core (affected version unknown). This affects an unknown functionality of the component Web Request Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

A denial of service vulnerability exists when the ASP.NET Core fails to properly validate web requests.

The bug was discovered 05/09/2017. The weakness was released 05/12/2017 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2017-0247 since 09/09/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/06/2022).

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-101152 and VDB-101153. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.3
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/09/2016 🔍
05/09/2017 +242 days 🔍
05/12/2017 +3 days 🔍
05/12/2017 +0 days 🔍
05/13/2017 +1 days 🔍
12/06/2022 +2033 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: 239
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-0247 (🔍)
GCVE (CVE): GCVE-0-2017-0247
GCVE (VulDB): GCVE-100-101151
OSVDB: - CVE-2017-0247 - Microsoft - ASP.NET - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 05/13/2017 08:58
Updated: 12/06/2022 11:57
Changes: 05/13/2017 08:58 (56), 09/25/2020 21:11 (3), 12/06/2022 11:57 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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