ubuntu-cve-2018-7225
Vulnerability from osv_ubuntu
Published
2018-02-19 00:00
Modified
2026-05-20 14:50
Summary
Details

An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in rfbserver.c does not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets.

Severity
9.8 (Critical)
CVSS:3.0/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": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libvncserver-config",
            "binary_version": "0.9.9+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libvncserver0",
            "binary_version": "0.9.9+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "linuxvnc",
            "binary_version": "0.9.9+dfsg-1ubuntu1.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "libvncserver",
        "purl": "pkg:deb/ubuntu/libvncserver@0.9.9+dfsg-1ubuntu1.3?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.9.9+dfsg-1ubuntu1.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.9.9+dfsg-1",
        "0.9.9+dfsg-1ubuntu1",
        "0.9.9+dfsg-1ubuntu1.1",
        "0.9.9+dfsg-1ubuntu1.2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "tightvncserver",
            "binary_version": "1.3.9-6.5+deb8u1build0.14.04.1~esm1"
          },
          {
            "binary_name": "xtightvncviewer",
            "binary_version": "1.3.9-6.5+deb8u1build0.14.04.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1.3.9-6.5+deb8u1build0.14.04.1~esm1?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.9-6.5+deb8u1build0.14.04.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.9-6.4",
        "1.3.9-6.4ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "italc-client",
            "binary_version": "1:2.0.2+dfsg1-4ubuntu0.1"
          },
          {
            "binary_name": "italc-management-console",
            "binary_version": "1:2.0.2+dfsg1-4ubuntu0.1"
          },
          {
            "binary_name": "italc-master",
            "binary_version": "1:2.0.2+dfsg1-4ubuntu0.1"
          },
          {
            "binary_name": "libitalccore",
            "binary_version": "1:2.0.2+dfsg1-4ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "italc",
        "purl": "pkg:deb/ubuntu/italc@1:2.0.2+dfsg1-4ubuntu0.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.0.2+dfsg1-4ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.0.2+dfsg1-3",
        "1:2.0.2+dfsg1-4"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libvncclient1",
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.2"
          },
          {
            "binary_name": "libvncserver-config",
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.2"
          },
          {
            "binary_name": "libvncserver1",
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libvncserver",
        "purl": "pkg:deb/ubuntu/libvncserver@0.9.10+dfsg-3ubuntu0.16.04.2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.9.10+dfsg-3ubuntu0.16.04.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.9.10+dfsg-3",
        "0.9.10+dfsg-3build1",
        "0.9.10+dfsg-3ubuntu0.16.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "vino",
            "binary_version": "3.8.1-0ubuntu9.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "vino",
        "purl": "pkg:deb/ubuntu/vino@3.8.1-0ubuntu9.3?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.8.1-0ubuntu9.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.8.1-0ubuntu6",
        "3.8.1-0ubuntu7",
        "3.8.1-0ubuntu8",
        "3.8.1-0ubuntu9",
        "3.8.1-0ubuntu9.1",
        "3.8.1-0ubuntu9.2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "tightvncserver",
            "binary_version": "1.3.10-0ubuntu3"
          },
          {
            "binary_name": "xtightvncviewer",
            "binary_version": "1.3.10-0ubuntu3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1.3.10-0ubuntu3?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.10-0ubuntu2",
        "1.3.10-0ubuntu3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "italc-client",
            "binary_version": "1:3.0.3+dfsg1-3ubuntu0.1"
          },
          {
            "binary_name": "italc-management-console",
            "binary_version": "1:3.0.3+dfsg1-3ubuntu0.1"
          },
          {
            "binary_name": "italc-master",
            "binary_version": "1:3.0.3+dfsg1-3ubuntu0.1"
          },
          {
            "binary_name": "libitalccore",
            "binary_version": "1:3.0.3+dfsg1-3ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "italc",
        "purl": "pkg:deb/ubuntu/italc@1:3.0.3+dfsg1-3ubuntu0.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:3.0.3+dfsg1-3ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:3.0.3+dfsg1-1",
        "1:3.0.3+dfsg1-2",
        "1:3.0.3+dfsg1-2build1",
        "1:3.0.3+dfsg1-2ubuntu1",
        "1:3.0.3+dfsg1-3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "vino",
            "binary_version": "3.22.0-3ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "vino",
        "purl": "pkg:deb/ubuntu/vino@3.22.0-3ubuntu1.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.22.0-3ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.8.1-0ubuntu12",
        "3.22.0-2ubuntu1",
        "3.22.0-3ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "tightvncserver",
            "binary_version": "1.3.10-0ubuntu4"
          },
          {
            "binary_name": "xtightvncviewer",
            "binary_version": "1.3.10-0ubuntu4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1.3.10-0ubuntu4?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.10-0ubuntu3",
        "1.3.10-0ubuntu4"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "vino",
            "binary_version": "3.22.0-5ubuntu2.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "vino",
        "purl": "pkg:deb/ubuntu/vino@3.22.0-5ubuntu2.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.22.0-5ubuntu2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.22.0-5ubuntu2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "tightvncserver",
            "binary_version": "1.3.10-0ubuntu5"
          },
          {
            "binary_name": "xtightvncviewer",
            "binary_version": "1.3.10-0ubuntu5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1.3.10-0ubuntu5?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.10-0ubuntu5"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "tightvncpasswd",
            "binary_version": "1:1.3.10-5"
          },
          {
            "binary_name": "tightvncserver",
            "binary_version": "1:1.3.10-5"
          },
          {
            "binary_name": "xtightvncviewer",
            "binary_version": "1:1.3.10-5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1:1.3.10-5?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.3.10-3",
        "1:1.3.10-5"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "tightvncpasswd",
            "binary_version": "1:1.3.10-8"
          },
          {
            "binary_name": "tightvncserver",
            "binary_version": "1:1.3.10-8"
          },
          {
            "binary_name": "xtightvncviewer",
            "binary_version": "1:1.3.10-8"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1:1.3.10-8?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.3.10-7",
        "1:1.3.10-7build1",
        "1:1.3.10-7build2",
        "1:1.3.10-8"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "tightvncpasswd",
            "binary_version": "1:1.3.10-10"
          },
          {
            "binary_name": "tightvncserver",
            "binary_version": "1:1.3.10-10"
          },
          {
            "binary_name": "xtightvncviewer",
            "binary_version": "1:1.3.10-10"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1:1.3.10-10?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.3.10-9",
        "1:1.3.10-10"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "tightvncpasswd",
            "binary_version": "1:1.3.10-10build1"
          },
          {
            "binary_name": "tightvncserver",
            "binary_version": "1:1.3.10-10build1"
          },
          {
            "binary_name": "xtightvncviewer",
            "binary_version": "1:1.3.10-10build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1:1.3.10-10build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.3.10-10",
        "1:1.3.10-10build1"
      ]
    }
  ],
  "aliases": [],
  "details": "An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in rfbserver.c does not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets.",
  "id": "UBUNTU-CVE-2018-7225",
  "modified": "2026-05-20T14:50:34Z",
  "published": "2018-02-19T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-7225"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2018/02/18/1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3618-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4547-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4573-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4587-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-7225"
    }
  ],
  "related": [
    "USN-3618-1",
    "USN-4547-1",
    "USN-4573-1",
    "USN-4587-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/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-2018-7225"
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.