Plone CMS 3.x uses invariant data (a client username and a server secret) when calculating an HMAC-SHA1 value for an authentication cookie, which makes it easier for remote attackers to gain permanent access to an account by sniffing the network.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Plone_cms | Plone | * | * |
| Zope-cmfplone | Ubuntu | dapper | * |
| Zope-cmfplone | Ubuntu | edgy | * |
| Zope-cmfplone | Ubuntu | feisty | * |
| Zope-cmfplone | Ubuntu | gutsy | * |
| Zope-cmfplone | Ubuntu | hardy | * |
| Zope-cmfplone | Ubuntu | intrepid | * |