CVE-2018-2492

SAML 2.0 functionality in SAP NetWeaver AS Java, does not sufficiently validate XML documents received from an untrusted source. This is fixed in versions 7.2, 7.30, 7.31, 7.40 and 7.50.

CVSS v3.0 7.1 HIGH
CVSS v2.0 5.5 MEDIUM

7.1^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact HIGH

Scope UNCHANGED

5.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=508559699	Vendor Advisory
https://launchpad.support.sap.com/#/notes/2642680	Permissions Required
http://www.securityfocus.com/bid/106153	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:sap:netweaver_application_server_java:7.20:::::::*
	cpe:2.3:a:sap:netweaver_application_server_java:7.30:::::::*
	cpe:2.3:a:sap:netweaver_application_server_java:7.31:::::::*
	cpe:2.3:a:sap:netweaver_application_server_java:7.40:::::::*
	cpe:2.3:a:sap:netweaver_application_server_java:7.50:::::::*

Information

Published : 2018-12-11 22:29

Updated : 2021-04-20 19:21

NVD link : CVE-2018-2492

Mitre link : CVE-2018-2492

JSON object : View

Products Affected

sap

netweaver_application_server_java

CWE

CWE-611

Improper Restriction of XML External Entity Reference

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=508559699", "name": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=508559699", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://launchpad.support.sap.com/#/notes/2642680", "name": "https://launchpad.support.sap.com/#/notes/2642680", "tags": ["Permissions Required"], "refsource": "MISC"}, {"url": "http://www.securityfocus.com/bid/106153", "name": "106153", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "SAML 2.0 functionality in SAP NetWeaver AS Java, does not sufficiently validate XML documents received from an untrusted source. This is fixed in versions 7.2, 7.30, 7.31, 7.40 and 7.50."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-611"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2018-2492", "ASSIGNER": "cna@sap.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 4.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 4.2, "exploitabilityScore": 2.8}}, "publishedDate": "2018-12-11T22:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:sap:netweaver_application_server_java:7.20:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:sap:netweaver_application_server_java:7.30:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:sap:netweaver_application_server_java:7.31:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:sap:netweaver_application_server_java:7.40:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:sap:netweaver_application_server_java:7.50:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-04-20T19:21Z"}