CVE-2013-2494

libdns in ISC DHCP 4.2.x before 4.2.5-P1 allows remote name servers to cause a denial of service (memory consumption) via vectors involving a regular expression, as demonstrated by a memory-exhaustion attack against a machine running a dhcpd process, a related issue to CVE-2013-2266.

CVSS v2.0 4.9 MEDIUM

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:H/Au:S/C:N/I:N/A:C

Exploitability : 3.9 / Impact : 6.9

Access Vector NETWORK

Access Complexity HIGH

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://kb.isc.org/article/AA-00880/	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:isc:dhcp:4.2.0:::::::*
	cpe:2.3:a:isc:dhcp:4.2.0:a1::::::
	cpe:2.3:a:isc:dhcp:4.2.0:a2::::::
	cpe:2.3:a:isc:dhcp:4.2.0:b1::::::
	cpe:2.3:a:isc:dhcp:4.2.0:b2::::::
	cpe:2.3:a:isc:dhcp:4.2.0:p1::::::
	cpe:2.3:a:isc:dhcp:4.2.0:rc1::::::
	cpe:2.3:a:isc:dhcp:4.2.1:::::::*
	cpe:2.3:a:isc:dhcp:4.2.1:b1::::::
	cpe:2.3:a:isc:dhcp:4.2.1:rc1::::::
	cpe:2.3:a:isc:dhcp:4.2.2:::::::*
	cpe:2.3:a:isc:dhcp:4.2.2:b1::::::
	cpe:2.3:a:isc:dhcp:4.2.2:rc1::::::
	cpe:2.3:a:isc:dhcp:4.2.3:::::::*
	cpe:2.3:a:isc:dhcp:4.2.3:p1::::::
	cpe:2.3:a:isc:dhcp:4.2.3:p2::::::
	cpe:2.3:a:isc:dhcp:4.2.4:::::::*
	cpe:2.3:a:isc:dhcp:4.2.4:p1::::::
	cpe:2.3:a:isc:dhcp:4.2.5:::::::*

History

No history.

Information

Published : 2013-03-28 16:55

Updated : 2024-02-28 12:00

NVD link : CVE-2013-2494

Mitre link : CVE-2013-2494

CVE.ORG link : CVE-2013-2494

JSON object : View

Products Affected

isc

dhcp

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

{"id": "CVE-2013-2494", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.9, "accessVector": "NETWORK", "vectorString": "AV:N/AC:H/Au:S/C:N/I:N/A:C", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "HIGH", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2013-03-28T16:55:01.060", "references": [{"url": "https://kb.isc.org/article/AA-00880/", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "libdns in ISC DHCP 4.2.x before 4.2.5-P1 allows remote name servers to cause a denial of service (memory consumption) via vectors involving a regular expression, as demonstrated by a memory-exhaustion attack against a machine running a dhcpd process, a related issue to CVE-2013-2266."}, {"lang": "es", "value": "libdns en ISC DHCP v4.2.x antes de v4.2.5-P1 permite a los servidores de nombres remotos provocar una denegaci\u00f3n de servicio (consumo de memoria) a trav\u00e9s de vectores relacionados con una expresi\u00f3n regular, como lo demuestra un ataque memoria de agotamiento contra un equipo que ejecuta un proceso de dhcpd, un tema relacionado con CVE-2013-2266."}], "lastModified": "2013-03-29T04:00:00.000", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7AFCB588-F1C0-4276-993C-CB0FA2BE21F9"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:a1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "56113AB6-8295-4EB7-A003-79049FBB8B4C"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:a2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "362DA97E-B940-4649-803F-26D8C1D16DA5"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:b1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "950A6BA0-C348-4B89-8C18-F2AFA467649F"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:b2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9088D042-F104-4F31-AEBB-75F5A0F03AE5"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:p1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F159908A-00E7-4EC8-8342-28182F547C4A"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1C49DF07-9612-43C7-9771-B76487B4A9CD"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CE3EE047-6A23-4BFF-9576-9E4CA63BA153"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.1:b1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C0F06FC0-6477-4589-B9CB-24B1F893EF09"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.1:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6CCA07EB-B0CB-40EE-B62E-DB4C408717B7"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D1707B3D-29F7-46C6-8A0A-D776E062FD4F"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.2:b1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "53551545-041A-456F-BC81-E05A6B3CB198"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.2:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0F3DBB40-638E-4A4B-99B4-534D2564E146"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "493B7D92-18A4-4221-AEDD-917404C47E6D"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.3:p1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FA0C3173-8630-4613-B1D3-711468FC3749"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.3:p2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F104AD27-0AE0-4853-B19C-1D83070A0DEF"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "65689412-A35D-40B9-8671-DE8FF63C3DCC"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.4:p1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E85A27A0-A83B-4BBF-A3B8-5219F2053902"}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0383976E-DF90-4850-A1A3-D1965B50A511"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}