CVE-2017-16852

shibsp/metadata/DynamicMetadataProvider.cpp in the Dynamic MetadataProvider plugin in Shibboleth Service Provider before 2.6.1 fails to properly configure itself with the MetadataFilter plugins and does not perform critical security checks such as signature verification, enforcement of validity periods, and other checks specific to deployments, aka SSPCPP-763.

CVSS v3.0 8.1 HIGH
CVSS v2.0 6.8 MEDIUM

8.1^/10

CVSS v3.0 : HIGH

V3 Legend

Vector : AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://shibboleth.net/community/advisories/secadv_20171115.txt	Issue Tracking Vendor Advisory
https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=b66cceb0e992c351ad5e2c665229ede82f261b16	Issue Tracking Patch Vendor Advisory
https://bugs.debian.org/881857	Issue Tracking Third Party Advisory
https://www.debian.org/security/2017/dsa-4038	Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2017/11/msg00025.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:shibboleth:service_provider:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:8.0:::::::*

Information

Published : 2017-11-16 09:29

Updated : 2018-02-03 18:29

NVD link : CVE-2017-16852

Mitre link : CVE-2017-16852

JSON object : View

CWE

CWE-347

Improper Verification of Cryptographic Signature

Products Affected

shibboleth

service_provider

debian

debian_linux

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://shibboleth.net/community/advisories/secadv_20171115.txt", "name": "https://shibboleth.net/community/advisories/secadv_20171115.txt", "tags": ["Issue Tracking", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=b66cceb0e992c351ad5e2c665229ede82f261b16", "name": "https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=b66cceb0e992c351ad5e2c665229ede82f261b16", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://bugs.debian.org/881857", "name": "https://bugs.debian.org/881857", "tags": ["Issue Tracking", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://www.debian.org/security/2017/dsa-4038", "name": "DSA-4038", "tags": ["Issue Tracking", "Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "https://lists.debian.org/debian-lts-announce/2017/11/msg00025.html", "name": "[debian-lts-announce] 20171118 [SECURITY] [DLA 1179-1] shibboleth-sp2 security update", "tags": [], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "shibsp/metadata/DynamicMetadataProvider.cpp in the Dynamic MetadataProvider plugin in Shibboleth Service Provider before 2.6.1 fails to properly configure itself with the MetadataFilter plugins and does not perform critical security checks such as signature verification, enforcement of validity periods, and other checks specific to deployments, aka SSPCPP-763."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-347"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2017-16852", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}}, "publishedDate": "2017-11-16T17:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:shibboleth:service_provider:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.6.1"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2018-02-04T02:29Z"}

8.1 /10