rhsa-2023_7096
Vulnerability from csaf_redhat
Published
2023-11-14 16:14
Modified
2024-09-13 19:01
Summary
Red Hat Security Advisory: python-cryptography security update

Notes

Topic
An update for python-cryptography is now available for Red Hat Enterprise Linux 8. 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
The python-cryptography packages contain a Python Cryptographic Authority's (PyCA's) cryptography library, which provides cryptographic primitives and recipes to Python developers. Security Fix(es): * python-cryptography: memory corruption via immutable objects (CVE-2023-23931) 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.9 Release Notes linked from 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.


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          "text": "A vulnerability was found in python-cryptography. In affected versions, `Cipher.update_into` would accept Python objects which implement the buffer protocol but provide only immutable buffers. This issue allows immutable objects (such as `bytes`) to be mutated, thus violating the fundamental rules of Python, resulting in corrupted output.",
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          "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.",
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-23931",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-23931"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-23931",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-23931"
        },
        {
          "category": "external",
          "summary": "https://github.com/pyca/cryptography/security/advisories/GHSA-w7pp-m8wf-vj6r",
          "url": "https://github.com/pyca/cryptography/security/advisories/GHSA-w7pp-m8wf-vj6r"
        }
      ],
      "release_date": "2023-02-08T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "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",
          "product_ids": [
            "BaseOS-8.9.0.GA:python-cryptography-0:3.2.1-6.el8.src",
            "BaseOS-8.9.0.GA:python-cryptography-debugsource-0:3.2.1-6.el8.aarch64",
            "BaseOS-8.9.0.GA:python-cryptography-debugsource-0:3.2.1-6.el8.ppc64le",
            "BaseOS-8.9.0.GA:python-cryptography-debugsource-0:3.2.1-6.el8.s390x",
            "BaseOS-8.9.0.GA:python-cryptography-debugsource-0:3.2.1-6.el8.x86_64",
            "BaseOS-8.9.0.GA:python3-cryptography-0:3.2.1-6.el8.aarch64",
            "BaseOS-8.9.0.GA:python3-cryptography-0:3.2.1-6.el8.ppc64le",
            "BaseOS-8.9.0.GA:python3-cryptography-0:3.2.1-6.el8.s390x",
            "BaseOS-8.9.0.GA:python3-cryptography-0:3.2.1-6.el8.x86_64",
            "BaseOS-8.9.0.GA:python3-cryptography-debuginfo-0:3.2.1-6.el8.aarch64",
            "BaseOS-8.9.0.GA:python3-cryptography-debuginfo-0:3.2.1-6.el8.ppc64le",
            "BaseOS-8.9.0.GA:python3-cryptography-debuginfo-0:3.2.1-6.el8.s390x",
            "BaseOS-8.9.0.GA:python3-cryptography-debuginfo-0:3.2.1-6.el8.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2023:7096"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "BaseOS-8.9.0.GA:python-cryptography-0:3.2.1-6.el8.src",
            "BaseOS-8.9.0.GA:python-cryptography-debugsource-0:3.2.1-6.el8.aarch64",
            "BaseOS-8.9.0.GA:python-cryptography-debugsource-0:3.2.1-6.el8.ppc64le",
            "BaseOS-8.9.0.GA:python-cryptography-debugsource-0:3.2.1-6.el8.s390x",
            "BaseOS-8.9.0.GA:python-cryptography-debugsource-0:3.2.1-6.el8.x86_64",
            "BaseOS-8.9.0.GA:python3-cryptography-0:3.2.1-6.el8.aarch64",
            "BaseOS-8.9.0.GA:python3-cryptography-0:3.2.1-6.el8.ppc64le",
            "BaseOS-8.9.0.GA:python3-cryptography-0:3.2.1-6.el8.s390x",
            "BaseOS-8.9.0.GA:python3-cryptography-0:3.2.1-6.el8.x86_64",
            "BaseOS-8.9.0.GA:python3-cryptography-debuginfo-0:3.2.1-6.el8.aarch64",
            "BaseOS-8.9.0.GA:python3-cryptography-debuginfo-0:3.2.1-6.el8.ppc64le",
            "BaseOS-8.9.0.GA:python3-cryptography-debuginfo-0:3.2.1-6.el8.s390x",
            "BaseOS-8.9.0.GA:python3-cryptography-debuginfo-0:3.2.1-6.el8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "python-cryptography: memory corruption via immutable objects"
    }
  ]
}


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