MSRC_CVE-2023-25193

Vulnerability from csaf_microsoft - Published: 2023-02-01 00:00 - Updated: 2023-02-14 00:00
Summary
hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when attaching marks.

Notes

Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
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{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2023-25193 hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when attaching marks. - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-25193.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when attaching marks.",
    "tracking": {
      "current_release_date": "2023-02-14T00:00:00.000Z",
      "generator": {
        "date": "2025-10-20T00:15:36.638Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-25193",
      "initial_release_date": "2023-02-01T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2023-02-13T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2023-02-14T00:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added harfbuzz to CBL-Mariner 1.0"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "1.0",
                "product": {
                  "name": "CBL Mariner 1.0",
                  "product_id": "16820"
                }
              },
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              },
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccm1 mozjs60 60.9.0-13",
                "product": {
                  "name": "\u003ccm1 mozjs60 60.9.0-13",
                  "product_id": "5"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 mozjs60 60.9.0-13",
                "product": {
                  "name": "cm1 mozjs60 60.9.0-13",
                  "product_id": "17848"
                }
              }
            ],
            "category": "product_name",
            "name": "mozjs60"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccm1 harfbuzz 3.4.0-1",
                "product": {
                  "name": "\u003ccm1 harfbuzz 3.4.0-1",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 harfbuzz 3.4.0-1",
                "product": {
                  "name": "cm1 harfbuzz 3.4.0-1",
                  "product_id": "17985"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 harfbuzz 3.4.0-3",
                "product": {
                  "name": "\u003ccbl2 harfbuzz 3.4.0-3",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 harfbuzz 3.4.0-3",
                "product": {
                  "name": "cbl2 harfbuzz 3.4.0-3",
                  "product_id": "17986"
                }
              }
            ],
            "category": "product_name",
            "name": "harfbuzz"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccm1 qt5-qtbase 5.12.11-7",
                "product": {
                  "name": "\u003ccm1 qt5-qtbase 5.12.11-7",
                  "product_id": "4"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 qt5-qtbase 5.12.11-7",
                "product": {
                  "name": "cm1 qt5-qtbase 5.12.11-7",
                  "product_id": "17864"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 qt5-qtbase 5.12.11-15",
                "product": {
                  "name": "\u003ccbl2 qt5-qtbase 5.12.11-15",
                  "product_id": "6"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 qt5-qtbase 5.12.11-15",
                "product": {
                  "name": "cbl2 qt5-qtbase 5.12.11-15",
                  "product_id": "17384"
                }
              }
            ],
            "category": "product_name",
            "name": "qt5-qtbase"
          },
          {
            "category": "product_name",
            "name": "azl3 mozjs 102.15.1-1",
            "product": {
              "name": "azl3 mozjs 102.15.1-1",
              "product_id": "1"
            }
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccm1 mozjs60 60.9.0-13 as a component of CBL Mariner 1.0",
          "product_id": "16820-5"
        },
        "product_reference": "5",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cm1 mozjs60 60.9.0-13 as a component of CBL Mariner 1.0",
          "product_id": "17848-16820"
        },
        "product_reference": "17848",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccm1 harfbuzz 3.4.0-1 as a component of CBL Mariner 1.0",
          "product_id": "16820-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cm1 harfbuzz 3.4.0-1 as a component of CBL Mariner 1.0",
          "product_id": "17985-16820"
        },
        "product_reference": "17985",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccm1 qt5-qtbase 5.12.11-7 as a component of CBL Mariner 1.0",
          "product_id": "16820-4"
        },
        "product_reference": "4",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cm1 qt5-qtbase 5.12.11-7 as a component of CBL Mariner 1.0",
          "product_id": "17864-16820"
        },
        "product_reference": "17864",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 harfbuzz 3.4.0-3 as a component of CBL Mariner 2.0",
          "product_id": "17086-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 harfbuzz 3.4.0-3 as a component of CBL Mariner 2.0",
          "product_id": "17986-17086"
        },
        "product_reference": "17986",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 qt5-qtbase 5.12.11-15 as a component of CBL Mariner 2.0",
          "product_id": "17086-6"
        },
        "product_reference": "6",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 qt5-qtbase 5.12.11-15 as a component of CBL Mariner 2.0",
          "product_id": "17384-17086"
        },
        "product_reference": "17384",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 mozjs 102.15.1-1 as a component of Azure Linux 3.0",
          "product_id": "17084-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-25193",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "flags": [
        {
          "label": "component_not_present",
          "product_ids": [
            "17084-1"
          ]
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "mitre",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "17848-16820",
          "17985-16820",
          "17864-16820",
          "17986-17086",
          "17384-17086"
        ],
        "known_affected": [
          "16820-5",
          "16820-3",
          "16820-4",
          "17086-2",
          "17086-6"
        ],
        "known_not_affected": [
          "17084-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-25193 hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when attaching marks. - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-25193.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-02-13T00:00:00.000Z",
          "details": "60.9.0-13:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "16820-5"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-13T00:00:00.000Z",
          "details": "3.4.0-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "16820-3"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-13T00:00:00.000Z",
          "details": "5.12.11-7:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "16820-4"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-13T00:00:00.000Z",
          "details": "3.4.0-3:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-2"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-13T00:00:00.000Z",
          "details": "5.12.11-15:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-6"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.5,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "16820-5",
            "16820-3",
            "16820-4",
            "17086-2",
            "17086-6"
          ]
        }
      ],
      "title": "hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when attaching marks."
    }
  ]
}


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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.