ubuntu-cve-2023-52323
Vulnerability from osv_ubuntu
Published
2024-01-05 04:15
Modified
2025-10-24 05:02
Summary
Details

PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable for a Manger attack.

Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python-pycryptodome",
            "binary_version": "3.4.7-1ubuntu1"
          },
          {
            "binary_name": "python3-pycryptodome",
            "binary_version": "3.4.7-1ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "pycryptodome",
        "purl": "pkg:deb/ubuntu/pycryptodome@3.4.7-1ubuntu1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.4.6-1",
        "3.4.7-1",
        "3.4.7-1ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python-pycryptodome",
            "binary_version": "3.6.1-2build4"
          },
          {
            "binary_name": "python3-pycryptodome",
            "binary_version": "3.6.1-2build4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "pycryptodome",
        "purl": "pkg:deb/ubuntu/pycryptodome@3.6.1-2build4?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.6.1-2build2",
        "3.6.1-2build3",
        "3.6.1-2build4"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "python3-pycryptodome",
            "binary_version": "3.11.0+dfsg1-3ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "pycryptodome",
        "purl": "pkg:deb/ubuntu/pycryptodome@3.11.0+dfsg1-3ubuntu0.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.11.0+dfsg1-3ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.9.7+dfsg1-1build3",
        "3.9.7+dfsg1-1build5",
        "3.11.0+dfsg1-3",
        "3.11.0+dfsg1-3build1"
      ]
    }
  ],
  "aliases": [],
  "details": "PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable for a Manger attack.",
  "id": "UBUNTU-CVE-2023-52323",
  "modified": "2025-10-24T05:02:25Z",
  "published": "2024-01-05T04:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-52323"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/Legrandin/pycryptodome/blob/master/Changelog.rst"
    },
    {
      "type": "REPORT",
      "url": "https://pypi.org/project/pycryptodomex/#history"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6595-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-52323"
    }
  ],
  "related": [
    "USN-6595-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-52323"
  ]
}



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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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