nspluginwrapper before 1.4.4 does not properly provide access to NPNVprivateModeBool variable settings, which could prevent Firefox plugins from determining if they should run in Private Browsing mode and allow remote attackers to bypass intended access restrictions, as demonstrated using Flash.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Nspluginwrapper | Nspluginwrapper | 1.4.2 (including) | 1.4.2 (including) |
| Red Hat Enterprise Linux 6 | RedHat | nspluginwrapper-0:1.4.4-1.el6_3 | * |
| Nspluginwrapper | Ubuntu | hardy | * |
| Nspluginwrapper | Ubuntu | lucid | * |
| Nspluginwrapper | Ubuntu | maverick | * |
| Nspluginwrapper | Ubuntu | natty | * |
References
- http://lwn.net/Alerts/524725/
- http://rhn.redhat.com/errata/RHSA-2012-1459.html
- http://www.securitytracker.com/id?1027757
- https://bugzilla.novell.com/show_bug.cgi?id=702034
- https://bugzilla.redhat.com/show_bug.cgi?id=715384
- https://github.com/davidben/nspluginwrapper/commit/7e4ab8e1189846041f955e6c83f72bc1624e7a98
- http://lwn.net/Alerts/524725/
- http://rhn.redhat.com/errata/RHSA-2012-1459.html
- http://www.securitytracker.com/id?1027757
- https://bugzilla.novell.com/show_bug.cgi?id=702034
- https://bugzilla.redhat.com/show_bug.cgi?id=715384
- https://github.com/davidben/nspluginwrapper/commit/7e4ab8e1189846041f955e6c83f72bc1624e7a98