RedHat: Low: rsh security update

    Date08 Jun 2005
    CategoryRed Hat
    6062
    Posted ByJoe Shakespeare
    Updated rsh packages that fix various bugs and a theoretical security issue are now available. This update has been rated as having low security impact by the Red Hat Security Response Team
    - ---------------------------------------------------------------------
                       Red Hat Security Advisory
    
    Synopsis:          Low: rsh security update
    Advisory ID:       RHSA-2005:165-01
    Advisory URL:      https://rhn.redhat.com/errata/RHSA-2005-165.html
    Issue date:        2005-06-08
    Updated on:        2005-06-08
    Product:           Red Hat Enterprise Linux
    CVE Names:         CAN-2004-0175
    - ---------------------------------------------------------------------
    
    1. Summary:
    
    Updated rsh packages that fix various bugs and a theoretical security issue
    are now available.
    
    This update has been rated as having low security impact by the Red Hat
    Security Response Team
    
    2. Relevant releases/architectures:
    
    Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
    Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
    Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
    Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64
    
    3. Problem description:
    
    The rsh package contains a set of programs that allow users to run
    commands on remote machines, login to other machines, and copy files
    between machines, using the rsh, rlogin, and rcp commands. All three of
    these commands use rhosts-style authentication.
    
    The rcp protocol allows a server to instruct a client to write to arbitrary
    files outside of the current directory. This could potentially cause a
    security issue if a user uses rcp to copy files from a malicious server.
    The Common Vulnerabilities and Exposures project (cve.mitre.org) has
    assigned the name CAN-2004-0175 to this issue.
    
    These updated packages also address the following bugs:
    
    The rlogind server reported "SIGCHLD set to SIG_IGN but calls wait()"
    message to the system log because the original BSD code was ported
    incorrectly to linux.
    
    The rexecd server did not function on systems where client hostnames were
    not in the DNS service, because server code called gethostbyaddr() for each
    new connection.
    
    The rcp command incorrectly used the "errno" variable and produced
    erroneous error messages.
    
    The rexecd command ignored settings in the /etc/security/limits file,
    because the PAM session was incorrectly initialized.
    
    All users of rsh should upgrade to these updated packages, which resolve
    these issues.
    
    4. Solution:
    
    Before applying this update, make sure all previously released errata
    relevant to your system have been applied.
    
    To update all RPMs for your particular architecture, run:
    
    rpm -Fvh [filenames]
    
    where [filenames] is a list of the RPMs you wish to upgrade.  Only those
    RPMs which are currently installed will be updated.  Those RPMs which are
    not installed but included in the list will not be updated.  Note that you
    can also use wildcards (*.rpm) if your current directory *only* contains the
    desired RPMs.
    
    Please note that this update is also available via Red Hat Network.  Many
    people find this an easier way to apply updates.  To use Red Hat Network,
    launch the Red Hat Update Agent with the following command:
    
    up2date
    
    This will start an interactive process that will result in the appropriate
    RPMs being upgraded on your system.
    
    If up2date fails to connect to Red Hat Network due to SSL
    Certificate Errors, you need to install a version of the
    up2date client with an updated certificate.  The latest version of
    up2date is available from the Red Hat FTP site and may also be
    downloaded directly from the RHN website:
    
    https://rhn.redhat.com/help/latest-up2date.pxt
    
    5. Bug IDs fixed (http://bugzilla.redhat.com/):
    
    146978 - RHEL4: rexecd does not set limits on /etc/security/limits
    146979 - RHEL4: rcp gives incorrect error report when file system writes fai
    
    
    6. RPMs required:
    
    Red Hat Enterprise Linux AS version 4:
    
    SRPMS:
    ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/rsh-0.17-25.3.src.rpm
    cd810d79ebe62b9dd73ccfcd9a82ba42  rsh-0.17-25.3.src.rpm
    
    i386:
    e0b1f41ff4027f07e56c6c3a815beac5  rsh-0.17-25.3.i386.rpm
    119de22692c472215c0bd5abd4ad437a  rsh-server-0.17-25.3.i386.rpm
    
    ia64:
    85191a2e9573743b281dd62446bf4dcc  rsh-0.17-25.3.ia64.rpm
    44f1d4d7955056579b16a1f29b93652c  rsh-server-0.17-25.3.ia64.rpm
    
    ppc:
    6f70af890d4f627898554f46e9b642e9  rsh-0.17-25.3.ppc.rpm
    c079a7a6384240c8d9f08e9bdbdd6311  rsh-server-0.17-25.3.ppc.rpm
    
    s390:
    8c6ce8d07095d070a0b8caa7eaecb418  rsh-0.17-25.3.s390.rpm
    df47c3a52b2fb41a9bfc34b603078c21  rsh-server-0.17-25.3.s390.rpm
    
    s390x:
    b409a5341be41047d537d61e49066895  rsh-0.17-25.3.s390x.rpm
    af94e8b18e8e3c2c4f7d116ac0ff27cc  rsh-server-0.17-25.3.s390x.rpm
    
    x86_64:
    fdb219bb4f76ef3add60d5dda6e583d4  rsh-0.17-25.3.x86_64.rpm
    ae5b1069589042712574a22b67a4d888  rsh-server-0.17-25.3.x86_64.rpm
    
    Red Hat Enterprise Linux Desktop version 4:
    
    SRPMS:
    ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/rsh-0.17-25.3.src.rpm
    cd810d79ebe62b9dd73ccfcd9a82ba42  rsh-0.17-25.3.src.rpm
    
    i386:
    e0b1f41ff4027f07e56c6c3a815beac5  rsh-0.17-25.3.i386.rpm
    119de22692c472215c0bd5abd4ad437a  rsh-server-0.17-25.3.i386.rpm
    
    x86_64:
    fdb219bb4f76ef3add60d5dda6e583d4  rsh-0.17-25.3.x86_64.rpm
    ae5b1069589042712574a22b67a4d888  rsh-server-0.17-25.3.x86_64.rpm
    
    Red Hat Enterprise Linux ES version 4:
    
    SRPMS:
    ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/rsh-0.17-25.3.src.rpm
    cd810d79ebe62b9dd73ccfcd9a82ba42  rsh-0.17-25.3.src.rpm
    
    i386:
    e0b1f41ff4027f07e56c6c3a815beac5  rsh-0.17-25.3.i386.rpm
    119de22692c472215c0bd5abd4ad437a  rsh-server-0.17-25.3.i386.rpm
    
    ia64:
    85191a2e9573743b281dd62446bf4dcc  rsh-0.17-25.3.ia64.rpm
    44f1d4d7955056579b16a1f29b93652c  rsh-server-0.17-25.3.ia64.rpm
    
    x86_64:
    fdb219bb4f76ef3add60d5dda6e583d4  rsh-0.17-25.3.x86_64.rpm
    ae5b1069589042712574a22b67a4d888  rsh-server-0.17-25.3.x86_64.rpm
    
    Red Hat Enterprise Linux WS version 4:
    
    SRPMS:
    ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/rsh-0.17-25.3.src.rpm
    cd810d79ebe62b9dd73ccfcd9a82ba42  rsh-0.17-25.3.src.rpm
    
    i386:
    e0b1f41ff4027f07e56c6c3a815beac5  rsh-0.17-25.3.i386.rpm
    119de22692c472215c0bd5abd4ad437a  rsh-server-0.17-25.3.i386.rpm
    
    ia64:
    85191a2e9573743b281dd62446bf4dcc  rsh-0.17-25.3.ia64.rpm
    44f1d4d7955056579b16a1f29b93652c  rsh-server-0.17-25.3.ia64.rpm
    
    x86_64:
    fdb219bb4f76ef3add60d5dda6e583d4  rsh-0.17-25.3.x86_64.rpm
    ae5b1069589042712574a22b67a4d888  rsh-server-0.17-25.3.x86_64.rpm
    
    These packages are GPG signed by Red Hat for security.  Our key and 
    details on how to verify the signature are available from
    https://www.redhat.com/security/team/key/#package
    
    7. References:
    
    http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0175
    
    8. Contact:
    
    The Red Hat security contact is .  More contact
    details at https://www.redhat.com/security/team/contact/
    
    Copyright 2005 Red Hat, Inc.
    
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