PT-2023-20731 · Syncfusion · Syncfusion Ej2 Aspcore File Provider

Published 2023-07-12 · Updated 2023-07-26 · CVE-2023-26564

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Syncfusion EJ2 ASPCore File Provider version 3ac357f

Description The issue allows an unauthenticated attacker to perform directory traversal via Models/PhysicalFileProvider.cs. This enables the attacker to list files within a directory, download any file, or upload any file to any directory accessible by the web server.

Recommendations For Syncfusion EJ2 ASPCore File Provider version 3ac357f, consider restricting access to the Models/PhysicalFileProvider.cs file as a temporary workaround until a patch is available. Additionally, restrict upload and download capabilities to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2023-26564

Affected Products

Syncfusion Ej2 Aspcore File Provider

References · 6

• 🔥 https://github.com/RupturaInfoSec/CVE-2023-26563-26564-26565 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-26564 · Security Note
• https://github.com/SyncfusionExamples/ej2-aspcore-file-provider · Note
• https://ej2.syncfusion.com/documentation/file-manager/file-system-provider · Note
• https://t.me/cibsecurity/66607 · Telegram Post
• https://t.me/cvenotify/55198 · Telegram Post