[yellowdog-updates] Yellow Dog Linux Security Update: YDU-20020127-7


Subject: [yellowdog-updates] Yellow Dog Linux Security Update: YDU-20020127-7
dburcaw@newhope.terraplex.com
Date: Sun Jan 27 2002 - 18:37:30 MST


Yellow Dog Linux Security Announcement
--------------------------------------

Package: sudo
Issue Date: January 27, 2002
Priority: high
Advisory ID: YDU-20020127-7

1. Topic:

        Updated sudo packages fixing a security problem are available.

2. Problem:

        Versions of sudo prior to 1.6.4 would not clear the environment before
        sending an email notification about unauthorized sudo attempts, making it
        possible for an attacker to supply parameters to the mail program. In the
        worst case, this could lead to a local root exploit.

        Users of sudo are advised to upgrade to version 1.6.4 which is not
        vulnerable to this issue.
        (from Red Hat advisory)

3. Solution:

           a) Updating via yup...
           We suggest that you use the Yellow Dog Update Program (yup)
           to keep your system up-to-date. The following command(s) will
           automatically retrieve and install the fixed version of
           this update onto your system:

                   yup update sudo

           b) Updating manually...
           The update can also be retrieved manually from our ftp site
           below along with the rpm command that should be used to install
           the update. (Please use a mirror site)

                   ftp://ftp.yellowdoglinux.com/pub/yellowdog/updates/yellowdog-2.1/ppc/
                rpm -Fvh sudo-1.6.4-0.7x.2a.ppc.rpm

4. Verification

MD5 checksum Package
-------------------------------- ----------------------------
b0294d6c81cb337f9c97ac6b65896a28 ppc/sudo-1.6.4-0.7x.2a.ppc.rpm
20aa45cc12c602313854061f5d410b5a SRPMS/sudo-1.6.4-0.7x.2a.src.rpm

If you wish to verify that each package has not been corrupted or tampered with,
examine the md5sum with the following command: rpm --checksig --nogpg filename

5. Misc.

Terra Soft has setup a moderated mailing list where these security, bugfix, and package
enhancement announcements will be posted. See http://lists.yellowdoglinux.com/ for more
information.

For information regarding the usage of yup, the Yellow Dog Update Program, see
http://http://www.yellowdoglinux.com/support/solutions/ydl_general/yup.shtml



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