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/1034408
http://www.securitytracker.com/id/1034409

Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

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

History

No history.

Information

Published : 2015-12-13 03:59

Updated : 2024-02-04 18:53

NVD link : CVE-2015-6418

Mitre link : CVE-2015-6418

CVE.ORG link : CVE-2015-6418

JSON object : View

Products Affected

cisco

rv082_dual_wan_vpn_router_firmware
sa520w
rv042_dual_wan_vpn_router_firmware
rv042g_dual_gigabit_wan_vpn_firmware
sa540
rv016_multi-wan_vpn_firmware
sa520

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

{"id": "CVE-2015-6418", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2015-12-13T03:59:09.477", "references": [{"url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-dwvr", "tags": ["Vendor Advisory"], "source": "ykramarz@cisco.com"}, {"url": "http://www.securityfocus.com/bid/78876", "source": "ykramarz@cisco.com"}, {"url": "http://www.securitytracker.com/id/1034408", "source": "ykramarz@cisco.com"}, {"url": "http://www.securitytracker.com/id/1034409", "source": "ykramarz@cisco.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"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."}, {"lang": "es", "value": "El generador de n\u00famero aleatorio en routers Cisco Small Business RV 4.x y dispositivos de seguridad SA500 2.2.07 no tiene suficiente entrop\u00eda, lo que hace que sea m\u00e1s f\u00e1cil para atacantes remotos determinar un par de claves TLS a trav\u00e9s de computaciones no especificadas sobre datos de intercambio de clave en el apret\u00f3n de manos, tambi\u00e9n conocido como Bug ID CSCus15224."}], "lastModified": "2016-12-07T18:20:12.883", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:cisco:sa520:2.2.07:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5242A08F-0736-4FAC-B015-46BBF1115B08"}, {"criteria": "cpe:2.3:o:cisco:sa520w:2.2.07:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F6B17623-8183-4C2C-A1BD-1654200D6AC3"}, {"criteria": "cpe:2.3:o:cisco:sa540:2.2.07:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C7D2641C-CCFF-411A-96B4-F8823F4B4BA5"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.0.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8C8A650F-4509-4632-92D3-72C412A49012"}, {"criteria": "cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.2.8:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FC822B95-469E-4DB8-A1C0-B4AAA3D3644F"}, {"criteria": "cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "487B2A80-30AD-45F8-A46D-21E04888F3EA"}, {"criteria": "cpe:2.3:a:cisco:rv042_dual_wan_vpn_router_firmware:4.0.2.8:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "00D012E7-A12E-44ED-8173-C8B254902886"}, {"criteria": "cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.0.0.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "303C48D9-1069-486B-8933-F51DFC82EDAC"}, {"criteria": "cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.2.2.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F5F4636E-25F8-40E3-909F-CB9B93E290E5"}, {"criteria": "cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.2.2.8:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FDB96FF7-13B9-482F-85E7-C1C68287CF41"}, {"criteria": "cpe:2.3:a:cisco:rv082_dual_wan_vpn_router_firmware:4.0.0.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CF1CDD04-A345-4982-A055-BBC990873C4D"}, {"criteria": "cpe:2.3:a:cisco:rv082_dual_wan_vpn_router_firmware:4.0.2.8:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1C92A1CD-5AE8-421E-A813-A2738219B673"}], "operator": "OR"}]}], "sourceIdentifier": "ykramarz@cisco.com"}