Server-Side Template Injection Vulnerability in Twig by SensioLabs
CVE-2018-13818

9.8CRITICAL

Key Information:

Vendor

Symfony

Status
Twig
Vendor
CVE Published:
10 July 2018

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2018-13818?

The vulnerability in Twig allows for Server-Side Template Injection (SSTI) through the manipulation of the search_key parameter. Although Twig is not a standalone web application, it is crucial for developers using Twig in their applications to implement proper input validation and sanitization when passing inputs to prevent unauthorized code execution.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2018-13818 - Proof of Concept

References

https://github.com/twigphp/Twig/blob/2.x/CHANGELOG
x_refsource_MISC
https://github.com/twigphp/Twig/commit/eddb97148ad779f27e...
x_refsource_MISC
https://www.exploit-db.com/exploits/44102/
exploitx_refsource_EXPLOIT-DB

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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