GSD-2023-40586

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
OWASP Coraza WAF is a golang modsecurity compatible web application firewall library. Due to the misuse of `log.Fatalf`, the application using coraza crashed after receiving crafted requests from attackers. The application will immediately crash after receiving a malicious request that triggers an error in `mime.ParseMediaType`. This issue was patched in version 3.0.1.
Aliases
Aliases
CVE-2023-40586
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{
  "GSD": {
    "alias": "CVE-2023-40586",
    "id": "GSD-2023-40586"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-40586"
      ],
      "details": "OWASP Coraza WAF is a golang modsecurity compatible web application firewall library. Due to the misuse of `log.Fatalf`, the application using coraza crashed after receiving crafted requests from attackers. The application will immediately crash after receiving a malicious request that triggers an error in `mime.ParseMediaType`. This issue was patched in version 3.0.1.\n",
      "id": "GSD-2023-40586",
      "modified": "2023-12-13T01:20:44.016715Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2023-40586",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "coraza",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "\u003c 3.0.1"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "corazawaf"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "OWASP Coraza WAF is a golang modsecurity compatible web application firewall library. Due to the misuse of `log.Fatalf`, the application using coraza crashed after receiving crafted requests from attackers. The application will immediately crash after receiving a malicious request that triggers an error in `mime.ParseMediaType`. This issue was patched in version 3.0.1.\n"
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "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"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-400",
                "lang": "eng",
                "value": "CWE-400: Uncontrolled Resource Consumption"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/corazawaf/coraza/security/advisories/GHSA-c2pj-v37r-2p6h",
            "refsource": "MISC",
            "url": "https://github.com/corazawaf/coraza/security/advisories/GHSA-c2pj-v37r-2p6h"
          },
          {
            "name": "https://github.com/corazawaf/coraza/commit/a5239ba3ce839e14d9b4f9486e1b4a403dcade8c",
            "refsource": "MISC",
            "url": "https://github.com/corazawaf/coraza/commit/a5239ba3ce839e14d9b4f9486e1b4a403dcade8c"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-c2pj-v37r-2p6h",
        "discovery": "UNKNOWN"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003e=v2.0.0 \u003c=v2.0.1",
          "affected_versions": "All versions starting from 2.0.0 up to 2.0.1",
          "cwe_ids": [
            "CWE-1035",
            "CWE-400",
            "CWE-937"
          ],
          "date": "2023-08-25",
          "description": "### Summary\n\nDue to the misuse of `log.Fatalf`, the application using coraza crashed after receiving crafted requests from attackers.\n\n### Details\n\n https://github.com/corazawaf/coraza/blob/82157f85f24c6107667bf0f686b71a72aafdf8a5/internal/bodyprocessors/multipart.go#L26-L29 \nThe bodyprocessors of multipart uses `log.Fatalf` to handle errors from the `mime.ParseMediaType`, but `log.Fatalf` calls `os.Exit` directly after logging the error.\n https://github.com/golang/go/blob/a031f4ef83edc132d5f49382bfef491161de2476/src/log/log.go#L288-L291\nThis means that the application will immediately crash after receiving a malicious request that triggers an error in `mime.ParseMediaType`.\n\n### PoC\n\nThe server can be demonstrated by https://github.com/corazawaf/coraza/tree/main/examples/http-server\n\nAfter sending this request\n```\nPOST / HTTP/1.1\nHost: 127.0.0.1:8090\n```User-Agent```: curl/8.1.2\nAccept: */*\nContent-Length: 199\nContent-Type: multipart/form-data; boundary=------------------------5fa6351b877326a1; a=1; a=2\nConnection: close\n\n --------------------------5fa6351b877326a1\nContent-Disposition: form-data; name=\"file\"; filename=\"123\"\nContent-Type: application/octet-stream\n\n123 \n\n--------------------------5fa6351b877326a1--\n\n```\nThe server will crash immediately. The `a=1; a=2` in `Content-Type` makes `mime: duplicate parameter name` error.\n\n### Impact\n\nI believe the vulnerability was introduced by the following commit: https://github.com/corazawaf/coraza/commit/24af0c8cf4f10bab558740b595712be3b85493ec. \n\n### Mitigation\n\nThe error from `mime.ParseMediaType` should return directly.",
          "fixed_versions": [],
          "identifier": "GMS-2023-1811",
          "identifiers": [
            "GHSA-c2pj-v37r-2p6h",
            "CVE-2023-40586",
            "GMS-2023-1811"
          ],
          "not_impacted": "",
          "package_slug": "go/github.com/corazawaf/coraza/v2",
          "pubdate": "2023-06-26",
          "solution": "Unfortunately, there is no solution available yet.",
          "title": "Coraza has potential denial of service vulnerability",
          "urls": [
            "https://github.com/corazawaf/coraza/security/advisories/GHSA-c2pj-v37r-2p6h",
            "https://github.com/corazawaf/coraza-caddy/issues/48",
            "https://github.com/corazawaf/coraza/commit/24af0c8cf4f10bab558740b595712be3b85493ec",
            "https://github.com/corazawaf/coraza/commit/e1b119b83e12c64f0957e00e8cad45a1b5f012f8",
            "https://github.com/corazawaf/coraza/blob/82157f85f24c6107667bf0f686b71a72aafdf8a5/internal/bodyprocessors/multipart.go#L26-L29",
            "https://github.com/corazawaf/coraza/releases/tag/v3.0.1",
            "https://github.com/golang/go/blob/a031f4ef83edc132d5f49382bfef491161de2476/src/log/log.go#L288-L291",
            "https://github.com/corazawaf/coraza/commit/a5239ba3ce839e14d9b4f9486e1b4a403dcade8c",
            "https://github.com/advisories/GHSA-c2pj-v37r-2p6h"
          ],
          "uuid": "24fe58e8-33e5-40be-9233-78f7ac86fd99",
          "versions": [
            {
              "commit": {
                "sha": "fdad9f5e07fb0c061a55426627afbefcd2b5c657",
                "tags": [
                  "v2.0.0"
                ],
                "timestamp": "20220322211430"
              },
              "number": "v2.0.0"
            },
            {
              "commit": {
                "sha": "a1529abf4746ab3082eb40622fdbeed2a7777fcb",
                "tags": [
                  "v2.0.1"
                ],
                "timestamp": "20220725143314"
              },
              "number": "v2.0.1"
            }
          ]
        },
        {
          "affected_range": "\u003e=v3.0.0 \u003cv3.0.1",
          "affected_versions": "All versions starting from 3.0.0 before 3.0.1",
          "cwe_ids": [
            "CWE-1035",
            "CWE-400",
            "CWE-937"
          ],
          "date": "2023-08-25",
          "description": "### Summary\n\nDue to the misuse of `log.Fatalf`, the application using coraza crashed after receiving crafted requests from attackers.\n\n### Details\n\n https://github.com/corazawaf/coraza/blob/82157f85f24c6107667bf0f686b71a72aafdf8a5/internal/bodyprocessors/multipart.go#L26-L29\nThe bodyprocessors of multipart uses `log.Fatalf` to handle errors from the `mime.ParseMediaType`, but `log.Fatalf` calls `os.Exit` directly after logging the error.\n https://github.com/golang/go/blob/a031f4ef83edc132d5f49382bfef491161de2476/src/log/log.go#L288-L291\nThis means that the application will immediately crash after receiving a malicious request that triggers an error in `mime.ParseMediaType`.\n\n### PoC\n\nThe server can be demonstrated by https://github.com/corazawaf/coraza/tree/main/examples/http-server\n\nAfter sending this request\n```\nPOST / HTTP/1.1\nHost: 127.0.0.1:8090\n```User-Agent```: curl/8.1.2\nAccept: */*\nContent-Length: 199\nContent-Type: multipart/form-data; boundary=------------------------5fa6351b877326a1; a=1; a=2\nConnection: close\n\n --------------------------5fa6351b877326a1\nContent-Disposition: form-data; name=\"file\"; filename=\"123\"\nContent-Type: application/octet-stream\n\n123 \n\n --------------------------5fa6351b877326a1--\n\n```\nThe server will crash immediately. The `a=1; a=2` in `Content-Type` makes `mime: duplicate parameter name` error.\n\n### Impact\n\nI believe the vulnerability was introduced by the following commit: https://github.com/corazawaf/coraza/commit/24af0c8cf4f10bab558740b595712be3b85493ec.\n\n ### Mitigation\n\nThe error from `mime.ParseMediaType` should return directly.",
          "fixed_versions": [
            "v3.0.1"
          ],
          "identifier": "GMS-2023-1812",
          "identifiers": [
            "GHSA-c2pj-v37r-2p6h",
            "CVE-2023-40586",
            "GMS-2023-1812"
          ],
          "not_impacted": "All versions before 3.0.0, all versions starting from 3.0.1",
          "package_slug": "go/github.com/corazawaf/coraza/v3",
          "pubdate": "2023-06-26",
          "solution": "Upgrade to version 3.0.1 or above.",
          "title": "Coraza has potential denial of service vulnerability",
          "urls": [
            "https://github.com/corazawaf/coraza/security/advisories/GHSA-c2pj-v37r-2p6h",
            "https://github.com/corazawaf/coraza-caddy/issues/48",
            "https://github.com/corazawaf/coraza/commit/24af0c8cf4f10bab558740b595712be3b85493ec",
            "https://github.com/corazawaf/coraza/commit/e1b119b83e12c64f0957e00e8cad45a1b5f012f8",
            "https://github.com/corazawaf/coraza/blob/82157f85f24c6107667bf0f686b71a72aafdf8a5/internal/bodyprocessors/multipart.go#L26-L29",
            "https://github.com/corazawaf/coraza/releases/tag/v3.0.1",
            "https://github.com/golang/go/blob/a031f4ef83edc132d5f49382bfef491161de2476/src/log/log.go#L288-L291",
            "https://github.com/corazawaf/coraza/commit/a5239ba3ce839e14d9b4f9486e1b4a403dcade8c",
            "https://github.com/advisories/GHSA-c2pj-v37r-2p6h"
          ],
          "uuid": "3e14990f-8245-4ba9-a968-ce0510dde9c9",
          "versions": [
            {
              "commit": {
                "sha": "ad50864cfa00f5143fff7f6877847326fdc4b394",
                "tags": [
                  "v3.0.0"
                ],
                "timestamp": "20230531073255"
              },
              "number": "v3.0.0"
            },
            {
              "commit": {
                "sha": "a5239ba3ce839e14d9b4f9486e1b4a403dcade8c",
                "tags": [
                  "v3.0.1"
                ],
                "timestamp": "20230625161626"
              },
              "number": "v3.0.1"
            }
          ]
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:coraza:coraza:3.0.0:*:*:*:*:go:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
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          "ID": "CVE-2023-40586"
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        "data_type": "CVE",
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        "description": {
          "description_data": [
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              "lang": "en",
              "value": "OWASP Coraza WAF is a golang modsecurity compatible web application firewall library. Due to the misuse of `log.Fatalf`, the application using coraza crashed after receiving crafted requests from attackers. The application will immediately crash after receiving a malicious request that triggers an error in `mime.ParseMediaType`. This issue was patched in version 3.0.1.\n"
            }
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        "problemtype": {
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                  "value": "NVD-CWE-noinfo"
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        "references": {
          "reference_data": [
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              "name": "https://github.com/corazawaf/coraza/commit/a5239ba3ce839e14d9b4f9486e1b4a403dcade8c",
              "refsource": "MISC",
              "tags": [
                "Patch"
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              "url": "https://github.com/corazawaf/coraza/commit/a5239ba3ce839e14d9b4f9486e1b4a403dcade8c"
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              "name": "https://github.com/corazawaf/coraza/security/advisories/GHSA-c2pj-v37r-2p6h",
              "refsource": "MISC",
              "tags": [
                "Mitigation",
                "Vendor Advisory"
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              "url": "https://github.com/corazawaf/coraza/security/advisories/GHSA-c2pj-v37r-2p6h"
            }
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        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "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"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-09-01T18:06Z",
      "publishedDate": "2023-08-25T21:15Z"
    }
  }
}


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  • 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.
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  • 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.



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