CVE-2023-4966

Sensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA ?virtual?server.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html	Third Party Advisory VDB Entry
https://support.citrix.com/article/CTX579459	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::fips:::*
	cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::ndcpp:::*
	cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::-:::*
	cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::fips:::*
	cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::-:::*
	cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::-:::*
	cpe:2.3:a:citrix:netscaler_gateway::::::::
	cpe:2.3:a:citrix:netscaler_gateway::::::::
	cpe:2.3:a:citrix:netscaler_gateway::::::::

History

No history.

Information

Published : 2023-10-10 14:15

Updated : 2024-06-17 13:32

NVD link : CVE-2023-4966

Mitre link : CVE-2023-4966

CVE.ORG link : CVE-2023-4966

JSON object : View

Products Affected

citrix

netscaler_application_delivery_controller
netscaler_gateway

CWE

NVD-CWE-noinfo CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

{"id": "CVE-2023-4966", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "secure@citrix.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.4, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.5, "exploitabilityScore": 3.9}]}, "published": "2023-10-10T14:15:10.977", "references": [{"url": "http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secure@citrix.com"}, {"url": "https://support.citrix.com/article/CTX579459", "tags": ["Vendor Advisory"], "source": "secure@citrix.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "secure@citrix.com", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "Sensitive information disclosure\u00a0in NetScaler ADC and NetScaler Gateway when configured as a\u00a0Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy)\u00a0or\u00a0AAA ?virtual?server.\u00a0\n\n\n\n"}, {"lang": "es", "value": "Divulgaci\u00f3n de informaci\u00f3n confidencial en NetScaler ADC y NetScaler Gateway cuando se configura como Gateway (servidor virtual VPN, ICA Proxy, CVPN, RDP Proxy) o servidor \"virtual\" AAA."}], "lastModified": "2024-06-17T13:32:11.253", "cisaActionDue": "2023-11-08", "cisaExploitAdd": "2023-10-18", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*", "vulnerable": true, "matchCriteriaId": "492BEB4B-7A4B-47C2-93D1-2B0683AA3A20", "versionEndExcluding": "12.1-55.300", "versionStartIncluding": "12.1"}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*", "vulnerable": true, "matchCriteriaId": "81EF12C2-4197-4C0D-BE11-556F05DAD646", "versionEndExcluding": "12.1-55.300", "versionStartIncluding": "12.1"}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "9EEC53B2-686A-4C6F-98DE-5D6AE804B0A8", "versionEndExcluding": "13.0-92.19", "versionStartIncluding": "13.0"}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*", "vulnerable": true, "matchCriteriaId": "109301A8-9ADD-4A49-9C45-D21A4DA840E9", "versionEndExcluding": "13.1-37.164", "versionStartIncluding": "13.1"}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "5C1739C5-48C1-46BC-A524-B4CC4C5B6436", "versionEndExcluding": "13.1-49.15", "versionStartIncluding": "13.1"}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "9148C36D-98B4-4166-8B9A-449EA86BA4B1", "versionEndExcluding": "14.1-8.50", "versionStartIncluding": "14.1"}, {"criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5FB1412D-F8D8-4592-A8A9-C1B841B93D5E", "versionEndExcluding": "13.0-92.19", "versionStartIncluding": "13.0"}, {"criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "28A08B32-D145-499F-866E-BEEEDEBB2901", "versionEndExcluding": "13.1-49.15", "versionStartIncluding": "13.1"}, {"criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4F1610E6-FE48-4339-8E74-765E0517E33D", "versionEndExcluding": "14.1-8.50", "versionStartIncluding": "14.1"}], "operator": "OR"}]}], "sourceIdentifier": "secure@citrix.com", "cisaRequiredAction": "Apply mitigations and kill all active and persistent sessions per vendor instructions [https://www.netscaler.com/blog/news/cve-2023-4966-critical-security-update-now-available-for-netscaler-adc-and-netscaler-gateway/] OR discontinue use of the product if mitigations are unavailable.", "cisaVulnerabilityName": "Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability"}