Vulnerability-Lookup

ubuntu-cve-2023-41913

Vulnerability from osv_ubuntu

Published

2023-11-20 13:00

Modified

2025-12-23 05:06

Summary

Details

strongSwan before 5.9.12 has a buffer overflow and possible unauthenticated remote code execution via a DH public value that exceeds the internal buffer in charon-tkm's DH proxy. The earliest affected version is 5.3.0. An attack can occur via a crafted IKE_SA_INIT message.

Severity

9.8 (Critical)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.8 (Critical)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2023-41913	REPORT
	https://www.strongswan.org/blog/2023/11/20/strong…	REPORT
	https://ubuntu.com/security/notices/USN-6488-1	ADVISORY
	https://ubuntu.com/security/notices/USN-6488-2	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2023-41913	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "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",
            "binary_version": "5.3.5-1ubuntu3.8+esm4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "strongswan",
        "purl": "pkg:deb/ubuntu/strongswan@5.3.5-1ubuntu3.8+esm4?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.3.5-1ubuntu3.8+esm4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "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": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "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",
            "binary_version": "5.6.2-1ubuntu2.9+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "strongswan",
        "purl": "pkg:deb/ubuntu/strongswan@5.6.2-1ubuntu2.9+esm1?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.6.2-1ubuntu2.9+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "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": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "charon-cmd",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "charon-systemd",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "libcharon-extauth-plugins",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "libcharon-extra-plugins",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "libcharon-standard-plugins",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "libstrongswan",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "libstrongswan-extra-plugins",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "libstrongswan-standard-plugins",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-charon",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-libcharon",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-nm",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-pki",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-scepclient",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-starter",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-swanctl",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-tnc-base",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-tnc-client",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-tnc-ifmap",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-tnc-pdp",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-tnc-server",
            "binary_version": "5.8.2-1ubuntu3.6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "strongswan",
        "purl": "pkg:deb/ubuntu/strongswan@5.8.2-1ubuntu3.6?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.8.2-1ubuntu3.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.7.2-1ubuntu3",
        "5.8.1-1ubuntu1",
        "5.8.2-1ubuntu1",
        "5.8.2-1ubuntu2",
        "5.8.2-1ubuntu3",
        "5.8.2-1ubuntu3.1",
        "5.8.2-1ubuntu3.2",
        "5.8.2-1ubuntu3.3",
        "5.8.2-1ubuntu3.4",
        "5.8.2-1ubuntu3.5"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "charon-cmd",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "charon-systemd",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "libcharon-extauth-plugins",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "libcharon-extra-plugins",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "libstrongswan",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "libstrongswan-extra-plugins",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "libstrongswan-standard-plugins",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "strongswan",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "strongswan-charon",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "strongswan-libcharon",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "strongswan-nm",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "strongswan-pki",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "strongswan-scepclient",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "strongswan-starter",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "strongswan-swanctl",
            "binary_version": "5.9.5-2ubuntu2.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "strongswan",
        "purl": "pkg:deb/ubuntu/strongswan@5.9.5-2ubuntu2.2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.9.5-2ubuntu2.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.9.1-1ubuntu3",
        "5.9.1-1ubuntu3.1",
        "5.9.4-1ubuntu1",
        "5.9.4-1ubuntu2",
        "5.9.4-1ubuntu3",
        "5.9.4-1ubuntu4",
        "5.9.5-2ubuntu1",
        "5.9.5-2ubuntu2",
        "5.9.5-2ubuntu2.1"
      ]
    }
  ],
  "aliases": [],
  "details": "strongSwan before 5.9.12 has a buffer overflow and possible unauthenticated remote code execution via a DH public value that exceeds the internal buffer in charon-tkm\u0027s DH proxy. The earliest affected version is 5.3.0. An attack can occur via a crafted IKE_SA_INIT message.",
  "id": "UBUNTU-CVE-2023-41913",
  "modified": "2025-12-23T05:06:36Z",
  "published": "2023-11-20T13:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-41913"
    },
    {
      "type": "REPORT",
      "url": "https://www.strongswan.org/blog/2023/11/20/strongswan-vulnerability-(cve-2023-41913).html"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6488-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6488-2"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-41913"
    }
  ],
  "related": [
    "USN-6488-1",
    "USN-6488-2"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-41913"
  ]
}

CVE-2023-41913 (GCVE-0-2023-41913)

Vulnerability from cvelistv5 – Published: 2023-12-07 00:00 – Updated: 2025-12-18 15:29

Summary

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

mitre

References

6 references

URL	Tags
https://github.com/strongswan/strongswan/releases
https://www.strongswan.org/blog/2023/11/20/strong…
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://security.netapp.com/advisory/ntap-2025011…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.debian.org/debian-lts-announce/2023…

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T19:21:10.660Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/strongswan/strongswan/releases"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.strongswan.org/blog/2023/11/20/strongswan-vulnerability-%28cve-2023-41913%29.html"
          },
          {
            "name": "FEDORA-2024-6712c699fc",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPJZPYHBCRXUQGGKQE6TYH4J4RIJH6HO/"
          },
          {
            "url": "https://security.netapp.com/advisory/ntap-20250117-0003/"
          },
          {
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YPJZPYHBCRXUQGGKQE6TYH4J4RIJH6HO/"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2023/11/msg00018.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-41913",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-18T15:29:39.355248Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-120",
                "description": "CWE-120 Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-18T15:29:57.805Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "strongSwan before 5.9.12 has a buffer overflow and possible unauthenticated remote code execution via a DH public value that exceeds the internal buffer in charon-tkm\u0027s DH proxy. The earliest affected version is 5.3.0. An attack can occur via a crafted IKE_SA_INIT message."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-06-11T03:06:10.932Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/strongswan/strongswan/releases"
        },
        {
          "url": "https://www.strongswan.org/blog/2023/11/20/strongswan-vulnerability-%28cve-2023-41913%29.html"
        },
        {
          "name": "FEDORA-2024-6712c699fc",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPJZPYHBCRXUQGGKQE6TYH4J4RIJH6HO/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2023-41913",
    "datePublished": "2023-12-07T00:00:00.000Z",
    "dateReserved": "2023-09-05T00:00:00.000Z",
    "dateUpdated": "2025-12-18T15:29:57.805Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

usn-6488-1

Vulnerability from osv_ubuntu

Published

2023-11-20 15:46

Modified

2026-02-10 04:43

Summary

strongswan vulnerability

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

URL

Type

	https://ubuntu.com/security/notices/USN-6488-1	ADVISORY
	https://ubuntu.com/security/CVE-2023-41913	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-41913",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "charon-cmd",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "charon-systemd",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "libcharon-extauth-plugins",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "libcharon-extra-plugins",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "libcharon-standard-plugins",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "libstrongswan",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "libstrongswan-extra-plugins",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "libstrongswan-standard-plugins",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-charon",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-libcharon",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-nm",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-pki",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-scepclient",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-starter",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-swanctl",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-tnc-base",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-tnc-client",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-tnc-ifmap",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-tnc-pdp",
            "binary_version": "5.8.2-1ubuntu3.6"
          },
          {
            "binary_name": "strongswan-tnc-server",
            "binary_version": "5.8.2-1ubuntu3.6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "strongswan",
        "purl": "pkg:deb/ubuntu/strongswan@5.8.2-1ubuntu3.6?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.8.2-1ubuntu3.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.7.2-1ubuntu3",
        "5.8.1-1ubuntu1",
        "5.8.2-1ubuntu1",
        "5.8.2-1ubuntu2",
        "5.8.2-1ubuntu3",
        "5.8.2-1ubuntu3.1",
        "5.8.2-1ubuntu3.2",
        "5.8.2-1ubuntu3.3",
        "5.8.2-1ubuntu3.4",
        "5.8.2-1ubuntu3.5"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-41913",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "charon-cmd",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "charon-systemd",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "libcharon-extauth-plugins",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "libcharon-extra-plugins",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "libstrongswan",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "libstrongswan-extra-plugins",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "libstrongswan-standard-plugins",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "strongswan",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "strongswan-charon",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "strongswan-libcharon",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "strongswan-nm",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "strongswan-pki",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "strongswan-scepclient",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "strongswan-starter",
            "binary_version": "5.9.5-2ubuntu2.2"
          },
          {
            "binary_name": "strongswan-swanctl",
            "binary_version": "5.9.5-2ubuntu2.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "strongswan",
        "purl": "pkg:deb/ubuntu/strongswan@5.9.5-2ubuntu2.2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.9.5-2ubuntu2.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.9.1-1ubuntu3",
        "5.9.1-1ubuntu3.1",
        "5.9.4-1ubuntu1",
        "5.9.4-1ubuntu2",
        "5.9.4-1ubuntu3",
        "5.9.4-1ubuntu4",
        "5.9.5-2ubuntu1",
        "5.9.5-2ubuntu2",
        "5.9.5-2ubuntu2.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Florian Picca discovered that strongSwan incorrectly handled certain DH\npublic values. A remote attacker could use this issue to cause strongSwan\nto crash, resulting in a denial of service, or possibly execute arbitrary\ncode.\n",
  "id": "USN-6488-1",
  "modified": "2026-02-10T04:43:25Z",
  "published": "2023-11-20T15:46:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6488-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-41913"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "strongswan vulnerability",
  "upstream": [
    "UBUNTU-CVE-2023-41913"
  ]
}

usn-6488-2

Vulnerability from osv_ubuntu

Published

2023-12-14 21:21

Modified

2026-06-25 10:46

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:

References

URL

Type

	https://ubuntu.com/security/notices/USN-6488-2	ADVISORY
	https://ubuntu.com/security/CVE-2023-41913	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-41913",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "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"
          },
          {
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            "binary_version": "5.3.5-1ubuntu3.8+esm4"
          },
          {
            "binary_name": "strongswan-plugin-radattr",
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          {
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          {
            "binary_name": "strongswan-plugin-sqlite",
            "binary_version": "5.3.5-1ubuntu3.8+esm4"
          },
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            "binary_name": "strongswan-plugin-sshkey",
            "binary_version": "5.3.5-1ubuntu3.8+esm4"
          },
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            "binary_name": "strongswan-plugin-systime-fix",
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          },
          {
            "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",
            "binary_version": "5.3.5-1ubuntu3.8+esm4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "strongswan",
        "purl": "pkg:deb/ubuntu/strongswan@5.3.5-1ubuntu3.8+esm4?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.3.5-1ubuntu3.8+esm4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "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"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-41913",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "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",
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          },
          {
            "binary_name": "strongswan-tnc-pdp",
            "binary_version": "5.6.2-1ubuntu2.9+esm1"
          },
          {
            "binary_name": "strongswan-tnc-server",
            "binary_version": "5.6.2-1ubuntu2.9+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "strongswan",
        "purl": "pkg:deb/ubuntu/strongswan@5.6.2-1ubuntu2.9+esm1?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.6.2-1ubuntu2.9+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "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"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-6488-1 fixed a vulnerability in strongSwan. This update provides\nthe corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.\n\nOriginal advisory details:\n\n Florian Picca discovered that strongSwan incorrectly handled certain DH\n public values. A remote attacker could use this issue to cause strongSwan\n to crash, resulting in a denial of service, or possibly execute arbitrary\n code.\n",
  "id": "USN-6488-2",
  "modified": "2026-06-25T10:46:17Z",
  "published": "2023-12-14T21:21:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6488-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-41913"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "strongswan vulnerability",
  "upstream": [
    "UBUNTU-CVE-2023-41913"
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

ubuntu-cve-2023-41913

Vulnerability from osv_ubuntu

CVE-2023-41913 (GCVE-0-2023-41913)

usn-6488-1

Vulnerability from osv_ubuntu

usn-6488-2

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature