Description

The eval function is used with the input of request data, such as url params or request headers, this data is not properly validated and can lead to statements being injected to execute commands on the server.

Impact

- Execute commands on the server.
- Send expressions that saturate the server.

Recommendation

Perform validations over user data entry.

Threat

Attacker authenticated from the Internet.

Expected Remediation Time

⌚ 120 minutes.

Score

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

Base

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

Temporal

• Exploit code maturity: P
• Remediation level: X
• Report confidence: X

Result

• Vector string: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:X
• Score:
• Base: 6.3
• Temporal: 6.0
• Severity:
• Base: Medium
• Temporal: Medium

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: L
• Attack Requirements: N
• Privileges required: L
• User interaction: N
• Confidentiality (VC): L
• Integrity (VI): L
• Availability (VA): L
• 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:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
• Score:
• CVSS-BT: 2.1
• Severity:
• CVSS-BT: Low

Requirements

• 266.Disable insecure functionalities

Fixes

• Java
• C-Sharp
• Go
• Dart
• PHP
• Scala
• Python
• TypeScript

Free trial

Search for vulnerabilities in your apps for free with Fluid Attacks' automated security testing! Start your 21-day free trial and discover the benefits of the Continuous Hacking Essential plan. If you prefer the Advanced plan, which includes the expertise of Fluid Attacks' hacking team, fill out this contact form.