The gmp plugin in strongSwan before 5.6.0 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted RSA signature.
Weakness
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Strongswan | Strongswan | * | 5.5.3 (including) |
| Strongswan | Ubuntu | devel | * |
| Strongswan | Ubuntu | esm-infra-legacy/trusty | * |
| Strongswan | Ubuntu | esm-infra/xenial | * |
| Strongswan | Ubuntu | trusty | * |
| Strongswan | Ubuntu | trusty/esm | * |
| Strongswan | Ubuntu | upstream | * |
| Strongswan | Ubuntu | xenial | * |
| Strongswan | Ubuntu | zesty | * |
Potential Mitigations
References
- http://www.debian.org/security/2017/dsa-3962
- http://www.securityfocus.com/bid/100492
- https://www.strongswan.org/blog/2017/08/14/strongswan-vulnerability-%28cve-2017-11185%29.html
- http://www.debian.org/security/2017/dsa-3962
- http://www.securityfocus.com/bid/100492
- https://www.strongswan.org/blog/2017/08/14/strongswan-vulnerability-%28cve-2017-11185%29.html