ubuntu-cve-2021-23520
Vulnerability from osv_ubuntu
Published
2022-01-31 11:15
Modified
2026-05-20 14:53
Summary
Details

The package juce-framework/juce before 6.1.5 are vulnerable to Arbitrary File Write via Archive Extraction (Zip Slip) via the ZipFile::uncompressEntry function in juce_ZipFile.cpp. This vulnerability is triggered when the archive is extracted upon calling uncompressTo() on a ZipFile object.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "introjucer",
            "binary_version": "4.1.0+repack-3"
          },
          {
            "binary_name": "juce-modules-source",
            "binary_version": "4.1.0+repack-3"
          },
          {
            "binary_name": "libjuce0",
            "binary_version": "4.1.0+repack-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "juce",
        "purl": "pkg:deb/ubuntu/juce@4.1.0+repack-3?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.1.0+repack-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "juce-modules-source",
            "binary_version": "5.2.1~repack-2"
          },
          {
            "binary_name": "juce-tools",
            "binary_version": "5.2.1~repack-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "juce",
        "purl": "pkg:deb/ubuntu/juce@5.2.1~repack-2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.3.0~repack-1",
        "5.2.0~repack-1",
        "5.2.0~repack-2",
        "5.2.0~repack-3",
        "5.2.1~repack-1",
        "5.2.1~repack-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "juce-modules-source",
            "binary_version": "5.4.7~ds0-1"
          },
          {
            "binary_name": "juce-tools",
            "binary_version": "5.4.7~ds0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "juce",
        "purl": "pkg:deb/ubuntu/juce@5.4.7~ds0-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.4.4~repack0-3",
        "5.4.5~ds0-1",
        "5.4.6~ds0-1",
        "5.4.7~ds0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "juce-modules-source",
            "binary_version": "6.1.5~ds0-1"
          },
          {
            "binary_name": "juce-modules-source-data",
            "binary_version": "6.1.5~ds0-1"
          },
          {
            "binary_name": "juce-tools",
            "binary_version": "6.1.5~ds0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "juce",
        "purl": "pkg:deb/ubuntu/juce@6.1.5~ds0-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.4.7~ds0-2",
        "6.1.3~ds0-1",
        "6.1.4~ds0-1",
        "6.1.5~ds0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "juce-modules-source",
            "binary_version": "7.0.5+ds-2"
          },
          {
            "binary_name": "juce-modules-source-data",
            "binary_version": "7.0.5+ds-2"
          },
          {
            "binary_name": "juce-tools",
            "binary_version": "7.0.5+ds-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "juce",
        "purl": "pkg:deb/ubuntu/juce@7.0.5+ds-2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.0.5+ds-1",
        "7.0.5+ds-1build1",
        "7.0.5+ds-1build2",
        "7.0.5+ds-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "juce-modules-source",
            "binary_version": "8.0.6+ds-2"
          },
          {
            "binary_name": "juce-modules-source-data",
            "binary_version": "8.0.6+ds-2"
          },
          {
            "binary_name": "juce-tools",
            "binary_version": "8.0.6+ds-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "juce",
        "purl": "pkg:deb/ubuntu/juce@8.0.6+ds-2?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "8.0.6+ds-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "juce-modules-source",
            "binary_version": "8.0.12+ds-1"
          },
          {
            "binary_name": "juce-modules-source-data",
            "binary_version": "8.0.12+ds-1"
          },
          {
            "binary_name": "juce-tools",
            "binary_version": "8.0.12+ds-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "juce",
        "purl": "pkg:deb/ubuntu/juce@8.0.12+ds-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "8.0.6+ds-2",
        "8.0.12+ds-1"
      ]
    }
  ],
  "aliases": [],
  "details": "The package juce-framework/juce before 6.1.5 are vulnerable to Arbitrary File Write via Archive Extraction (Zip Slip) via the ZipFile::uncompressEntry function in juce_ZipFile.cpp. This vulnerability is triggered when the archive is extracted upon calling uncompressTo() on a ZipFile object.",
  "id": "UBUNTU-CVE-2021-23520",
  "modified": "2026-05-20T14:53:09Z",
  "published": "2022-01-31T11:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-23520"
    },
    {
      "type": "REPORT",
      "url": "https://snyk.io/vuln/SNYK-UNMANAGED-JUCEFRAMEWORKJUCE-2388607"
    },
    {
      "type": "REPORT",
      "url": "https://snyk.io/research/zip-slip-vulnerability"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/juce-framework/JUCE/commit/2e874e80cba0152201aff6a4d0dc407997d10a7f"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-23520"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-23520"
  ]
}



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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.