VDB-216310 · CVE-2022-41418 · GCVE-0-2022-41418

BlogEngine.NET 3.3.8.0 PNG File UploadController.cs unrestricted upload

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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in BlogEngine.NET 3.3.8.0. The affected element is an unknown function of the file BlogEngine/BlogEngine.NET/AppCode/Api/UploadController.cs of the component PNG File Handler. Executing a manipulation can lead to unrestricted upload. This vulnerability is registered as CVE-2022-41418. 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 has been found in BlogEngine.NET 3.3.8.0 and classified as critical. This vulnerability affects an unknown part of the file BlogEngine/BlogEngine.NET/AppCode/Api/UploadController.cs of the component PNG File Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue in the component BlogEngine/BlogEngine.NET/AppCode/Api/UploadController.cs of BlogEngine.NET v3.3.8.0 allows attackers to execute arbitrary code via uploading a crafted PNG file.

The weakness was published 12/19/2022 as 7f927567db94462ffd37e128c0a53c11c1f81a8d. The advisory is available at github.com. This vulnerability was named CVE-2022-41418 since 09/26/2022. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.

Applying the patch 7f927567db94462ffd37e128c0a53c11c1f81a8d is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Name

BlogEngine.NET

Version

3.3.8.0

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 7f927567db94462ffd37e128c0a53c11c1f81a8d

Timelineinfo

09/26/2022 🔍
12/19/2022 +84 days 🔍
12/19/2022 +0 days 🔍
01/21/2023 +33 days 🔍

Sourcesinfo

Advisory: 7f927567db94462ffd37e128c0a53c11c1f81a8d
Status: Confirmed

CVE: CVE-2022-41418 (🔍)
GCVE (CVE): GCVE-0-2022-41418
GCVE (VulDB): GCVE-100-216310

Entryinfo

Created: 12/19/2022 23:11
Updated: 01/21/2023 06:24
Changes: 12/19/2022 23:11 (41), 01/21/2023 06:24 (11)
Complete: 🔍
Cache ID: 216::103