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CVE-2020-13388

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Date: May 22, 2020

An exploitable vulnerability exists in the configuration-loading functionality of the jw.util package before 2.3 for Python. When loading a configuration with FromString or FromStream with YAML, one can execute arbitrary Python code, resulting in OS command execution, because safe_load is not used.

Language: Python

Severity Score

Related Resources (8)

https://joel-malwarebenchmark.github.io/blog/2020/04/27/cve-2020-13388-jw-util-vulnerability/
https://joel-malwarebenchmark.github.io
https://nvd.nist.gov/vuln/detail/CVE-2020-13388
https://security.netapp.com/advisory/ntap-20200528-0002/
https://github.com/advisories/GHSA-h72c-w3q3-55qq
https://joel-malwarebenchmark.github.io/blog/2020/04/27/cve-2020-13388-jw-util-vulnerability
https://security.netapp.com/advisory/ntap-20200528-0002
https://www.mend.io/vulnerability-database/CVE-2020-13388

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CWE-78

Top Fix

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Upgrade Version

Upgrade to version jw.util - 2.3

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CVSS v3.1

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

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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