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This script is Copyright (C) 2005-2014 Tenable Network Security, Inc.
The remote Red Hat host is missing one or more security updates.
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
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 CVE-2004-0175 to this
These updated packages also address the following bugs :
The rexec command failed with 'Invalid Argument', because the code
used sigaction() as an unsupported signal.
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.
The rexec command prompted for username and password regardless of the
~/.netrc configuration file contents. This updated package contains a
patch that no longer skips the ~/.netrc file.
All users of rsh should upgrade to these updated packages, which
resolve these issues.
See also :
Update the affected rsh and / or rsh-server packages.
Risk factor :
Medium / CVSS Base Score : 4.3
Family: Red Hat Local Security Checks
Nessus Plugin ID: 18309 ()
CVE ID: CVE-2004-0175
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