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Alpine Linux: CVE-2018-16151: strongswan Multiple vulnerabilities

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Alpine Linux: CVE-2018-16151: strongswan Multiple vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
09/26/2018
Created
03/19/2019
Added
10/05/2018
Modified
06/17/2022

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.

Solution(s)

  • alpine-linux-upgrade-strongswan

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