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CVE-2012-3571 (GCVE-0-2012-3571)

Vulnerability from cvelistv5 – Published: 2012-07-25 10:00 – Updated: 2024-08-06 20:13
VLAI
Summary
ISC DHCP 4.1.2 through 4.2.4 and 4.1-ESV before 4.1-ESV-R6 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed client identifier.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
https://kb.isc.org/article/AA-00712 x_refsource_CONFIRM
http://www.debian.org/security/2012/dsa-2516 vendor-advisoryx_refsource_DEBIAN
http://rhn.redhat.com/errata/RHSA-2012-1141.html vendor-advisoryx_refsource_REDHAT
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://lists.opensuse.org/opensuse-updates/2012-0… vendor-advisoryx_refsource_SUSE
http://kb.juniper.net/InfoCenter/index?page=conte… x_refsource_CONFIRM
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://www.debian.org/security/2012/dsa-2519 vendor-advisoryx_refsource_DEBIAN
http://www.ubuntu.com/usn/USN-1519-1 vendor-advisoryx_refsource_UBUNTU
http://security.gentoo.org/glsa/glsa-201301-06.xml vendor-advisoryx_refsource_GENTOO
http://rhn.redhat.com/errata/RHSA-2012-1140.html vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/54665 vdb-entryx_refsource_BID
Date Public
2012-07-24 00:00
Show details on NVD website
To clipboard 

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      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-119\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2012-3571\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2012-07-25T10:42:35.757\",\"lastModified\":\"2026-04-29T01:13:23.040\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"ISC DHCP 4.1.2 through 4.2.4 and 4.1-ESV before 4.1-ESV-R6 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed client identifier.\"},{\"lang\":\"es\",\"value\":\"ISC DHCP v4.1.2 a v4.2.4 y v4.1-ESV antes de v4.1-ESV-R6 permite a atacantes remotos causar una denegaci\u00f3n de servicio (bucle infinito y excesivo consumo de CPU) a trav\u00e9s de un identificador de cliente con formato incorrecto.\\r\\n\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:A/AC:L/Au:N/C:N/I:N/A:C\",\"baseScore\":6.1,\"accessVector\":\"ADJACENT_NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":6.5,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.1.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DE50853A-BAE7-499B-A3D7-468A08A07BD3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.0:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"150D46FA-873E-4E4F-8192-BCA1076994D7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.0:a1:*:*:*:*:*:*\",\"matchCriteriaId\":\"56113AB6-8295-4EB7-A003-79049FBB8B4C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.0:a2:*:*:*:*:*:*\",\"matchCriteriaId\":\"362DA97E-B940-4649-803F-26D8C1D16DA5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.0:b1:*:*:*:*:*:*\",\"matchCriteriaId\":\"950A6BA0-C348-4B89-8C18-F2AFA467649F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.0:b2:*:*:*:*:*:*\",\"matchCriteriaId\":\"9088D042-F104-4F31-AEBB-75F5A0F03AE5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.0:p1:*:*:*:*:*:*\",\"matchCriteriaId\":\"F159908A-00E7-4EC8-8342-28182F547C4A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.0:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"1C49DF07-9612-43C7-9771-B76487B4A9CD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.1:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"5C6D8D55-DCD2-4E70-B3C6-76F2134DA336\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.1:b1:*:*:*:*:*:*\",\"matchCriteriaId\":\"C0F06FC0-6477-4589-B9CB-24B1F893EF09\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.1:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"6CCA07EB-B0CB-40EE-B62E-DB4C408717B7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.2:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"5E91F700-F59A-491F-BA99-53EC79E573D6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.2:b1:*:*:*:*:*:*\",\"matchCriteriaId\":\"53551545-041A-456F-BC81-E05A6B3CB198\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.2:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"0F3DBB40-638E-4A4B-99B4-534D2564E146\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.3:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"0B921430-F03C-42DB-A362-562136B01445\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.3:p1:*:*:*:*:*:*\",\"matchCriteriaId\":\"FA0C3173-8630-4613-B1D3-711468FC3749\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.3:p2:*:*:*:*:*:*\",\"matchCriteriaId\":\"F104AD27-0AE0-4853-B19C-1D83070A0DEF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.2.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"65689412-A35D-40B9-8671-DE8FF63C3DCC\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.1-esv:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"F27D0660-2F07-430B-A651-5D0B6AA763C0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:*\",\"matchCriteriaId\":\"FBAABA4E-0D34-4644-AC26-E272CEE6C361\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.1-esv:r2:*:*:*:*:*:*\",\"matchCriteriaId\":\"A5E2FFC7-6E73-463E-846C-C403E41A2022\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.1-esv:r3:*:*:*:*:*:*\",\"matchCriteriaId\":\"E9D08285-745D-40AB-9A78-F467712CDA5A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.1-esv:r3_b1:*:*:*:*:*:*\",\"matchCriteriaId\":\"1D115F1F-1A3A-4924-AF10-723B3BB0CBB9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.1-esv:r4:*:*:*:*:*:*\",\"matchCriteriaId\":\"79F235F0-AD16-4E5B-AB60-97F0BB86AEB6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.1-esv:r5:*:*:*:*:*:*\",\"matchCriteriaId\":\"E84D5E5B-0336-4166-AAAC-49375E3AF971\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.1-esv:r5_b1:*:*:*:*:*:*\",\"matchCriteriaId\":\"09561C97-563C-4DDC-9EE4-E83EFFD467D6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"519CF0CC-FB12-4C68-88A0-E0E15738C620\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"80EB131E-32E5-458F-8DDA-48835D2D883F\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:51:42+00:00",
      "cve": "CVE-2012-3571",
      "id": "CVE-2012-3571",
      "initial_release_date": "2012-07-24T00:00:00+00:00",
      "product_status:fixed": "317",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "dhcp: DoS due to error in handling malformed client identifiers",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-3571.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-23T00:53:04Z",
      "cve": "CVE-2012-3571",
      "id": "CVE-2012-3571",
      "initial_release_date": "2023-02-15T05:45:29Z",
      "product_status:recommended": "200",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2012-3571",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-3571.json",
      "version": "18"
    }
  }
}



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Tags
Taxonomy of the tags.





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.