{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Philipp Spiegelt",
          "Patrick Hochscheidt",
          "Steffen Sanwald"
        ],
        "organization": "Mercedes-Benz Tech Innovation",
        "summary": "reporting the vulnerability"
      }
    ],
    "category": "Siemens Security Advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited.",
      "tlp": {
        "label": "WHITE"
      }
    },
    "notes": [
      {
        "category": "summary",
        "text": "The open source software OpenV2G contains a buffer overflow vulnerability that could allow an attacker to trigger a memory corruption.\n\nSiemens has released an update for the OpenV2G and recommends to update to the latest version.",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens\u0027 operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\n\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity",
        "title": "General Recommendations"
      },
      {
        "category": "general",
        "text": "For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "Siemens Security Advisories are subject to the terms and conditions contained in Siemens\u0027 underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter \"License Terms\"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens\u0027 Global Website (https://www.siemens.com/terms_of_use, hereinafter \"Terms of Use\"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "productcert@siemens.com",
      "name": "Siemens ProductCERT",
      "namespace": "https://www.siemens.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "SSA-736385: Memory Corruption Vulnerability in OpenV2G - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-736385.pdf"
      },
      {
        "category": "self",
        "summary": "SSA-736385: Memory Corruption Vulnerability in OpenV2G - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-736385.txt"
      },
      {
        "category": "self",
        "summary": "SSA-736385: Memory Corruption Vulnerability in OpenV2G - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-736385.json"
      }
    ],
    "title": "SSA-736385: Memory Corruption Vulnerability in OpenV2G",
    "tracking": {
      "current_release_date": "2022-05-10T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-736385",
      "initial_release_date": "2022-05-10T00:00:00Z",
      "revision_history": [
        {
          "date": "2022-05-10T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "V0.9.4",
                "product": {
                  "name": "OpenV2G",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "OpenV2G"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-27242",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The OpenV2G EXI parsing feature is missing a length check when parsing X509 serial numbers. Thus, an attacker could introduce a buffer overflow that leads to memory corruption.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1"
        ]
      },
      "references": [
        {
          "summary": "CVE-2022-27242 - OpenV2G",
          "url": "https://sourceforge.net/projects/openv2g/"
        },
        {
          "summary": "CVE-2022-27242 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2022-27242.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update to V0.9.5 or later version",
          "product_ids": [
            "1"
          ],
          "url": "https://sourceforge.net/projects/openv2g/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.2,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1"
          ]
        }
      ],
      "title": "CVE-2022-27242"
    }
  ]
}