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...

References

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