PT-2023-16441 · Ulearn · Ulearn

Carlos Bello · Published 2023-04-05 · Updated 2025-02-13 · CVE-2023-0670

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Ulearn version a5a7ca20de859051ea0470542844980a66dfc05d

Description The issue allows an attacker with administrator permissions to obtain remote code execution on the server through the image upload functionality. This occurs because the application does not validate that the uploaded image is actually an image.

Recommendations For Ulearn version a5a7ca20de859051ea0470542844980a66dfc05d, consider disabling the image upload functionality until a patch is available to prevent remote code execution. Restrict access to the image upload feature to 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-2023-0670

Affected Products

Ulearn

References · 5

• 🔥 https://fluidattacks.com/advisories/scott · Exploit
• https://osv.dev/vulnerability/CVE-2023-0670 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-0670 · Security Note
• https://t.me/cvenotify/47637 · Telegram Post
• https://t.me/cvenotify/111295 · Telegram Post