rhsa-2025:13669
Vulnerability from csaf_redhat
Published
2025-08-12 00:44
Modified
2025-08-20 09:43
Summary
Red Hat Security Advisory: python3.11-setuptools security update

Notes

Topic
An update for python3.11-setuptools is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fix(es): * setuptools: Path Traversal Vulnerability in setuptools PackageIndex (CVE-2025-47273) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


To clipboard 

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        "name": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
      },
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          "text": "A path traversal vulnerability in the Python setuptools library allows attackers with limited system access to write files outside the intended temporary directory by manipulating package download URLs. This flaw bypasses basic filename sanitization and can lead to unauthorized overwrites of important system files, creating opportunities for further compromise. While it doesn\u0027t expose data or require user interaction, it poses a high integrity risk and is especially concerning in environments that rely on automated package handling or internal tooling built on setuptools.",
          "title": "Vulnerability description"
        },
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          "text": "setuptools: Path Traversal Vulnerability in setuptools PackageIndex",
          "title": "Vulnerability summary"
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          "text": "Red Hat Product Security has rated this vulnerability \"Moderate\" based on the impact of the damage caused by a successful exploitation and the pre-requisites.\n\n* Exploitation requires that the attacker have limited code execution access to a Python environment where they can trigger the vulnerable PackageIndex.download() function\u2014this might be via a script, plugin, or automated job. Full admin rights aren\u0027t needed but a user with no access at all will be unable to exploit this vulnerability.\n* The vulnerability impacts the integrity of the system within the same security boundary\u2014it does not enable access or compromise across trust boundaries (e.g., from one container to another or from user space to kernel).\n* Successful exploitation only allows the attacker to \"create\" new files. The vulnerability does not provide access to existing files and by an extension to any confidential information. \n* Arbitrary file writes can overwrite critical config files, executables, or scripts. This can lead to persistent code execution, system misconfiguration, or unauthorized behavior, especially in automated environments. While overwriting critical files could theoretically lead to service disruption, the vulnerability in isolation does not inherently cause denial of service. The exploit doesn\u0027t target availability directly, and in many cases, systems may continue running.\n\nWithin regulated environments, a combination of the following controls acts as a significant barrier to the successful exploitation of a CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027) vulnerability and therefore downgrades the severity of this particular CVE from Moderate to Low.\n\nInput validation enforces strict path constraints, rejecting directory traversal attempts or unauthorized file access. Runtime environments restrict code execution to predefined privilege levels, preventing escalation from traversal exploits. Configuration settings limit accessible directories and enforce execution boundaries to reduce the influence of user input on file system behavior. Application components are developed and validated against secure coding standards that explicitly prevent path manipulation, further minimizing exploitation risk.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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          "url": "https://access.redhat.com/security/cve/CVE-2025-47273"
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          "url": "https://github.com/pypa/setuptools/blob/6ead555c5fb29bc57fe6105b1bffc163f56fd558/setuptools/package_index.py#L810C1-L825C88"
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          "summary": "https://github.com/pypa/setuptools/issues/4946",
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          "summary": "https://github.com/pypa/setuptools/security/advisories/GHSA-5rjg-fvgr-3xxf",
          "url": "https://github.com/pypa/setuptools/security/advisories/GHSA-5rjg-fvgr-3xxf"
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      "release_date": "2025-05-17T15:46:11.399000+00:00",
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          "category": "vendor_fix",
          "date": "2025-08-12T00:44:27+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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          "restart_required": {
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          },
          "url": "https://access.redhat.com/errata/RHSA-2025:13669"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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      "scores": [
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          "cvss_v3": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "setuptools: Path Traversal Vulnerability in setuptools PackageIndex"
    }
  ]
}


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