PT-2024-25528 · Virtosoftware · Virto Bulk File Download

Published 2024-06-24 · Updated 2024-09-15 · CVE-2024-33881

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions VirtoSoftware Virto Bulk File Download version 5.5.44 for SharePoint 2019

Description An issue was discovered that allows an NTLMv2 hash leak via a UNC share pathname in the path parameter of the isCompleted method in the "Virto.SharePoint.FileDownloader/Api/Download.ashx" API endpoint.

Recommendations For VirtoSoftware Virto Bulk File Download version 5.5.44, consider restricting access to the isCompleted method in the "Virto.SharePoint.FileDownloader/Api/Download.ashx" API endpoint to minimize the risk of exploitation. Avoid using UNC share pathnames in the path parameter until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Path traversal

Information Disclosure

Weakness Enumeration

CWE-22

CWE-200

Related Identifiers

CVE-2024-33881

Affected Products

Virto Bulk File Download

References · 7

• https://osv.dev/vulnerability/CVE-2024-33881 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-33881 · Security Note
• https://t.me/cvenotify/84494 · Telegram Post
• https://download.virtosoftware.com/Manuals/nu_ncsc_virto_one_bulk_file_download_v5.4.4_pt_disclosure.pdf · Note
• https://t.me/cvenotify/84200 · Telegram Post
• https://t.me/cvenotify/94681 · Telegram Post
• https://docs.virtosoftware.com/v/virto-security-frequently-asked-questions-faq · Note