GSD-2006-0459

Vulnerability from gsd - Updated: 2023-12-13 01:19
Details
flex.skl in Will Estes and John Millaway Fast Lexical Analyzer Generator (flex) before 2.5.33 does not allocate enough memory for grammars containing (1) REJECT statements or (2) trailing context rules, which causes flex to generate code that contains a buffer overflow that might allow context-dependent attackers to execute arbitrary code.
Aliases
Aliases
CVE-2006-0459
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{
  "GSD": {
    "alias": "CVE-2006-0459",
    "description": "flex.skl in Will Estes and John Millaway Fast Lexical Analyzer Generator (flex) before 2.5.33 does not allocate enough memory for grammars containing (1) REJECT statements or (2) trailing context rules, which causes flex to generate code that contains a buffer overflow that might allow context-dependent attackers to execute arbitrary code.",
    "id": "GSD-2006-0459",
    "references": [
      "https://www.suse.com/security/cve/CVE-2006-0459.html",
      "https://www.debian.org/security/2006/dsa-1020"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
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      "aliases": [
        "CVE-2006-0459"
      ],
      "details": "flex.skl in Will Estes and John Millaway Fast Lexical Analyzer Generator (flex) before 2.5.33 does not allocate enough memory for grammars containing (1) REJECT statements or (2) trailing context rules, which causes flex to generate code that contains a buffer overflow that might allow context-dependent attackers to execute arbitrary code.",
      "id": "GSD-2006-0459",
      "modified": "2023-12-13T01:19:50.668828Z",
      "schema_version": "1.4.0"
    }
  },
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              "name": "[flex-announce] 20060222 flex 2.5.33 released",
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      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": true,
          "severity": "HIGH",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2023-10-06T17:23Z",
      "publishedDate": "2006-03-29T23:02Z"
    }
  }
}


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  • 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 patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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