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 in the digestAlgorithm.parameters field during PKCS#1 v1.5 signature verification. Consequently, 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. This is a variant of CVE-2006-4790 and CVE-2014-1568.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2018-09-26T21:00:00

Updated: 2024-08-05T10:17:38.160Z

Reserved: 2018-08-29T00:00:00

Link: CVE-2018-16152

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-09-26T21:29:01.197

Modified: 2024-11-21T03:52:10.783

Link: CVE-2018-16152

cve-icon Redhat

Severity : Moderate

Publid Date: 2018-09-24T00:00:00Z

Links: CVE-2018-16152 - Bugzilla