Server side template injection

Description

The application allows injecting malicious entries into a server-side command template. This vulnerability occurs when an attacker can use the template's template syntax to inject a malicious payload into a template, which is then executed on the server side.

Impact

• Execute commands remotely - View the contents of sensitive files stored on the server. - Obtain sensitive information. - Read system files. - Cause strange behavior on the server.

Recommendation

Properly sanitize user-controlled inputs. Encourage the use of sandboxing.

Threat

Unauthenticated attacker from the Internet.

Expected Remediation Time

⌚ 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: N
• User interaction: N
• Scope: C
• Confidentiality: L
• Integrity: L
• Availability: N

Temporal

• Exploit code madurity: H
• Remediation level: U
• Report confidence: C

Result

• Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:H/RL:U/RC:C
• Score:
  • Base: 7.2
  • Temporal: 7.2
• Severity:
  • Base: High
  • Temporal: High

Requirements

• 173.Discard unsafe inputs
• 176.Restrict system objects
• 265.Restrict access to critical processes
• 266.Disable insecure functionalities

Fixes

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

free trial

Search for vulnerabilities in your apps for free with our automated security testing! Start your 21-day free trial and discover the benefits of our Continuous Hacking Machine Plan. If you prefer a full service that includes the expertise of our ethical hackers, don't hesitate to contact us for our Continuous Hacking Squad Plan.