gsd-2021-41524
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No exploit is known to the project.
Aliases
Aliases
CVE-2021-41524


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-41524",
    "description": "While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No exploit is known to the project.",
    "id": "GSD-2021-41524",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-41524.html",
      "https://advisories.mageia.org/CVE-2021-41524.html",
      "https://security.archlinux.org/CVE-2021-41524",
      "https://alas.aws.amazon.com/cve/html/CVE-2021-41524.html",
      "https://access.redhat.com/errata/RHSA-2022:7143",
      "https://access.redhat.com/errata/RHSA-2022:7144"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-41524"
      ],
      "details": "While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No exploit is known to the project.",
      "id": "GSD-2021-41524",
      "modified": "2023-12-13T01:23:27.635059Z",
      "schema_version": "1.4.0"
    }
  },
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      },
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            {
              "product": {
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                    "product_name": "Apache HTTP Server",
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            }
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        }
      },
      "credit": [
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          "lang": "eng",
          "value": "Apache httpd team would like to thank LI ZHI XIN from NSFocus Security Team for reporting this issue."
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              }
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      },
      "source": {
        "discovery": "UNKNOWN"
      },
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          "time": "2021-09-17",
          "value": "reported by Gerald Lee"
        },
        {
          "lang": "eng",
          "time": "2021-09-26",
          "value": "fixed by r1893655 in 2.4.x"
        }
      ],
      "work_around": [
        {
          "lang": "eng",
          "value": "Disable the HTTP/2 protocol."
        }
      ]
    },
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "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": "2022-10-28T13:51Z",
      "publishedDate": "2021-10-05T09:15Z"
    }
  }
}


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