gsd-2018-1000027
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
The Squid Software Foundation Squid HTTP Caching Proxy version prior to version 4.0.23 contains a NULL Pointer Dereference vulnerability in HTTP Response X-Forwarded-For header processing that can result in Denial of Service to all clients of the proxy. This attack appear to be exploitable via Remote HTTP server responding with an X-Forwarded-For header to certain types of HTTP request. This vulnerability appears to have been fixed in 4.0.23 and later.
Aliases
Aliases
CVE-2018-1000027


To clipboard 

{
  "GSD": {
    "alias": "CVE-2018-1000027",
    "description": "The Squid Software Foundation Squid HTTP Caching Proxy version prior to version 4.0.23 contains a NULL Pointer Dereference vulnerability in HTTP Response X-Forwarded-For header processing that can result in Denial of Service to all clients of the proxy. This attack appear to be exploitable via Remote HTTP server responding with an X-Forwarded-For header to certain types of HTTP request. This vulnerability appears to have been fixed in 4.0.23 and later.",
    "id": "GSD-2018-1000027",
    "references": [
      "https://www.suse.com/security/cve/CVE-2018-1000027.html",
      "https://www.debian.org/security/2018/dsa-4122",
      "https://access.redhat.com/errata/RHSA-2020:1068",
      "https://ubuntu.com/security/CVE-2018-1000027",
      "https://alas.aws.amazon.com/cve/html/CVE-2018-1000027.html",
      "https://linux.oracle.com/cve/CVE-2018-1000027.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-1000027"
      ],
      "details": "The Squid Software Foundation Squid HTTP Caching Proxy version prior to version 4.0.23 contains a NULL Pointer Dereference vulnerability in HTTP Response X-Forwarded-For header processing that can result in Denial of Service to all clients of the proxy. This attack appear to be exploitable via Remote HTTP server responding with an X-Forwarded-For header to certain types of HTTP request. This vulnerability appears to have been fixed in 4.0.23 and later.",
      "id": "GSD-2018-1000027",
      "modified": "2023-12-13T01:22:27.641720Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "DATE_ASSIGNED": "1/18/2018 15:05:14",
        "ID": "CVE-2018-1000027",
        "REQUESTER": "squid3@treenet.co.nz",
        "STATE": "PUBLIC"
      },
      "affects": {
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          {
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    },
    "nvd.nist.gov": {
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": true,
          "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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2019-07-17T16:15Z",
      "publishedDate": "2018-02-09T23:29Z"
    }
  }
}


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