Code Injection Affecting getgrav/grav package, versions <1.7.34


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.1% (43rd percentile)

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  • Snyk IDSNYK-PHP-GETGRAVGRAV-2937800
  • published30 Jun 2022
  • disclosed30 Jun 2022
  • creditRenan Rocha

Introduced: 30 Jun 2022

CVE-2022-2073  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade getgrav/grav to version 1.7.34 or higher.

Overview

getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS.

Affected versions of this package are vulnerable to Code Injection via the |filter() function of Twix extension.

PoC:

{{['cat\x20/etc/passwd']|filter('system')}}

References

CVSS Scores

version 3.1