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CVE-2022-40023

Good to know:

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Date: September 6, 2022

Sqlalchemy mako before 1.2.2 is vulnerable to Regular expression Denial of Service when using the Lexer class to parse. This also affects babelplugin and linguaplugin.

Language: Python

Severity Score

Related Resources (14)

https://github.com/advisories/GHSA-v973-fxgf-6xhp
https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/
https://nvd.nist.gov/vuln/detail/CVE-2022-40023
https://github.com/sqlalchemy/mako/blob/c2f392e0be52dc67d1b9770ab8cce6a9c736d547/mako/ext/extract.py#L21
https://access.redhat.com/security/cve/CVE-2022-40023
https://github.com/sqlalchemy/mako
https://github.com/pypa/advisory-database/tree/main/vulns/mako/PYSEC-2022-260.yaml
https://pyup.io/vulnerabilities/CVE-2022-40023/50870/
https://github.com/sqlalchemy/mako/issues/366
https://lists.debian.org/debian-lts-announce/2022/09/msg00026.html
https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages
https://github.com/sqlalchemy/mako/commit/925760291d6efec64fda6e9dd1fd9cfbd5be068c
https://pyup.io/vulnerabilities/CVE-2022-40023/50870
https://www.mend.io/vulnerability-database/CVE-2022-40023

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): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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