usn-5243-1
Vulnerability from osv_ubuntu
Published
2022-01-20 14:48
Modified
2026-02-10 04:42
Summary
aide vulnerability
Details

David Bouman discovered that AIDE incorrectly handled base64 operations. A local attacker could use this issue to cause AIDE to crash, resulting in a denial of service, or possibly execute arbitrary code.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-45417",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "aide",
            "binary_version": "0.16-3ubuntu0.1"
          },
          {
            "binary_name": "aide-common",
            "binary_version": "0.16-3ubuntu0.1"
          },
          {
            "binary_name": "aide-dynamic",
            "binary_version": "0.16-3ubuntu0.1"
          },
          {
            "binary_name": "aide-xen",
            "binary_version": "0.16-3ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "aide",
        "purl": "pkg:deb/ubuntu/aide@0.16-3ubuntu0.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.16-3ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.16-1",
        "0.16-2",
        "0.16-3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-45417",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "aide",
            "binary_version": "0.16.1-1ubuntu0.1"
          },
          {
            "binary_name": "aide-common",
            "binary_version": "0.16.1-1ubuntu0.1"
          },
          {
            "binary_name": "aide-dynamic",
            "binary_version": "0.16.1-1ubuntu0.1"
          },
          {
            "binary_name": "aide-xen",
            "binary_version": "0.16.1-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "aide",
        "purl": "pkg:deb/ubuntu/aide@0.16.1-1ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.16.1-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.16.1-1build2"
      ]
    }
  ],
  "aliases": [],
  "details": "David Bouman discovered that AIDE incorrectly handled base64 operations. A\nlocal attacker could use this issue to cause AIDE to crash, resulting in a\ndenial of service, or possibly execute arbitrary code.\n",
  "id": "USN-5243-1",
  "modified": "2026-02-10T04:42:25Z",
  "published": "2022-01-20T14:48:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5243-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-45417"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "aide vulnerability",
  "upstream": [
    "UBUNTU-CVE-2021-45417"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.