Ubuntu Security Notice USN-393-2
7th December, 2006
gnupg2 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 6.10
Details
USN-389-1 and USN-393-1 fixed vulnerabilities in gnupg. This update
provides the corresponding updates for gnupg2.
Original advisory details:
A buffer overflow was discovered in GnuPG. By tricking a user into
running gpg interactively on a specially crafted message, an attacker
could execute arbitrary code with the user's privileges. This
vulnerability is not exposed when running gpg in batch mode.
(CVE-2006-6169)
Tavis Ormandy discovered that gnupg was incorrectly using the stack.
If a user were tricked into processing a specially crafted message, an
attacker could execute arbitrary code with the user's privileges.
(CVE-2006-6235)
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 6.10:
- gnupg2 1.9.21-0ubuntu5.2
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the
necessary changes.