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.

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

EPSS Score

6% chance of being exploited in the next 30 days.

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

.