PT-2022-11503 · Unknown · Novel-Plus

Published 2022-04-28 · Updated 2023-09-13 · CVE-2021-41921

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 novel-plus version 3.6.1

Description The issue allows unrestricted file uploads, which can lead to server attacks and arbitrary code execution due to unrestricted file suffixes and contents.

Recommendations For novel-plus version 3.6.1, restrict file uploads to only allow specific, necessary file types and validate the contents of uploaded files to prevent server attacks and arbitrary code execution. As a temporary workaround, consider disabling file upload functionality until a patch is available.

Exploit

Fix

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2021-41921

Affected Products

Novel-Plus

References · 4

• 🔥 https://github.com/201206030/novel-plus/issues/62 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-41921 · Security Note
• https://osv.dev/vulnerability/CVE-2021-41921 · Vendor Advisory
• https://t.me/cibsecurity/41566 · Telegram Post