strongSwan 4.3.5 through 5.0.3, when using the OpenSSL plugin for ECDSA signature verification, allows remote attackers to authenticate as other users via an invalid signature.
Weakness
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Strongswan | Strongswan | 4.3.5 (including) | 4.3.5 (including) |
| Strongswan | Strongswan | 4.3.6 (including) | 4.3.6 (including) |
| Strongswan | Strongswan | 4.3.7 (including) | 4.3.7 (including) |
| Strongswan | Strongswan | 4.4.0 (including) | 4.4.0 (including) |
| Strongswan | Strongswan | 4.4.1 (including) | 4.4.1 (including) |
| Strongswan | Strongswan | 4.5.0 (including) | 4.5.0 (including) |
| Strongswan | Strongswan | 4.5.1 (including) | 4.5.1 (including) |
| Strongswan | Strongswan | 4.5.2 (including) | 4.5.2 (including) |
| Strongswan | Strongswan | 4.5.3 (including) | 4.5.3 (including) |
| Strongswan | Strongswan | 4.6.0 (including) | 4.6.0 (including) |
| Strongswan | Strongswan | 4.6.1 (including) | 4.6.1 (including) |
| Strongswan | Strongswan | 4.6.2 (including) | 4.6.2 (including) |
| Strongswan | Strongswan | 4.6.3 (including) | 4.6.3 (including) |
| Strongswan | Strongswan | 4.6.4 (including) | 4.6.4 (including) |
| Strongswan | Strongswan | 5.0.0 (including) | 5.0.0 (including) |
| Strongswan | Strongswan | 5.0.1 (including) | 5.0.1 (including) |
| Strongswan | Strongswan | 5.0.2 (including) | 5.0.2 (including) |
| Strongswan | Ubuntu | hardy | * |
| Strongswan | Ubuntu | lucid | * |
| Strongswan | Ubuntu | oneiric | * |
| Strongswan | Ubuntu | precise | * |
| Strongswan | Ubuntu | quantal | * |
| Strongswan | Ubuntu | raring | * |
| Strongswan | Ubuntu | upstream | * |
Potential Mitigations
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/114.html
- https://cwe.mitre.org/data/definitions/115.html
- https://cwe.mitre.org/data/definitions/151.html
- https://cwe.mitre.org/data/definitions/194.html
- https://cwe.mitre.org/data/definitions/22.html
- https://cwe.mitre.org/data/definitions/57.html
- https://cwe.mitre.org/data/definitions/593.html
- https://cwe.mitre.org/data/definitions/633.html
- https://cwe.mitre.org/data/definitions/650.html
- https://cwe.mitre.org/data/definitions/94.html
References
- http://download.strongswan.org/patches/10_openssl_ecdsa_signature_patch/strongswan-4.3.5-5.0.3_openssl_ecdsa_signature.patch
- http://lists.opensuse.org/opensuse-updates/2013-05/msg00014.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00010.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00121.html
- http://www.debian.org/security/2013/dsa-2665
- http://www.securityfocus.com/bid/59580
- http://www.strongswan.org/blog/2013/04/30/strongswan-5.0.4-released-%28cve-2013-2944%29.html
- http://download.strongswan.org/patches/10_openssl_ecdsa_signature_patch/strongswan-4.3.5-5.0.3_openssl_ecdsa_signature.patch
- http://lists.opensuse.org/opensuse-updates/2013-05/msg00014.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00010.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00121.html
- http://www.debian.org/security/2013/dsa-2665
- http://www.securityfocus.com/bid/59580
- http://www.strongswan.org/blog/2013/04/30/strongswan-5.0.4-released-%28cve-2013-2944%29.html