The ASN.1 parser in strongSwan before 5.5.3 improperly handles CHOICE types when the x509 plugin is enabled, which allows remote attackers to cause a denial of service (infinite loop) via a crafted certificate.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade strongswan | Aug 30, 2017 | Jun 8, 2017 |
| Debian | — | Upgrade strongswan | May 31, 2017 | May 30, 2017 |
| Freebsd | — | Upgrade strongswan | Jul 19, 2017 | Jul 19, 2017 |
| Huawei Euleros 2_0_sp2 | — | Upgrade strongimcv | Dec 4, 2019 | Jun 8, 2017 |
| Huawei Euleros 2_0_sp3 | — | Upgrade strongimcv | Dec 18, 2019 | Jun 8, 2017 |
| Huawei Euleros 2_0_sp5 | — | Upgrade strongimcv | Dec 27, 2019 | Jun 8, 2017 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 30, 2017 |
| Suse | — | Upgrade strongswan-nmUpgrade strongswanUpgrade strongswan-libs0Upgrade strongswan-ipsecUpgrade strongswan-docUpgrade strongswan-hmac | Jun 1, 2017 | May 30, 2017 |
| Ubuntu | — | Upgrade strongswanUpgrade strongswan-plugin-gmpUpgrade libstrongswan | May 30, 2017 | May 30, 2017 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jun 8, 2017 |
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