漏洞信息
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Vulnerability Title
epa4all-client: VAU Signature bypass
Vulnerability Description
epa4all-client is the Java Client for epa4all / ePA 3.0 in the Telematik Infrastruktur. Prior to 1.2.1, in SignedPublicKeysTrustValidatorImpl.isTrusted(), the ECDSA signature verification at line 45 discards the boolean return value of Signature.verify(). The method performs certificate chain validation, OCSP check, and signature algorithm setup, but never checks whether the signature actually matches. For any structurally valid signature, it returns true. This vulnerability is fixed in 1.2.1.
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Vulnerability Type
证书验证不恰当
Vulnerability Title
epa4all-client 信任管理问题漏洞
Vulnerability Description
epa4all-client是Oviva AG开源的一个文档写入客户端工具。 epa4all-client 1.2.1之前版本存在信任管理问题漏洞,该漏洞源于SignedPublicKeysTrustValidatorImpl.isTrusted()中ECDSA签名验证丢弃Signature.verify()的布尔返回值,导致任何结构有效的签名均返回true。
CVSS Information
N/A
Vulnerability Type
N/A