{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited. (TLPv2: TLP:CLEAR)",
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Multiple out-of-bounds vulnerabilities in third-party components are affecting SITOP UPS1600 before V2.5.4. Attackers could exploit these vulnerabilities and cause limited impact in the affected systems.\n\nSiemens has released new versions for the affected products and recommends to update to the latest versions.",
        "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: \nhttps://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\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-238730: Out-of-Bounds Write Vulnerabilities in SITOP UPS1600 before V2.5.4 - HTML Version",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-238730.html"
      },
      {
        "category": "self",
        "summary": "SSA-238730: Out-of-Bounds Write Vulnerabilities in SITOP UPS1600 before V2.5.4 - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-238730.json"
      },
      {
        "category": "self",
        "summary": "SSA-238730: Out-of-Bounds Write Vulnerabilities in SITOP UPS1600 before V2.5.4 - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-238730.pdf"
      },
      {
        "category": "self",
        "summary": "SSA-238730: Out-of-Bounds Write Vulnerabilities in SITOP UPS1600 before V2.5.4 - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-238730.txt"
      }
    ],
    "title": "SSA-238730: Out-of-Bounds Write Vulnerabilities in SITOP UPS1600 before V2.5.4",
    "tracking": {
      "current_release_date": "2024-06-11T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-238730",
      "initial_release_date": "2024-06-11T00:00:00Z",
      "revision_history": [
        {
          "date": "2024-06-11T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        }
      ],
      "status": "interim",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV2.5.4",
                "product": {
                  "name": "SITOP UPS1600 10 A Ethernet/ PROFINET (6EP4134-3AB00-2AY0)",
                  "product_id": "1",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6EP4134-3AB00-2AY0"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SITOP UPS1600 10 A Ethernet/ PROFINET (6EP4134-3AB00-2AY0)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV2.5.4",
                "product": {
                  "name": "SITOP UPS1600 20 A Ethernet/ PROFINET (6EP4136-3AB00-2AY0)",
                  "product_id": "2",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6EP4136-3AB00-2AY0"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SITOP UPS1600 20 A Ethernet/ PROFINET (6EP4136-3AB00-2AY0)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV2.5.4",
                "product": {
                  "name": "SITOP UPS1600 40 A Ethernet/ PROFINET (6EP4137-3AB00-2AY0)",
                  "product_id": "3",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6EP4137-3AB00-2AY0"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SITOP UPS1600 40 A Ethernet/ PROFINET (6EP4137-3AB00-2AY0)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV2.5.4",
                "product": {
                  "name": "SITOP UPS1600 EX 20 A Ethernet PROFINET (6EP4136-3AC00-2AY0)",
                  "product_id": "4",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6EP4136-3AC00-2AY0"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SITOP UPS1600 EX 20 A Ethernet PROFINET (6EP4136-3AC00-2AY0)"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-26552",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "notes": [
        {
          "category": "summary",
          "text": "mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a decimal point. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update to V2.5.4 or later version",
          "product_ids": [
            "1",
            "2",
            "3",
            "4"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/79207181/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4"
          ]
        }
      ],
      "title": "CVE-2023-26552"
    },
    {
      "cve": "CVE-2023-26553",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "notes": [
        {
          "category": "summary",
          "text": "mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when copying the trailing number. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update to V2.5.4 or later version",
          "product_ids": [
            "1",
            "2",
            "3",
            "4"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/79207181/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4"
          ]
        }
      ],
      "title": "CVE-2023-26553"
    },
    {
      "cve": "CVE-2023-26554",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "notes": [
        {
          "category": "summary",
          "text": "mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a \u0027\\0\u0027 character. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update to V2.5.4 or later version",
          "product_ids": [
            "1",
            "2",
            "3",
            "4"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/79207181/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4"
          ]
        }
      ],
      "title": "CVE-2023-26554"
    }
  ]
}