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CVE-2007-1856 (GCVE-0-2007-1856)

Vulnerability from cvelistv5 – Published: 2007-04-18 02:20 – Updated: 2024-08-07 13:13
VLAI
Summary
Vixie Cron before 4.1-r10 on Gentoo Linux is installed with insecure permissions, which allows local users to cause a denial of service (cron failure) by creating hard links, which results in a failed st_nlink check in database.c.
Severity
No CVSS data available.
CWE
  • n/a
References
URL Tags
http://lists.grok.org.uk/pipermail/full-disclosur… mailing-listx_refsource_FULLDISC
http://secunia.com/advisories/27886 third-party-advisoryx_refsource_SECUNIA
http://www.vupen.com/english/advisories/2007/3229 vdb-entryx_refsource_VUPEN
http://www.novell.com/linux/security/advisories/2… vendor-advisoryx_refsource_SUSE
http://www.securitytracker.com/id?1018081 vdb-entryx_refsource_SECTRACK
http://secunia.com/advisories/24995 third-party-advisoryx_refsource_SECUNIA
http://support.avaya.com/elmodocs2/security/ASA-2… x_refsource_CONFIRM
http://security.gentoo.org/glsa/glsa-200704-11.xml vendor-advisoryx_refsource_GENTOO
http://secunia.com/advisories/25321 third-party-advisoryx_refsource_SECUNIA
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://secunia.com/advisories/25723 third-party-advisoryx_refsource_SECUNIA
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://secunia.com/advisories/26909 third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/bid/23520 vdb-entryx_refsource_BID
http://secunia.com/advisories/27706 third-party-advisoryx_refsource_SECUNIA
http://rhn.redhat.com/errata/RHSA-2007-0345.html vendor-advisoryx_refsource_REDHAT
http://secunia.com/advisories/24905 third-party-advisoryx_refsource_SECUNIA
Date Public
2007-04-16 00:00
Show details on NVD website

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        {
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        },
        {
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          "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:234"
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        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
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        {
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          "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11463"
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            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
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      ]
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    "nvd": {
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            "nodes": [
              {
                "cpeMatch": [
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                    "matchCriteriaId": "647BA336-5538-4972-9271-383A0EC9378E",
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                ],
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        "cveTags": [],
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          {
            "lang": "en",
            "value": "Vixie Cron before 4.1-r10 on Gentoo Linux is installed with insecure permissions, which allows local users to cause a denial of service (cron failure) by creating hard links, which results in a failed st_nlink check in database.c."
          },
          {
            "lang": "es",
            "value": "Vixie Cron anterior a 4.1-r10 en Gentoo Linux es instalado con permisos inseguros, lo cual permite a usuarios locales provocar una denegaci\u00f3n de servicio (fallo de cron) creando enlaces duros (hard links), lo cual resulta en el fallo de la comprobaci\u00f3n st_nlink en database.c."
          }
        ],
        "id": "CVE-2007-1856",
        "lastModified": "2026-04-23T00:35:47.467",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "LOW",
              "cvssData": {
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                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 2.1,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2007-04-18T03:19:00.000",
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          {
            "source": "secalert@redhat.com",
            "url": "http://lists.grok.org.uk/pipermail/full-disclosure/2007-September/065902.html"
          },
          {
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            "url": "http://rhn.redhat.com/errata/RHSA-2007-0345.html"
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          {
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            "url": "http://secunia.com/advisories/24905"
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          {
            "source": "secalert@redhat.com",
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          {
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            "url": "http://security.gentoo.org/glsa/glsa-200704-11.xml"
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    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T13:20:05+00:00",
      "cve": "CVE-2007-1856",
      "id": "CVE-2007-1856",
      "initial_release_date": "2007-04-10T00:00:00+00:00",
      "product_status:fixed": "126",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "crontab denial of service",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2007/cve-2007-1856.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-05-10T01:27:31Z",
      "cve": "CVE-2007-1856",
      "id": "CVE-2007-1856",
      "initial_release_date": "2023-02-15T06:12:26Z",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2007-1856",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2007-1856.json",
      "version": "6"
    }
  }
}



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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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