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CVE-2022-40897

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Date: December 21, 2022

Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of service via HTML in a crafted package or custom PackageIndex page. There is a Regular Expression Denial of Service (ReDoS) in package_index.py.

Language: Python

Severity Score

Related Resources (24)

https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/
https://security.netapp.com/advisory/ntap-20230214-0001/
https://nvd.nist.gov/vuln/detail/CVE-2022-40897
https://github.com/pypa/setuptools
https://github.com/pypa/setuptools/blob/fe8a98e696241487ba6ac9f91faa38ade939ec5d/setuptools/package_index.py#L200
https://access.redhat.com/security/cve/CVE-2022-40897
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ADES3NLOE5QJKBLGNZNI2RGVOSQXA37R/
https://github.com/pypa/setuptools/issues/3659
https://security-tracker.debian.org/tracker/CVE-2022-40897
https://setuptools.pypa.io/en/latest
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ADES3NLOE5QJKBLGNZNI2RGVOSQXA37R/
https://pyup.io/vulnerabilities/CVE-2022-40897/52495
https://github.com/pypa/setuptools/compare/v65.5.0...v65.5.1
https://github.com/pypa/setuptools/commit/43a9c9bfa6aa626ec2a22540bea28d2ca77964be
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-40897
https://pyup.io/vulnerabilities/CVE-2022-40897/52495/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YNA2BAH2ACBZ4TVJZKFLCR7L23BG5C3H/
https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages
https://security.netapp.com/advisory/ntap-20240621-0006/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ADES3NLOE5QJKBLGNZNI2RGVOSQXA37R
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YNA2BAH2ACBZ4TVJZKFLCR7L23BG5C3H
https://security.netapp.com/advisory/ntap-20230214-0001
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YNA2BAH2ACBZ4TVJZKFLCR7L23BG5C3H/
https://www.mend.io/vulnerability-database/CVE-2022-40897

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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