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CVE-2005-2991

Estado: ModificadaBaja (2.1)—

ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files using (1) zdiff or (2) zcmp, a different vulnerability than CVE-2004-0970.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Ncompress — Ncompress

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2005-2991",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2005-09-20T20:03:00.000",
  "references": [
    {
      "url": "http://marc.info/?l=bugtraq&m=112689772732098&w=2",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://marc.info/?l=full-disclosure&m=112688098630314&w=2",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://securityreason.com/securityalert/12",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.zataz.net/adviso/ncompress-09052005.txt",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=112689772732098&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://marc.info/?l=full-disclosure&m=112688098630314&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://securityreason.com/securityalert/12",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zataz.net/adviso/ncompress-09052005.txt",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files using (1) zdiff or (2) zcmp, a different vulnerability than CVE-2004-0970."
    }
  ],
  "lastModified": "2026-06-16T22:16:02.737",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ncompress:ncompress:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2B6EBAF3-A0BB-4E0B-9D26-80E824594F2E",
              "versionEndIncluding": "4.2.4_r1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "Not vulnerable.  This issue did not affect the ncompress packages as distributed with Red Hat Enterprise Linux 2.1, 3, or 4.",
      "lastModified": "2006-08-30T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}