In the functionality corresponding to update user data, it is possible to inject potentially dangerous characters that generate inappropriate behavior in the application, exposing the access to Sharepoint and allowing the user to access functionalities and files without authorization.
- Access the Sharepoint administrative center.
- Access files without authorization.
Validate on the server side the types of data that are entered into different types of fields in the application. Restrict file access to authenticated and authorized users only.
Attacker authenticated from the Internet.
Expected Remediation Time
⌚ 45 minutes.
Default score using CVSS 3.1. It may change depending on the context of the src.
- Attack vector: N
- Attack complexity: L
- Privileges required: L
- User interaction: N
- Scope: U
- Confidentiality: L
- Integrity: N
- Availability: N
- Exploit code madurity: X
- Remediation level: X
- Report confidence: X
- Vector string: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:X
- Base: 4.3
- Temporal: 4.3
- Base: Medium
- Temporal: Medium
- 096.Set user's required privileges
- 176.Restrict system objects
- 264.Request authentication
- 320.Avoid client-side control enforcement
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