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Home » Hacking News » RHSA-2001:099-09: New telnet packages available to fix buffer overflow vulner

RHSA-2001:099-09: New telnet packages available to fix buffer overflow vulner

by Nikola Strahija on February 7th, 2002 New telnet, telnet-server packages are available for Red Hat Linux 5.2, 6.2, 7.0 and 7.1. These packages fix a problem where buffer overflows can provide root access to local users. It is recommended that all users update to the fixed packages.


[2002-02-06] New packages are available for Red Hat Linux 7.0 and 7.1.
These fix issues when upgrading from the errata telnet packages released
for previous releases. No code changes are involved.

2. Relevant releases/architectures:

Red Hat Linux 5.2 - alpha, i386, sparc

Red Hat Linux 6.2 - alpha, i386, sparc

Red Hat Linux 7.0 - alpha, i386

Red Hat Linux 7.1 - alpha, i386, ia64

3. Problem description:



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.

5. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info):

50335 - telnetd segfaults during session negotiation

6. RPMs required:

Red Hat Linux 5.2:

SRPMS:
ftp://updates.redhat.com/5.2/en/os/SRPMS/telnet-0.17.5x-18.src.rpm

alpha:
ftp://updates.redhat.com/5.2/en/os/alpha/telnet-0.17.5x-18.alpha.rpm

i386:
ftp://updates.redhat.com/5.2/en/os/i386/telnet-0.17.5x-18.i386.rpm

sparc:
ftp://updates.redhat.com/5.2/en/os/sparc/telnet-0.17.5x-18.sparc.rpm

Red Hat Linux 6.2:

SRPMS:
ftp://updates.redhat.com/6.2/en/os/SRPMS/telnet-0.17.6x-18.src.rpm

alpha:
ftp://updates.redhat.com/6.2/en/os/alpha/telnet-0.17.6x-18.alpha.rpm
ftp://updates.redhat.com/6.2/en/os/alpha/telnet-server-0.17.6x-18.alpha.rpm

i386:
ftp://updates.redhat.com/6.2/en/os/i386/telnet-0.17.6x-18.i386.rpm
ftp://updates.redhat.com/6.2/en/os/i386/telnet-server-0.17.6x-18.i386.rpm

sparc:
ftp://updates.redhat.com/6.2/en/os/sparc/telnet-0.17.6x-18.sparc.rpm
ftp://updates.redhat.com/6.2/en/os/sparc/telnet-server-0.17.6x-18.sparc.rpm

Red Hat Linux 7.0:

SRPMS:
ftp://updates.redhat.com/7.0/en/os/SRPMS/telnet-0.17-18.1.src.rpm

alpha:
ftp://updates.redhat.com/7.0/en/os/alpha/telnet-0.17-18.1.alpha.rpm
ftp://updates.redhat.com/7.0/en/os/alpha/telnet-server-0.17-18.1.alpha.rpm

i386:
ftp://updates.redhat.com/7.0/en/os/i386/telnet-0.17-18.1.i386.rpm
ftp://updates.redhat.com/7.0/en/os/i386/telnet-server-0.17-18.1.i386.rpm

Red Hat Linux 7.1:

SRPMS:
ftp://updates.redhat.com/7.1/en/os/SRPMS/telnet-0.17-18.1.src.rpm

alpha:
ftp://updates.redhat.com/7.1/en/os/alpha/telnet-0.17-18.1.alpha.rpm
ftp://updates.redhat.com/7.1/en/os/alpha/telnet-server-0.17-18.1.alpha.rpm

i386:
ftp://updates.redhat.com/7.1/en/os/i386/telnet-0.17-18.1.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/telnet-server-0.17-18.1.i386.rpm

ia64:
ftp://updates.redhat.com/7.1/en/os/ia64/telnet-0.17-18.1.ia64.rpm
ftp://updates.redhat.com/7.1/en/os/ia64/telnet-server-0.17-18.1.ia64.rpm




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