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Published: 18 October 2021

The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature. For example, this can be triggered by an unrelated self-signed CA certificate sent by an initiator. Remote code execution cannot occur.



CVSS 3 base score: 7.5


Package Release Status
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri)
Released (5.9.1-1ubuntu3.1)
Ubuntu 21.04 (Hirsute Hippo)
Released (5.9.1-1ubuntu1.2)
Ubuntu 20.04 LTS (Focal Fossa)
Released (5.8.2-1ubuntu3.3)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (5.6.2-1ubuntu2.7)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(code not present)
Ubuntu 14.04 ESM (Trusty Tahr) Not vulnerable
(code not present)