Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
In verify_emsa_pkcs1_signature() in gmp_rsa_public_key.c in the gmp plugin in strongSwan 4.x and 5.x before 5.7.0, the RSA implementation based on GMP does not reject excess data after the encoded algorithm OID during PKCS#1 v1.5 signature verification. Similar to the flaw in the same version of strongSwan regarding digestAlgorithm.parameters, a remote attacker can forge signatures when small public exponents are being used, which could lead to impersonation when only an RSA signature is used for IKEv2 authentication.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
strongSwan gmp插件安全漏洞
Vulnerability Description
strongSwan是瑞士软件开发者Andreas Steffen所维护的一套Linux平台使用的开源的基于IPsec的VPN解决方案。该方案包含X.509公开密钥证书、安全储存私钥、智能卡等认证机制。gmp plugin是其中的一个插件。 strongSwan 4.x版本和5.7.0之前的5.x版本中的gmp插件的‘verify_emsa_pkcs1_signature()’函数存在安全漏洞。远程攻击者可利用该漏洞伪造签名，绕过身份验证。
CVSS Information
N/A
Vulnerability Type
N/A