PT-2023-21324 · Unknown · Perfreeblog

Published 2023-03-15 · Updated 2023-03-17 · CVE-2023-27757

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 PerfreeBlog version 3.1.1

Description The issue is related to an arbitrary file upload vulnerability in the /admin/user/uploadImg component. This allows attackers to execute arbitrary code via a crafted JPG file.

Recommendations For PerfreeBlog version 3.1.1, consider disabling the /admin/user/uploadImg component until a patch is available to prevent arbitrary file uploads and subsequent code execution.

Exploit

Fix

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2023-27757

Affected Products

Perfreeblog

References · 4

• 🔥 https://github.com/perfree/PerfreeBlog/issues/13 · Exploit
• https://osv.dev/vulnerability/CVE-2023-27757 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-27757 · Security Note
• https://t.me/cvenotify/46188 · Telegram Post