PT-2019-12009 · Microsoft · Blogengine.Net

Published 2019-06-21 · Updated 2019-06-23 · CVE-2019-10719

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions BlogEngine.NET versions 3.3.7.0 and earlier

Description The issue allows Directory Traversal and Remote Code Execution due to mishandled file creation. This is related to the /api/upload endpoint and the BlogEngine.NET/AppCode/Api/UploadController.cs file. The problem exists because of an incomplete fix for a previous issue.

Recommendations For BlogEngine.NET versions 3.3.7.0 and earlier, consider disabling the /api/upload endpoint until a proper fix is available. Restrict access to the UploadController.cs file to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

RCE

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2019-10719

Affected Products

Blogengine.Net

References · 5

• 🔥 http://packetstormsecurity.com/files/153347/BlogEngine.NET-3.3.6-3.3.7-dirPath-Directory-Traversal-Remote-Code-Execution.html · Exploit
• 🔥 https://securitymetrics.com/blog/BlogEngineNET-Directory-Traversal-Remote-Code-Execution-CVE-2019-10719-CVE-2019-10720 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-10719 · Security Note
• https://osv.dev/vulnerability/CVE-2019-10719 · Vendor Advisory
• http://seclists.org/fulldisclosure/2019/Jun/26 · Note