ubuntu-cve-2018-10900
Vulnerability from osv_ubuntu
Published
2018-07-26 15:29
Modified
2025-09-08 16:44
Summary
Details

Network Manager VPNC plugin (aka networkmanager-vpnc) before version 1.2.6 is vulnerable to a privilege escalation attack. A new line character can be used to inject a Password helper parameter into the configuration data passed to VPNC, allowing an attacker to execute arbitrary commands as root.

Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8 (High)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:L/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": "network-manager-vpnc",
            "binary_version": "0.9.8.6-1ubuntu2.1"
          },
          {
            "binary_name": "network-manager-vpnc-gnome",
            "binary_version": "0.9.8.6-1ubuntu2.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "network-manager-vpnc",
        "purl": "pkg:deb/ubuntu/network-manager-vpnc@0.9.8.6-1ubuntu2.1?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.9.8.6-1ubuntu2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.9.8.2-1ubuntu1",
        "0.9.8.6-1ubuntu1",
        "0.9.8.6-1ubuntu2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "network-manager-vpnc",
            "binary_version": "1.1.93-1ubuntu0.1"
          },
          {
            "binary_name": "network-manager-vpnc-gnome",
            "binary_version": "1.1.93-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "network-manager-vpnc",
        "purl": "pkg:deb/ubuntu/network-manager-vpnc@1.1.93-1ubuntu0.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.1.93-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.9.10.0-1ubuntu1",
        "1.0.8-1ubuntu1",
        "1.1.93-1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "network-manager-vpnc",
            "binary_version": "1.2.4-6ubuntu0.1"
          },
          {
            "binary_name": "network-manager-vpnc-gnome",
            "binary_version": "1.2.4-6ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "network-manager-vpnc",
        "purl": "pkg:deb/ubuntu/network-manager-vpnc@1.2.4-6ubuntu0.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.2.4-6ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.2.4-4",
        "1.2.4-6"
      ]
    }
  ],
  "aliases": [],
  "details": "Network Manager VPNC plugin (aka networkmanager-vpnc) before version 1.2.6 is vulnerable to a privilege escalation attack. A new line character can be used to inject a Password helper parameter into the configuration data passed to VPNC, allowing an attacker to execute arbitrary commands as root.",
  "id": "UBUNTU-CVE-2018-10900",
  "modified": "2025-09-08T16:44:52Z",
  "published": "2018-07-26T15:29:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-10900"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2018/07/20"
    },
    {
      "type": "REPORT",
      "url": "https://pulsesecurity.co.nz/advisories/NM-VPNC-Privesc"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-10900"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "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": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2018-10900"
  ]
}



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