[slackware-security] REVISED quotacheck security fix in rc.M (SSA:2003-141-06a)

From: Slackware Security Team (security_at_slackware.com)
Date: 05/22/03

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To: slackware-security@slackware.com

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    [slackware-security] REVISED quotacheck security fix in rc.M (SSA:2003-141-06a)

    NOTE: The original advisory quotes a section of the Slackware ChangeLog
    which had inadvertently reversed the options to quotacheck. The correct
    option to use is 'm'. A corrected advisory follows:

    An upgraded sysvinit package is available which fixes a problem with
    the use of quotacheck in /etc/rc.d/rc.M. The original version of
    rc.M calls quotacheck like this:

        echo "Checking filesystem quotas: /sbin/quotacheck -avugM"
        /sbin/quotacheck -avugM

    The 'M' option is wrong. This causes the filesystem to be remounted,
    and in the process any mount flags such as nosuid, nodev, noexec,
    and the like, will be reset. The correct option to use here is 'm',
    which does not attempt to remount the partition:

        echo "Checking filesystem quotas: /sbin/quotacheck -avugm"
        /sbin/quotacheck -avugm

    We recommend sites using file system quotas upgrade to this new package,
    or edit /etc/rc.d/rc.M accordingly.

    Here are the details from the Slackware 9.0 ChangeLog:
    +--------------------------+
    Tue May 20 20:13:09 PDT 2003
    patches/packages/sysvinit-2.84-i386-26.tgz: Use option m, not M, for quotacheck.
      Otherwise, the partition might be remounted losing flags like nosuid,nodev,
      noexec. Thanks to Jem Berkes for pointing this out.
      (* Security fix *)
    +--------------------------+

    WHERE TO FIND THE NEW PACKAGES:
    +-----------------------------+

    Updated package for Slackware 9.0:
    ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/sysvinit-2.84-i386-26.tgz

    MD5 SIGNATURES:
    +-------------+

    Slackware 9.0 package:
    966281dbd4e8cac23264021b9ad48f61 sysvinit-2.84-i386-26.tgz

    INSTALLATION INSTRUCTIONS:
    +------------------------+

    Upgrade using upgradepkg (as root):

    upgradepkg sysvinit-2.84-i386-26.tgz

    Then, you'll need to move the new version of rc.M into place, as rc.M
    is considered a config file and upgradepkg will not overwrite these by
    default:

    mv /etc/rc.d/rc.M.new /etc/rc.d/rc.M

    +-----+

    Slackware Linux Security Team
    http://slackware.com/gpg-key
    security@slackware.com

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