Details
Dan Rosenberg discovered that the email helper in Emacs did not correctly
check file permissions. A local attacker could perform a symlink race
to read or append to another user's mailbox if it was stored under a
group-writable group-"mail" directory.
Dan Rosenberg discovered that the email helper in Emacs did not correctly
check file permissions. A local attacker could perform a symlink race
to read or append to another user's mailbox if it was stored under a
group-writable group-"mail" directory.
Update instructions
In general, a standard system upgrade is sufficient to effect the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 9.10 karmic | emacs23-bin-common – 23.1+1-4ubuntu3.2 | ||
| emacs22-bin-common – 22.2-0ubuntu6.2 | |||
| 9.04 jaunty | emacs22-bin-common – 22.2-0ubuntu2.9.04.1 | ||
| 8.10 intrepid | emacs22-bin-common – 22.2-0ubuntu2.8.10.1 | ||
| 8.04 hardy | emacs22-bin-common – 22.1-0ubuntu10.2 | ||
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.