FKIE_CVE-1999-1301

Vulnerability from fkie_nvd - Published: 1996-07-16 04:00 - Updated: 2026-04-16 00:27
Severity
Summary
A design flaw in the Z-Modem protocol allows the remote sender of a file to execute arbitrary programs on the client, as implemented in rz in the rzsz module of FreeBSD before 2.1.5, and possibly other programs.
References
cve@mitre.orgftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/old/FreeBSD-SA-96:17.rzsz.ascPatch, Vendor Advisory
cve@mitre.orghttp://ciac.llnl.gov/ciac/bulletins/g-31.shtmlPatch, Vendor Advisory
cve@mitre.orghttp://www.iss.net/security_center/static/7540.php
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/old/FreeBSD-SA-96:17.rzsz.ascPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://ciac.llnl.gov/ciac/bulletins/g-31.shtmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.iss.net/security_center/static/7540.php
Impacted products
Vendor Product Version
freebsd freebsd *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "CE5639A0-BF14-47C9-9271-E081FCFCE40A",
              "versionEndIncluding": "2.1.5",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A design flaw in the Z-Modem protocol allows the remote sender of a file to execute arbitrary programs on the client, as implemented in rz in the rzsz module of FreeBSD before 2.1.5, and possibly other programs."
    }
  ],
  "id": "CVE-1999-1301",
  "lastModified": "2026-04-16T00:27:16.627",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "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": true,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "1996-07-16T04:00:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/old/FreeBSD-SA-96:17.rzsz.asc"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://ciac.llnl.gov/ciac/bulletins/g-31.shtml"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.iss.net/security_center/static/7540.php"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/old/FreeBSD-SA-96:17.rzsz.asc"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://ciac.llnl.gov/ciac/bulletins/g-31.shtml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.iss.net/security_center/static/7540.php"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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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.


Detection rules are retrieved from Rulezet.