USN-6488-2

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Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-6488-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6488-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6488-2
Upstream
Related
Published
2023-12-14T21:21:52.379748Z
Modified
2025-10-13T04:36:41Z
Summary
strongswan vulnerability
Details

USN-6488-1 fixed a vulnerability in strongSwan. This update provides the corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

Florian Picca discovered that strongSwan incorrectly handled certain DH public values. A remote attacker could use this issue to cause strongSwan to crash, resulting in a denial of service, or possibly execute arbitrary code.

References

Affected packages

Ubuntu:Pro:16.04:LTS / strongswan

Package

Name
strongswan
Purl
pkg:deb/ubuntu/strongswan@5.3.5-1ubuntu3.8+esm4?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.3.5-1ubuntu3.8+esm4

Affected versions

5.*

5.1.2-0ubuntu6
5.1.2-0ubuntu7
5.1.2-0ubuntu8
5.3.5-1ubuntu1
5.3.5-1ubuntu2
5.3.5-1ubuntu3
5.3.5-1ubuntu3.1
5.3.5-1ubuntu3.2
5.3.5-1ubuntu3.3
5.3.5-1ubuntu3.4
5.3.5-1ubuntu3.5
5.3.5-1ubuntu3.7
5.3.5-1ubuntu3.8
5.3.5-1ubuntu3.8+esm1
5.3.5-1ubuntu3.8+esm2
5.3.5-1ubuntu3.8+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "charon-cmd"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "libcharon-extra-plugins"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "libstrongswan"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "libstrongswan-extra-plugins"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "libstrongswan-standard-plugins"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-charon"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-ike"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-ikev1"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-ikev2"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-libcharon"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-nm"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-af-alg"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-agent"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-attr-sql"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-certexpire"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-coupling"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-curl"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-dhcp"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-dnscert"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-dnskey"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-duplicheck"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-aka"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-aka-3gpp2"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-dynamic"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-gtc"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-md5"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-mschapv2"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-peap"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-radius"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-sim"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-sim-file"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-sim-pcsc"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-simaka-pseudonym"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-simaka-reauth"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-simaka-sql"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-tls"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-tnc"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-eap-ttls"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-error-notify"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-farp"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-fips-prf"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-gcrypt"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-gmp"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-ipseckey"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-kernel-libipsec"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-ldap"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-led"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-load-tester"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-lookip"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-mysql"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-ntru"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-openssl"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-pgp"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-pkcs11"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-pubkey"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-radattr"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-soup"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-sql"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-sqlite"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-sshkey"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-systime-fix"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-unbound"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-unity"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-whitelist"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-xauth-eap"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-xauth-generic"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-xauth-noauth"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-plugin-xauth-pam"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-starter"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-tnc-base"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-tnc-client"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-tnc-ifmap"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-tnc-pdp"
        },
        {
            "binary_version": "5.3.5-1ubuntu3.8+esm4",
            "binary_name": "strongswan-tnc-server"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-41913",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:Pro:18.04:LTS / strongswan

Package

Name
strongswan
Purl
pkg:deb/ubuntu/strongswan@5.6.2-1ubuntu2.9+esm1?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.6.2-1ubuntu2.9+esm1

Affected versions

5.*

5.5.1-4ubuntu2
5.5.1-4ubuntu3
5.6.1-2ubuntu1
5.6.1-2ubuntu2
5.6.1-2ubuntu3
5.6.1-2ubuntu4
5.6.2-1ubuntu2
5.6.2-1ubuntu2.2
5.6.2-1ubuntu2.3
5.6.2-1ubuntu2.4
5.6.2-1ubuntu2.5
5.6.2-1ubuntu2.6
5.6.2-1ubuntu2.7
5.6.2-1ubuntu2.8
5.6.2-1ubuntu2.9

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "charon-cmd"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "charon-systemd"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "libcharon-extra-plugins"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "libcharon-standard-plugins"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "libstrongswan"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "libstrongswan-extra-plugins"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "libstrongswan-standard-plugins"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "strongswan"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "strongswan-charon"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "strongswan-libcharon"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "strongswan-nm"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "strongswan-pki"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "strongswan-scepclient"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "strongswan-starter"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "strongswan-swanctl"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "strongswan-tnc-base"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "strongswan-tnc-client"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "strongswan-tnc-ifmap"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "strongswan-tnc-pdp"
        },
        {
            "binary_version": "5.6.2-1ubuntu2.9+esm1",
            "binary_name": "strongswan-tnc-server"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-41913",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}