cve-2011-4539
Vulnerability from cvelistv5
Published
2011-12-08 11:00
Modified
2024-08-07 00:09
Severity ?
Summary
dhcpd in ISC DHCP 4.x before 4.2.3-P1 and 4.1-ESV before 4.1-ESV-R4 does not properly handle regular expressions in dhcpd.conf, which allows remote attackers to cause a denial of service (daemon crash) via a crafted request packet.
References
cve@mitre.orghttp://lists.fedoraproject.org/pipermail/package-announce/2011-December/070980.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://lists.fedoraproject.org/pipermail/package-announce/2012-January/071549.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-updates/2011-12/msg00006.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://secunia.com/advisories/47153Third Party Advisory
cve@mitre.orghttp://secunia.com/advisories/47178Third Party Advisory
cve@mitre.orghttp://security.gentoo.org/glsa/glsa-201301-06.xmlThird Party Advisory
cve@mitre.orghttp://www.debian.org/security/2012/dsa-2519Third Party Advisory
cve@mitre.orghttp://www.mandriva.com/security/advisories?name=MDVSA-2011:182Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/50971Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.securitytracker.com/id?1026393Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.ubuntu.com/usn/USN-1309-1Third Party Advisory
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/71680Third Party Advisory, VDB Entry
cve@mitre.orghttps://www.isc.org/software/dhcp/advisories/cve-2011-4539Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2011-December/070980.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071549.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2011-12/msg00006.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/47153Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/47178Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://security.gentoo.org/glsa/glsa-201301-06.xmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2012/dsa-2519Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDVSA-2011:182Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/50971Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1026393Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-1309-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/71680Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://www.isc.org/software/dhcp/advisories/cve-2011-4539Vendor Advisory
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

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      "descriptions": "[{\"lang\": \"en\", \"value\": \"dhcpd in ISC DHCP 4.x before 4.2.3-P1 and 4.1-ESV before 4.1-ESV-R4 does not properly handle regular expressions in dhcpd.conf, which allows remote attackers to cause a denial of service (daemon crash) via a crafted request packet.\"}, {\"lang\": \"es\", \"value\": \"dhcpd en ISC DHCP v4.x antes de v4.2.3-P1 y v4.1-ESV antes de v4.1-ESV-R4 no manipula correctamente expresiones regulares en dhcpd.conf, lo que permite a atacantes remotos provocar una denegaci\\u00f3n de servicio (ca\\u00edda del deminio) a trav\\u00e9s de un paquete de petici\\u00f3n modificado.\"}]",
      "id": "CVE-2011-4539",
      "lastModified": "2024-11-21T01:32:30.300",
      "metrics": "{\"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:N/A:P\", \"baseScore\": 5.0, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2011-12-08T11:55:02.407",
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      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-20\"}]}]"
    },
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Advisory\"]},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071549.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-updates/2011-12/msg00006.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://secunia.com/advisories/47153\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://secunia.com/advisories/47178\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://security.gentoo.org/glsa/glsa-201301-06.xml\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.debian.org/security/2012/dsa-2519\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.mandriva.com/security/advisories?name=MDVSA-2011:182\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/50971\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id?1026393\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-1309-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/71680\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://www.isc.org/software/dhcp/advisories/cve-2011-4539\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.