PT-2019-3902 · Microsoft · Sharepoint Server+1

Published 2019-11-12 · Updated 2020-08-24 · CVE-2019-1443

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft SharePoint Enterprise Server and Microsoft SharePoint Foundation (affected versions not specified)

Description The issue is related to an information disclosure vulnerability in Microsoft SharePoint. It occurs when an attacker uploads a specially crafted file to the SharePoint Server. An authenticated attacker who successfully exploits this vulnerability could potentially leverage SharePoint functionality to obtain SMB hashes. The vulnerability is associated with the uncontrolled upload of dangerous file types, which could allow a remote attacker to gain unauthorized access to protected information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Information Disclosure

Unrestricted File Upload

Weakness Enumeration

CWE-200

CWE-434

Related Identifiers

BDU:2019-04320

CVE-2019-1443

Affected Products

Sharepoint Server

Sharepoint Foundation

References · 6

• https://bdu.fstec.ru/vul/2019-04320 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-1443 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1443 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1443 · Security Note
• https://osv.dev/vulnerability/CVE-2019-1443 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2019111212 · Note