CVE-2015-6418

The random-number generator on Cisco Small Business RV routers 4.x and SA500 security appliances 2.2.07 does not have sufficient entropy, which makes it easier for remote attackers to determine a TLS key pair via unspecified computations upon handshake key-exchange data, aka Bug ID CSCus15224.

CVSS v2.0 4.3 MEDIUM

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:N/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-dwvr	Vendor Advisory
http://www.securityfocus.com/bid/78876
http://www.securitytracker.com/id/1034409
http://www.securitytracker.com/id/1034408

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:cisco:sa520:2.2.07:::::::*
	cpe:2.3:o:cisco:sa540:2.2.07:::::::*
	cpe:2.3:o:cisco:sa520w:2.2.07:::::::*

Configuration 2 (hide)

OR	cpe:2.3:a:cisco:rv082_dual_wan_vpn_router_firmware:4.0.0.7:::::::*
	cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.0.0.7:::::::*
	cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.0.7:::::::*
	cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.2.8:::::::*
	cpe:2.3:a:cisco:rv042_dual_wan_vpn_router_firmware:4.0.2.8:::::::*
	cpe:2.3:a:cisco:rv082_dual_wan_vpn_router_firmware:4.0.2.8:::::::*
	cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.5.0:::::::*
	cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.2.2.7:::::::*
	cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.2.2.8:::::::*

Information

Published : 2015-12-12 19:59

Updated : 2016-12-07 10:20

NVD link : CVE-2015-6418

Mitre link : CVE-2015-6418

JSON object : View

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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Products Affected

cisco

rv082_dual_wan_vpn_router_firmware
rv042_dual_wan_vpn_router_firmware
sa520
rv016_multi-wan_vpn_firmware
sa540
rv042g_dual_gigabit_wan_vpn_firmware
sa520w

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-dwvr", "name": "20151210 Cisco Small Business RV Series and SA500 Series Dual WAN VPN Router Generated Key Pair Information Disclosure Vulnerability", "tags": ["Vendor Advisory"], "refsource": "CISCO"}, {"url": "http://www.securityfocus.com/bid/78876", "name": "78876", "tags": [], "refsource": "BID"}, {"url": "http://www.securitytracker.com/id/1034409", "name": "1034409", "tags": [], "refsource": "SECTRACK"}, {"url": "http://www.securitytracker.com/id/1034408", "name": "1034408", "tags": [], "refsource": "SECTRACK"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The random-number generator on Cisco Small Business RV routers 4.x and SA500 security appliances 2.2.07 does not have sufficient entropy, which makes it easier for remote attackers to determine a TLS key pair via unspecified computations upon handshake key-exchange data, aka Bug ID CSCus15224."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-200"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2015-6418", "ASSIGNER": "psirt@cisco.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2015-12-13T03:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:cisco:sa520:2.2.07:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:cisco:sa540:2.2.07:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:cisco:sa520w:2.2.07:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:cisco:rv082_dual_wan_vpn_router_firmware:4.0.0.7:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.0.0.7:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.0.7:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.2.8:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:cisco:rv042_dual_wan_vpn_router_firmware:4.0.2.8:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:cisco:rv082_dual_wan_vpn_router_firmware:4.0.2.8:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.5.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.2.2.7:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.2.2.8:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2016-12-07T18:20Z"}