Description

The application does not properly validate user input, allowing XamlReader instances to be manipulated to generate malicious elements that can interact with other system actors

Impact

Create malicious elements that can produce more severe vulnerabilities

Recommendation

Define length and content validations in all the system inputs

Threat

Authenticated attacker from the Internet

Expected Remediation Time

⌚ 20 minutes.

Score

Default score using CVSS 3.1. It may change depending on the context of the src.

Base

• Attack vector: N
• Attack complexity: H
• Privileges required: L
• User interaction: N
• Scope: U
• Confidentiality: N
• Integrity: L
• Availability: N

Temporal

• Exploit code maturity: P
• Remediation level: U
• Report confidence: C

Result

• Vector string: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:U/RC:C
• Score:
• Base: 3.1
• Temporal: 3.0
• Severity:
• Base: Low
• Temporal: Low

Score 4.0

Default score using CVSS 4.0. It may change depending on the context of the src.

Base 4.0

• Attack vector: N
• Attack complexity: H
• Attack Requirements: N
• Privileges required: L
• User interaction: N
• Confidentiality (VC): N
• Integrity (VI): L
• Availability (VA): N
• Confidentiality (SC): N
• Integrity (SI): N
• Availability (SA): N

Threat 4.0

• Exploit maturity: P

Result 4.0

• Vector string: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
• Score:
• CVSS-BT: 1.3
• Severity:
• CVSS-BT: Low

Requirements

• 173.Discard unsafe inputs

Fixes

• C-Sharp

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