CVE-2017-16852

Severity Score

8.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

shibsp/metadata/DynamicMetadataProvider.cpp en el plugin Dynamic MetadataProvider en Shibboleth Service Provider, en versiones anteriores a la 2.6.1, no se configura correctamente con los plugins MetadataFilter y no realiza las verificaciones de seguridad críticas como la verificación de firmas, cumplimiento de los periodos de validez y otras comprobaciones específicas de despliegues. Esta vulnerabilidad también se conoce como SSPCPP-763.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-11-16 CVE Reserved
2017-11-16 CVE Published
2023-06-12 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-347: Improper Verification of Cryptographic Signature

CAPEC

References (5)

URL	Tag	Source
https://bugs.debian.org/881857	Issue Tracking
https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=b66cceb0e992c351ad5e2c665229ede82f261b16	X_refsource_confirm
https://lists.debian.org/debian-lts-announce/2017/11/msg00025.html	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://shibboleth.net/community/advisories/secadv_20171115.txt	2023-11-07
https://www.debian.org/security/2017/dsa-4038	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Shibboleth Search vendor "Shibboleth"		Service Provider Search vendor "Shibboleth" for product "Service Provider"				< 2.6.1 Search vendor "Shibboleth" for product "Service Provider" and version " < 2.6.1"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected