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GSD-2008-3656

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression.
Aliases
Aliases

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      "https://linux.oracle.com/cve/CVE-2008-3656.html"
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                "US Government Resource"
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              "url": "http://www.us-cert.gov/cas/techalerts/TA09-133A.html"
            },
            {
              "name": "APPLE-SA-2009-05-12",
              "refsource": "APPLE",
              "tags": [],
              "url": "http://lists.apple.com/archives/security-announce/2009/May/msg00002.html"
            },
            {
              "name": "http://support.apple.com/kb/HT3549",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://support.apple.com/kb/HT3549"
            },
            {
              "name": "ADV-2008-2334",
              "refsource": "VUPEN",
              "tags": [],
              "url": "http://www.vupen.com/english/advisories/2008/2334"
            },
            {
              "name": "ruby-webrick-dos(44371)",
              "refsource": "XF",
              "tags": [],
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/44371"
            },
            {
              "name": "oval:org.mitre.oval:def:9682",
              "refsource": "OVAL",
              "tags": [],
              "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9682"
            },
            {
              "name": "USN-651-1",
              "refsource": "UBUNTU",
              "tags": [],
              "url": "https://usn.ubuntu.com/651-1/"
            },
            {
              "name": "20080831 rPSA-2008-0264-1 ruby",
              "refsource": "BUGTRAQ",
              "tags": [],
              "url": "http://www.securityfocus.com/archive/1/495884/100/0/threaded"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": true,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.8,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2018-10-11T20:48Z",
      "publishedDate": "2008-08-13T01:41Z"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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