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CVE-2022-42966

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Date: November 8, 2022

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the cleo PyPI package, when an attacker is able to supply arbitrary input to the Table.set_rows method

Language: Python

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2022-42966
https://github.com/pypa/advisory-database/tree/main/vulns/cleo/PYSEC-2022-43178.yaml
https://research.jfrog.com/vulnerabilities/cleo-redos-xray-257186
https://github.com/python-poetry/cleo/releases/tag/2.0.0
https://github.com/python-poetry/cleo/pull/285
https://research.jfrog.com/vulnerabilities/cleo-redos-xray-257186/
https://github.com/python-poetry/cleo
https://github.com/python-poetry/cleo/commit/b5b9a04d2caf58bf7cf94eb7ae4a1ebbe60ea455
https://www.mend.io/vulnerability-database/CVE-2022-42966

Severity Score

Weakness Type (CWE)

Inefficient Regular Expression Complexity

CWE-1333

Top Fix

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CVSS v3.1

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

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