7.5

CVE-2018-16151

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Strongswan ≫ Strongswan Version >= 4.0.0 <= 4.6.4
Strongswan ≫ Strongswan Version >= 5.0.0 < 5.7.0
Debian ≫ Debian Linux Version 8.0
Debian ≫ Debian Linux Version 9.0
Canonical ≫ Ubuntu Linux Version 14.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 16.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 18.04 SwEdition lts
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.89% 0.768
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:P/A:N
CISA-ADP 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE-347 Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00047.html
https://security.gentoo.org/glsa/201811-16
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00077.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00001.html
https://usn.ubuntu.com/3771-1/
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00032.html
Third Party Advisory
Mailing List
https://www.debian.org/security/2018/dsa-4305
Third Party Advisory
https://www.strongswan.org/blog/2018/09/24/strongswan-vulnerability-%28cve-2018-16151%2C-cve-2018-16152%29.html