CVE-2015-0695

Cisco IOS XR 4.3.4 through 5.3.0 on ASR 9000 devices, when uRPF, PBR, QoS, or an ACL is configured, does not properly handle bridge-group virtual interface (BVI) traffic, which allows remote attackers to cause a denial of service (chip and card hangs and reloads) by triggering use of a BVI interface for IPv4 packets, aka Bug ID CSCur62957.

CVSS v2.0 7.8 HIGH

7.8^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150415-iosxr	Vendor Advisory
http://www.securityfocus.com/bid/74162	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1032139	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:cisco:ios_xr:4.3.0:::::::*
	cpe:2.3:o:cisco:ios_xr:4.3.1:::::::*
	cpe:2.3:o:cisco:ios_xr:4.3.2:::::::*
	cpe:2.3:o:cisco:ios_xr:4.3.3:::::::*
	cpe:2.3:o:cisco:ios_xr:5.1.0:::::::*
	cpe:2.3:o:cisco:ios_xr:5.1.1:::::::*
	cpe:2.3:o:cisco:ios_xr:5.1.2:::::::*
	cpe:2.3:o:cisco:ios_xr:5.2.0:::::::*
	cpe:2.3:o:cisco:ios_xr:5.2.1:::::::*

OR	cpe:2.3:h:cisco:asr_9001:-:::::::*
	cpe:2.3:h:cisco:asr_9006:-:::::::*
	cpe:2.3:h:cisco:asr_9010:-:::::::*
	cpe:2.3:h:cisco:asr_9904:-:::::::*
	cpe:2.3:h:cisco:asr_9912:-:::::::*
	cpe:2.3:h:cisco:asr_9922:-:::::::*

History

No history.

Information

Published : 2015-04-17 01:59

Updated : 2023-12-10 11:31

NVD link : CVE-2015-0695

Mitre link : CVE-2015-0695

CVE.ORG link : CVE-2015-0695

JSON object : View

Products Affected

cisco

asr_9001
ios_xr
asr_9922
asr_9006
asr_9904
asr_9912
asr_9010

CWE

CWE-19

Data Processing Errors

CWE-399

Resource Management Errors

{"id": "CVE-2015-0695", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2015-04-17T01:59:26.263", "references": [{"url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150415-iosxr", "tags": ["Vendor Advisory"], "source": "ykramarz@cisco.com"}, {"url": "http://www.securityfocus.com/bid/74162", "tags": ["Third Party Advisory", "VDB Entry"], "source": "ykramarz@cisco.com"}, {"url": "http://www.securitytracker.com/id/1032139", "tags": ["Third Party Advisory", "VDB Entry"], "source": "ykramarz@cisco.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-19"}, {"lang": "en", "value": "CWE-399"}]}], "descriptions": [{"lang": "en", "value": "Cisco IOS XR 4.3.4 through 5.3.0 on ASR 9000 devices, when uRPF, PBR, QoS, or an ACL is configured, does not properly handle bridge-group virtual interface (BVI) traffic, which allows remote attackers to cause a denial of service (chip and card hangs and reloads) by triggering use of a BVI interface for IPv4 packets, aka Bug ID CSCur62957."}, {"lang": "es", "value": "Cisco IOS XR 4.3.4 hasta 5.3.0 en los dispositivos ASR 9000, cuando uRPF, PBR, QoS, o un ACL est\u00e1n configurados, no maneja correctamente trafico de la interfaz virtual de grupos puente (BVI), lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio (cuelgues de chip y tarjeta y recargas) mediante la provocaci\u00f3n del uso de una interfaz BVI para paquetes IPv4, tambi\u00e9n conocido como Bug ID CSCur62957."}], "lastModified": "2017-01-06T15:29:26.277", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios_xr:4.3.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "074571B4-65EF-451A-89DC-0797F6E4BFEA"}, {"criteria": "cpe:2.3:o:cisco:ios_xr:4.3.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D909532E-85F5-4201-8BFF-561A21998D97"}, {"criteria": "cpe:2.3:o:cisco:ios_xr:4.3.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "73D962D3-563F-4CDE-B51D-224D7995FBC9"}, {"criteria": "cpe:2.3:o:cisco:ios_xr:4.3.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "06028637-0F8D-4554-8465-7C70EE3B0944"}, {"criteria": "cpe:2.3:o:cisco:ios_xr:5.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9839DC3C-8B8A-49D5-9E50-BB7C4BCE5878"}, {"criteria": "cpe:2.3:o:cisco:ios_xr:5.1.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "12A14B46-0EC9-4FE4-AD28-F0F7861465B1"}, {"criteria": "cpe:2.3:o:cisco:ios_xr:5.1.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "61C1B066-9DED-46D7-9DF7-AB55DF01B80F"}, {"criteria": "cpe:2.3:o:cisco:ios_xr:5.2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DE1DFA18-E6D7-4F1D-8D9B-70323B2983AC"}, {"criteria": "cpe:2.3:o:cisco:ios_xr:5.2.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "95175A2E-14DB-4730-93EA-2291ED7E0DFC"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:cisco:asr_9001:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "324C97E6-1810-404F-9F45-6240F99FF039"}, {"criteria": "cpe:2.3:h:cisco:asr_9006:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "57EB55BB-41B7-40A1-B6F5-142FE8AB4C16"}, {"criteria": "cpe:2.3:h:cisco:asr_9010:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "433F4A82-04A4-4EAA-8C19-F7581DCD8D29"}, {"criteria": "cpe:2.3:h:cisco:asr_9904:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A93212A4-50AB-42E7-89A4-5FBBAEA050C3"}, {"criteria": "cpe:2.3:h:cisco:asr_9912:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "5445CC54-ACFB-4070-AF26-F91FEAA85181"}, {"criteria": "cpe:2.3:h:cisco:asr_9922:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D7AA58E5-D7E1-48CF-93FF-C60EB85B2BC7"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "ykramarz@cisco.com"}