CVE-2015-4321 (GCVE-0-2015-4321)
Vulnerability from cvelistv5 – Published: 2015-08-20 10:00 – Updated: 2024-08-06 06:11
VLAI?
Summary
The Unicast Reverse Path Forwarding (uRPF) implementation in Cisco Adaptive Security Appliance (ASA) Software 9.3(1.50), 9.3(2.100), 9.3(3), and 9.4(1) mishandles cases where an IP address belongs to an internal interface but is also in the ASA routing table, which allows remote attackers to bypass uRPF validation via spoofed packets, aka Bug ID CSCuv60724.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-06T06:11:12.892Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "1033265",
"tags": [
"vdb-entry",
"x_refsource_SECTRACK",
"x_transferred"
],
"url": "http://www.securitytracker.com/id/1033265"
},
{
"name": "20150812 Cisco ASA Unicast Reverse Path Forwarding (uRPF) Bypass Vulnerability",
"tags": [
"vendor-advisory",
"x_refsource_CISCO",
"x_transferred"
],
"url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=40440"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"datePublic": "2015-08-12T00:00:00",
"descriptions": [
{
"lang": "en",
"value": "The Unicast Reverse Path Forwarding (uRPF) implementation in Cisco Adaptive Security Appliance (ASA) Software 9.3(1.50), 9.3(2.100), 9.3(3), and 9.4(1) mishandles cases where an IP address belongs to an internal interface but is also in the ASA routing table, which allows remote attackers to bypass uRPF validation via spoofed packets, aka Bug ID CSCuv60724."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2017-09-20T09:57:01",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "1033265",
"tags": [
"vdb-entry",
"x_refsource_SECTRACK"
],
"url": "http://www.securitytracker.com/id/1033265"
},
{
"name": "20150812 Cisco ASA Unicast Reverse Path Forwarding (uRPF) Bypass Vulnerability",
"tags": [
"vendor-advisory",
"x_refsource_CISCO"
],
"url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=40440"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "psirt@cisco.com",
"ID": "CVE-2015-4321",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "The Unicast Reverse Path Forwarding (uRPF) implementation in Cisco Adaptive Security Appliance (ASA) Software 9.3(1.50), 9.3(2.100), 9.3(3), and 9.4(1) mishandles cases where an IP address belongs to an internal interface but is also in the ASA routing table, which allows remote attackers to bypass uRPF validation via spoofed packets, aka Bug ID CSCuv60724."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "1033265",
"refsource": "SECTRACK",
"url": "http://www.securitytracker.com/id/1033265"
},
{
"name": "20150812 Cisco ASA Unicast Reverse Path Forwarding (uRPF) Bypass Vulnerability",
"refsource": "CISCO",
"url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=40440"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2015-4321",
"datePublished": "2015-08-20T10:00:00",
"dateReserved": "2015-06-04T00:00:00",
"dateUpdated": "2024-08-06T06:11:12.892Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"fkie_nvd": {
"configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3\\\\(1.50\\\\):*:*:*:*:*:*:*\", \"matchCriteriaId\": \"1E044883-9952-477A-B2AA-3E0BB90C96A0\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3\\\\(2.100\\\\):*:*:*:*:*:*:*\", \"matchCriteriaId\": \"6F4A28B7-87A2-464A-92A8-644E3F7D13D7\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3\\\\(3\\\\):*:*:*:*:*:*:*\", \"matchCriteriaId\": \"63FECF84-4FFB-443E-8529-A1FA4D1D821C\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:cisco:adaptive_security_appliance_software:9.4\\\\(1\\\\):*:*:*:*:*:*:*\", \"matchCriteriaId\": \"B854F299-3798-41E7-9C02-17729B75B01C\"}]}]}]",
"descriptions": "[{\"lang\": \"en\", \"value\": \"The Unicast Reverse Path Forwarding (uRPF) implementation in Cisco Adaptive Security Appliance (ASA) Software 9.3(1.50), 9.3(2.100), 9.3(3), and 9.4(1) mishandles cases where an IP address belongs to an internal interface but is also in the ASA routing table, which allows remote attackers to bypass uRPF validation via spoofed packets, aka Bug ID CSCuv60724.\"}, {\"lang\": \"es\", \"value\": \"Vulnerabilidad en la implementaci\\u00f3n Unicast Reverse Path Forwarding (uRPF) en Cisco Adaptive Security Appliance (ASA) Software 9.3(1.50), 9.3(2.100), 9.3(3) y 9.4(1), no maneja correctamente casos en los que una direcci\\u00f3n IP pertenece a una interfaz interna pero tambi\\u00e9n est\\u00e1 en la tabla ASA de enrutamiento, lo que permite a atacantes remotos eludir la validaci\\u00f3n uRPF a trav\\u00e9s de paquetes suplantados, tambi\\u00e9n conocida como Bug ID CSCuv60724.\"}]",
"id": "CVE-2015-4321",
"lastModified": "2024-11-21T02:30:49.733",
"metrics": "{\"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:N/A:N\", \"baseScore\": 5.0, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
"published": "2015-08-20T10:59:09.950",
"references": "[{\"url\": \"http://tools.cisco.com/security/center/viewAlert.x?alertId=40440\", \"source\": \"ykramarz@cisco.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://www.securitytracker.com/id/1033265\", \"source\": \"ykramarz@cisco.com\"}, {\"url\": \"http://tools.cisco.com/security/center/viewAlert.x?alertId=40440\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://www.securitytracker.com/id/1033265\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
"sourceIdentifier": "ykramarz@cisco.com",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-20\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2015-4321\",\"sourceIdentifier\":\"psirt@cisco.com\",\"published\":\"2015-08-20T10:59:09.950\",\"lastModified\":\"2025-04-12T10:46:40.837\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The Unicast Reverse Path Forwarding (uRPF) implementation in Cisco Adaptive Security Appliance (ASA) Software 9.3(1.50), 9.3(2.100), 9.3(3), and 9.4(1) mishandles cases where an IP address belongs to an internal interface but is also in the ASA routing table, which allows remote attackers to bypass uRPF validation via spoofed packets, aka Bug ID CSCuv60724.\"},{\"lang\":\"es\",\"value\":\"Vulnerabilidad en la implementaci\u00f3n Unicast Reverse Path Forwarding (uRPF) en Cisco Adaptive Security Appliance (ASA) Software 9.3(1.50), 9.3(2.100), 9.3(3) y 9.4(1), no maneja correctamente casos en los que una direcci\u00f3n IP pertenece a una interfaz interna pero tambi\u00e9n est\u00e1 en la tabla ASA de enrutamiento, lo que permite a atacantes remotos eludir la validaci\u00f3n uRPF a trav\u00e9s de paquetes suplantados, tambi\u00e9n conocida como Bug ID CSCuv60724.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:N/A:N\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3\\\\(1.50\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1E044883-9952-477A-B2AA-3E0BB90C96A0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3\\\\(2.100\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6F4A28B7-87A2-464A-92A8-644E3F7D13D7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3\\\\(3\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"63FECF84-4FFB-443E-8529-A1FA4D1D821C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:adaptive_security_appliance_software:9.4\\\\(1\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B854F299-3798-41E7-9C02-17729B75B01C\"}]}]}],\"references\":[{\"url\":\"http://tools.cisco.com/security/center/viewAlert.x?alertId=40440\",\"source\":\"psirt@cisco.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://www.securitytracker.com/id/1033265\",\"source\":\"psirt@cisco.com\"},{\"url\":\"http://tools.cisco.com/security/center/viewAlert.x?alertId=40440\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://www.securitytracker.com/id/1033265\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
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.
Loading…
Loading…