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CVE-2021-44657

Good to know:

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Date: December 15, 2021

In StackStorm versions prior to 3.6.0, the jinja interpreter was not run in sandbox mode and thus allows execution of unsafe system commands. Jinja does not enable sandboxed mode by default due to backwards compatibility. Stackstorm now sets sandboxed mode for jinja by default.

Language: Python

Severity Score

Related Resources (6)

https://github.com/pallets/jinja/issues/549
https://nvd.nist.gov/vuln/detail/CVE-2021-44657
https://github.com/StackStorm/st2/pull/5359
https://stackstorm.com/2021/12/16/stackstorm-v3-6-0-released/
https://podalirius.net/en/articles/python-vulnerabilities-code-execution-in-jinja-templates/
https://www.mend.io/vulnerability-database/CVE-2021-44657

Severity Score

Weakness Type (CWE)

Code Injection

CWE-94

Top Fix

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CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH
Additional information:

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