CVE Vulnerabilities

CVE-2021-3196

Improper Verification of Cryptographic Signature

Published: Jun 09, 2021 | Modified: Jun 24, 2021
CVSS 3.x
8.8
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
6.5 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu

An issue was discovered in Hitachi ID Bravura Security Fabric 11.0.0 through 11.1.3, 12.0.0 through 12.0.2, and 12.1.0. When using federated identity management (authenticating via SAML through a third-party identity provider), an attacker can inject additional data into a signed SAML response being transmitted to the service provider (ID Bravura Security Fabric). The application successfully validates the signed values but uses the unsigned malicious values. An attacker with lower-privilege access to the application can inject the username of a high-privilege user to impersonate that user.

Weakness

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

Affected Software

Name Vendor Start Version End Version
Id_bravura_security_fabric Hitachi 11.0.0 (including) 11.1.3 (including)
Id_bravura_security_fabric Hitachi 12.0.0 (including) 12.0.2 (including)
Id_bravura_security_fabric Hitachi 12.1.0 (including) 12.1.0 (including)

References