CVE-2001-0669

Various Intrusion Detection Systems (IDS) including (1) Cisco Secure Intrusion Detection System, (2) Cisco Catalyst 6000 Intrusion Detection System Module, (3) Dragon Sensor 4.x, (4) Snort before 1.8.1, (5) ISS RealSecure Network Sensor 5.x and 6.x before XPU 3.2, and (6) ISS RealSecure Server Sensor 5.5 and 6.0 for Windows, allow remote attackers to evade detection of HTTP attacks via non-standard "%u" Unicode encoding of ASCII characters in the requested URL.

CVSS v2.0 7.5 HIGH

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://xforce.iss.net/alerts/advise95.php	Patch Vendor Advisory
http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtml	Patch Vendor Advisory
http://www.kb.cert.org/vuls/id/548515	US Government Resource
http://www.securityfocus.com/bid/3292
http://marc.info/?l=bugtraq&m=99972950200602&w=2

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:cisco:secure_intrusion_detection_system::::::::
	cpe:2.3:a:iss:realsecure_network_sensor:5.x:::::::*
	cpe:2.3:a:iss:realsecure_network_sensor:6.x:::::::*
	cpe:2.3:a:iss:realsecure_server_sensor:5.5:::::::*
	cpe:2.3:a:iss:realsecure_server_sensor:6.0:::::::*
	cpe:2.3:a:snort:snort:1.8.1:::::::*
	cpe:2.3:a:cisco:catalyst_6000_intrusion_detection_system_module::::::::

Configuration 2 (hide)

cpe:2.3:h:enterasys:dragon:4.x:*:*:*:*:*:*:*

Information

Published : 2001-10-30 05:00

Updated : 2016-10-18 02:11

NVD link : CVE-2001-0669

Mitre link : CVE-2001-0669

JSON object : View

Products Affected

snort

snort

cisco

secure_intrusion_detection_system
catalyst_6000_intrusion_detection_system_module

enterasys

dragon

iss

realsecure_network_sensor
realsecure_server_sensor

CWE

NVD-CWE-Other

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://xforce.iss.net/alerts/advise95.php", "name": "20010905 Multiple Vendor IDS Unicode Bypass Vulnerability", "tags": ["Patch", "Vendor Advisory"], "refsource": "ISS"}, {"url": "http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtml", "name": "20010905 Cisco Secure Intrusion Detection System Signature Obfuscation Vulnerability", "tags": ["Patch", "Vendor Advisory"], "refsource": "CISCO"}, {"url": "http://www.kb.cert.org/vuls/id/548515", "name": "VU#548515", "tags": ["US Government Resource"], "refsource": "CERT-VN"}, {"url": "http://www.securityfocus.com/bid/3292", "name": "3292", "tags": [], "refsource": "BID"}, {"url": "http://marc.info/?l=bugtraq&m=99972950200602&w=2", "name": "20010905 %u encoding IDS bypass vulnerability", "tags": [], "refsource": "BUGTRAQ"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Various Intrusion Detection Systems (IDS) including (1) Cisco Secure Intrusion Detection System, (2) Cisco Catalyst 6000 Intrusion Detection System Module, (3) Dragon Sensor 4.x, (4) Snort before 1.8.1, (5) ISS RealSecure Network Sensor 5.x and 6.x before XPU 3.2, and (6) ISS RealSecure Server Sensor 5.5 and 6.0 for Windows, allow remote attackers to evade detection of HTTP attacks via non-standard \"%u\" Unicode encoding of ASCII characters in the requested URL."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2001-0669", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "HIGH", "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2001-10-30T05:00Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:cisco:secure_intrusion_detection_system:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:iss:realsecure_network_sensor:5.x:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:iss:realsecure_network_sensor:6.x:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:iss:realsecure_server_sensor:5.5:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:iss:realsecure_server_sensor:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:snort:snort:1.8.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:cisco:catalyst_6000_intrusion_detection_system_module:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:enterasys:dragon:4.x:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2016-10-18T02:11Z"}