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{"bugzilla": {"description": "strongswan: authentication bypass in verify_emsa_pkcs1_signature() in gmp_rsa_public_key.c", "id": "1635873", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1635873"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.6", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-287", "details": ["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."], "name": "CVE-2018-16151", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "strongimcv", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2018-09-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-16151\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-16151"], "threat_severity": "Moderate"}