ubuntu-cve-2020-9746
Vulnerability from osv_ubuntu
Published
2020-10-14 14:15
Modified
2025-07-16 04:55
Summary
Details

Adobe Flash Player version 32.0.0.433 (and earlier) are affected by an exploitable NULL pointer dereference vulnerability that could result in a crash and arbitrary code execution. Exploitation of this issue requires an attacker to insert malicious strings in an HTTP response that is by default delivered over TLS/SSL.

Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.0 (High)
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "flashplugin-downloader",
            "binary_version": "32.0.0.445ubuntu0.16.04.1"
          },
          {
            "binary_name": "flashplugin-installer",
            "binary_version": "32.0.0.445ubuntu0.16.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "flashplugin-nonfree",
        "purl": "pkg:deb/ubuntu/flashplugin-nonfree@32.0.0.445ubuntu0.16.04.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "32.0.0.445ubuntu0.16.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "11.2.202.540ubuntu2",
        "11.2.202.548ubuntu1",
        "11.2.202.554ubuntu1",
        "11.2.202.559ubuntu1",
        "11.2.202.569ubuntu1",
        "11.2.202.577ubuntu1",
        "11.2.202.616ubuntu1",
        "11.2.202.621ubuntu0.16.04.1",
        "11.2.202.626ubuntu0.16.04.1",
        "11.2.202.632ubuntu0.16.04.1",
        "11.2.202.635ubuntu0.16.04.1",
        "11.2.202.637ubuntu0.16.04.1",
        "11.2.202.643ubuntu0.16.04.1",
        "11.2.202.644ubuntu0.16.04.1",
        "24.0.0.186ubuntu0.16.04.1",
        "24.0.0.194ubuntu0.16.04.1",
        "24.0.0.221ubuntu0.16.04.1",
        "25.0.0.127ubuntu0.16.04.1",
        "25.0.0.148ubuntu0.16.04.1",
        "25.0.0.171ubuntu0.16.04.1",
        "26.0.0.126ubuntu0.16.04.1",
        "26.0.0.131ubuntu0.16.04.1",
        "26.0.0.137ubuntu0.16.04.1",
        "26.0.0.151ubuntu0.16.04.1",
        "27.0.0.130ubuntu0.16.04.1",
        "27.0.0.159ubuntu0.16.04.1",
        "27.0.0.170ubuntu0.16.04.1",
        "27.0.0.183ubuntu0.16.04.1",
        "27.0.0.187ubuntu0.16.04.1",
        "28.0.0.126ubuntu0.16.04.1",
        "28.0.0.137ubuntu0.16.04.1",
        "28.0.0.161ubuntu0.16.04.1",
        "29.0.0.113ubuntu0.16.04.1",
        "29.0.0.140ubuntu0.16.04.1",
        "29.0.0.171ubuntu0.16.04.1",
        "30.0.0.113ubuntu0.16.04.1",
        "30.0.0.134ubuntu0.16.04.1",
        "30.0.0.154ubuntu0.16.04.1",
        "31.0.0.108ubuntu0.16.04.1",
        "31.0.0.122ubuntu0.16.04.1",
        "31.0.0.148ubuntu0.16.04.1",
        "31.0.0.153ubuntu0.16.04.1",
        "32.0.0.101ubuntu0.16.04.1",
        "32.0.0.114ubuntu0.16.04.1",
        "32.0.0.142ubuntu0.16.04.1",
        "32.0.0.156ubuntu0.16.04.1",
        "32.0.0.171ubuntu0.16.04.1",
        "32.0.0.192ubuntu0.16.04.1",
        "32.0.0.207ubuntu0.16.04.1",
        "32.0.0.223ubuntu0.16.04.1",
        "32.0.0.238ubuntu0.16.04.1",
        "32.0.0.255ubuntu0.16.04.1",
        "32.0.0.270ubuntu0.16.04.1",
        "32.0.0.293ubuntu0.16.04.1",
        "32.0.0.303ubuntu0.16.04.2",
        "32.0.0.314ubuntu0.16.04.1",
        "32.0.0.330ubuntu0.16.04.1",
        "32.0.0.344ubuntu0.16.04.1",
        "32.0.0.363ubuntu0.16.04.1",
        "32.0.0.371ubuntu0.16.04.1",
        "32.0.0.387ubuntu0.16.04.1",
        "32.0.0.403ubuntu0.16.04.1",
        "32.0.0.414ubuntu0.16.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "flashplugin-downloader",
            "binary_version": "32.0.0.445ubuntu0.18.04.1"
          },
          {
            "binary_name": "flashplugin-installer",
            "binary_version": "32.0.0.445ubuntu0.18.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "flashplugin-nonfree",
        "purl": "pkg:deb/ubuntu/flashplugin-nonfree@32.0.0.445ubuntu0.18.04.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "32.0.0.445ubuntu0.18.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "27.0.0.170ubuntu1",
        "27.0.0.187ubuntu1",
        "28.0.0.126ubuntu1",
        "28.0.0.137ubuntu1",
        "28.0.0.161ubuntu1",
        "28.0.0.161ubuntu2",
        "28.0.0.161ubuntu3",
        "29.0.0.113ubuntu1",
        "29.0.0.140ubuntu1",
        "29.0.0.171ubuntu1",
        "30.0.0.113ubuntu0.18.04.1",
        "30.0.0.134ubuntu0.18.04.1",
        "30.0.0.154ubuntu0.18.04.1",
        "31.0.0.108ubuntu0.18.04.1",
        "31.0.0.122ubuntu0.18.04.1",
        "31.0.0.148ubuntu0.18.04.1",
        "31.0.0.153ubuntu0.18.04.1",
        "32.0.0.101ubuntu0.18.04.1",
        "32.0.0.114ubuntu0.18.04.1",
        "32.0.0.142ubuntu0.18.04.1",
        "32.0.0.156ubuntu0.18.04.1",
        "32.0.0.171ubuntu0.18.04.1",
        "32.0.0.192ubuntu0.18.04.1",
        "32.0.0.207ubuntu0.18.04.1",
        "32.0.0.223ubuntu0.18.04.1",
        "32.0.0.238ubuntu0.18.04.1",
        "32.0.0.255ubuntu0.18.04.1",
        "32.0.0.270ubuntu0.18.04.1",
        "32.0.0.293ubuntu0.18.04.1",
        "32.0.0.303ubuntu0.18.04.2",
        "32.0.0.314ubuntu0.18.04.1",
        "32.0.0.330ubuntu0.18.04.1",
        "32.0.0.344ubuntu0.18.04.1",
        "32.0.0.363ubuntu0.18.04.1",
        "32.0.0.371ubuntu0.18.04.1",
        "32.0.0.387ubuntu0.18.04.1",
        "32.0.0.403ubuntu0.18.04.1",
        "32.0.0.414ubuntu0.18.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "flashplugin-installer",
            "binary_version": "32.0.0.445ubuntu0.20.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "flashplugin-nonfree",
        "purl": "pkg:deb/ubuntu/flashplugin-nonfree@32.0.0.445ubuntu0.20.04.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "32.0.0.445ubuntu0.20.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "32.0.0.255ubuntu1",
        "32.0.0.293ubuntu1",
        "32.0.0.303ubuntu1",
        "32.0.0.303ubuntu2",
        "32.0.0.314ubuntu1",
        "32.0.0.330ubuntu1",
        "32.0.0.344ubuntu1",
        "32.0.0.344ubuntu2",
        "32.0.0.363ubuntu1",
        "32.0.0.371ubuntu0.20.04.1",
        "32.0.0.387ubuntu0.20.04.1",
        "32.0.0.403ubuntu0.20.04.1",
        "32.0.0.414ubuntu0.20.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Adobe Flash Player version 32.0.0.433 (and earlier) are affected by an exploitable NULL pointer dereference vulnerability that could result in a crash and arbitrary code execution. Exploitation of this issue requires an attacker to insert malicious strings in an HTTP response that is by default delivered over TLS/SSL.",
  "id": "UBUNTU-CVE-2020-9746",
  "modified": "2025-07-16T04:55:38Z",
  "published": "2020-10-14T14:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-9746"
    },
    {
      "type": "REPORT",
      "url": "https://helpx.adobe.com/security/products/flash-player/apsb20-58.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-9746"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-9746"
  ]
}



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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

Author Source Type Date Other

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.