Bug 108573 - CAN-2003-0856 Netlink local DoS: iproute
CAN-2003-0856 Netlink local DoS: iproute
Status: CLOSED ERRATA
Product: Red Hat Enterprise Linux 2.1
Classification: Red Hat
Component: iproute (Show other bugs)
2.1
All Linux
medium Severity medium
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Assigned To: Phil Knirsch
Brock Organ
: Security
Depends On:
Blocks:
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Reported: 2003-10-30 05:25 EST by Mark J. Cox (Product Security)
Modified: 2015-03-04 20:13 EST (History)
1 user (show)

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Doc Type: Bug Fix
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Last Closed: 2003-11-12 09:06:22 EST
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Description Mark J. Cox (Product Security) 2003-10-30 05:25:09 EST
Herbert Xu discovered that a number of netlink applications do not
check the source address of incoming packets, assuming they are coming
from the kernel.  As any local user can send unicast netlink messages
to any process on the system, this can lead to a local denial of
service attack, or other local attacks.

iproute in RHEL3 and RHEL2.1 is affected 

Currently embargoed.
Comment 1 Mark J. Cox (Product Security) 2003-11-12 09:06:22 EST
An errata has been issued which should help the problem described in this bug report. 
This report is therefore being closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files, please follow the link below. You may reopen 
this bug report if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2003-317.html

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