PT-2023-24327 · Marsctf · Marsctf

Pankass · Published 2023-06-05 · Updated 2025-01-08 · CVE-2023-33386

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 MarsCTF version 1.2.1

Description The issue is related to an arbitrary file upload vulnerability in the interface for uploading attachments in the background. This allows for potential malicious file uploads.

Recommendations For MarsCTF version 1.2.1, consider restricting access to the attachment upload interface in the background until a fix is available. As a temporary workaround, disabling the file upload functionality can help minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2023-33386

Affected Products

Marsctf

References · 6

• 🔥 https://github.com/b1ackc4t/MarsCTF/issues/10 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-33386 · Security Note
• https://osv.dev/vulnerability/CVE-2023-33386 · Vendor Advisory
• https://github.com/b1ackc4t/MarsCTF/blob/V1.2.1/src/main/java/com/b1ackc4t/marsctfserver/service/impl/CTFFileServiceImpl.java#L46 · Note
• https://t.me/cvenotify/51763 · Telegram Post
• https://t.me/cvenotify/52094 · Telegram Post