#VU63533 Path traversal in BlogEngine.Net - CVE-2022-25591

Vulnerability identifier: #VU63533

Vulnerability risk: High

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2022-25591

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
BlogEngine.Net
Web applications / Other software

Vendor: BlogEngine

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and delete arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

BlogEngine.Net: 3.3.8.0

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External links
https://blogengine.io/
https://www.0xlanks.me/blog/cve-2022-25591-advisory/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.