csaf_redhat - rhsa-2023

rhsa-2023_6615

Vulnerability from csaf_redhat

Published

2023-11-07 08:47

Modified

2024-11-14 00:13

Summary

Red Hat Security Advisory: python-cryptography security update

Notes

Topic

An update for python-cryptography is now available for Red Hat Enterprise Linux 9. 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 9.3 Release Notes linked from the References section.

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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          "summary": "RHBZ#2171817",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2171817"
        },
        {
          "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",
          "date": "2023-11-07T08:47:31+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",
          "product_ids": [
            "BaseOS-9.3.0.GA:python-cryptography-0:36.0.1-4.el9.src",
            "BaseOS-9.3.0.GA:python-cryptography-debugsource-0:36.0.1-4.el9.aarch64",
            "BaseOS-9.3.0.GA:python-cryptography-debugsource-0:36.0.1-4.el9.ppc64le",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2023:6615"
        }
      ],
      "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-9.3.0.GA:python-cryptography-0:36.0.1-4.el9.src",
            "BaseOS-9.3.0.GA:python-cryptography-debugsource-0:36.0.1-4.el9.aarch64",
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            "BaseOS-9.3.0.GA:python3-cryptography-debuginfo-0:36.0.1-4.el9.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "python-cryptography: memory corruption via immutable objects"
    }
  ]
}

cve-2023-23931

Vulnerability from cvelistv5

Published

2023-02-07 20:54

Modified

2024-08-02 10:42

Severity ?

4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Summary

Cipher.update_into can corrupt memory in pyca cryptography

References

▼	URL	Tags
	https://github.com/pyca/cryptography/security/advisories/GHSA-w7pp-m8wf-vj6r	x_refsource_CONFIRM
	https://github.com/pyca/cryptography/pull/8230/commits/94a50a9731f35405f0357fa5f3b177d46a726ab3	x_refsource_MISC

Impacted products

▼	Vendor	Product
	pyca	cryptography

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T10:42:27.102Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "url": "https://security.netapp.com/advisory/ntap-20230324-0007/"
          },
          {
            "name": "https://github.com/pyca/cryptography/security/advisories/GHSA-w7pp-m8wf-vj6r",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/pyca/cryptography/security/advisories/GHSA-w7pp-m8wf-vj6r"
          },
          {
            "name": "https://github.com/pyca/cryptography/pull/8230/commits/94a50a9731f35405f0357fa5f3b177d46a726ab3",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
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            "url": "https://github.com/pyca/cryptography/pull/8230/commits/94a50a9731f35405f0357fa5f3b177d46a726ab3"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "cryptography",
          "vendor": "pyca",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e=1.8, \u003c 39.0.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. In affected versions `Cipher.update_into` would accept Python objects which implement the buffer protocol, but provide only immutable buffers. This would allow immutable objects (such as `bytes`) to be mutated, thus violating fundamental rules of Python and resulting in corrupted output. This now correctly raises an exception. This issue has been present since `update_into` was originally introduced in cryptography 1.8."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-754",
              "description": "CWE-754: Improper Check for Unusual or Exceptional Conditions",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-02-07T20:54:03.628Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/pyca/cryptography/security/advisories/GHSA-w7pp-m8wf-vj6r",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/pyca/cryptography/security/advisories/GHSA-w7pp-m8wf-vj6r"
        },
        {
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/pyca/cryptography/pull/8230/commits/94a50a9731f35405f0357fa5f3b177d46a726ab3"
        }
      ],
      "source": {
        "advisory": "GHSA-w7pp-m8wf-vj6r",
        "discovery": "UNKNOWN"
      },
      "title": "Cipher.update_into can corrupt memory in pyca cryptography"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-23931",
    "datePublished": "2023-02-07T20:54:03.628Z",
    "dateReserved": "2023-01-19T21:12:31.360Z",
    "dateUpdated": "2024-08-02T10:42:27.102Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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