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Debian: DSA-1629-1 Critical: Postfix Local Privilege Escalation Issue

debian
Calendar Grey August 18, 2008
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Debian Security Advisory warns of privilege escalation in Postfix due to user-writable mail directories. Upgrade recommended.
Sebastian Krahmer discovered that Postfix, a mail transfer agent, incorrectly checks the ownership of a mailbox

Summary


For a detailed treating of this issue, please refer to the upstream
author's announcement:

For the stable distribution (etch), this problem has been fixed in
version 2.3.8-2etch1.

For the testing distribution (lenny), this problem has been fixed in
version 2.5.2-2lenny1.

For the unstable distribution (sid), this problem has been fixed
in version 2.5.4-1.

We recommend that you upgrade your postfix package.

Upgrade instructions
- --------------------wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
will update the internal database
apt-get upgrade
will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 4.0 alias etch

Size/MD5 checksum: 2787761 a6c560657788fc7a5444fa9ea32f5513
Size/MD5 checksum:...

Read the Full Advisory

Severity
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