Bug 107538 - CAN-2003-0795 Zebra remote DoS
CAN-2003-0795 Zebra remote DoS
Product: Red Hat Enterprise Linux 2.1
Classification: Red Hat
Component: zebra (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Jay Fenlason
: Security
Depends On:
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Reported: 2003-10-20 05:05 EDT by Mark J. Cox (Product Security)
Modified: 2014-08-31 19:25 EDT (History)
1 user (show)

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Doc Type: Bug Fix
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Last Closed: 2003-11-12 09:06:42 EST
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Description Mark J. Cox (Product Security) 2003-10-20 05:05:11 EDT
Jonny Robertson reported a remote DoS condition exists in zebra when layer 3
access is possible to the telnet management port (2601/tcp).

By sending a telnet option delimiter with no actual option data, zebra will make
a bad memory call and SIGSEV.

I've assigned CAN-2003-0795 to track this issue.

Will be RHSA-2003:305.
Comment 1 Mark J. Cox (Product Security) 2003-10-20 05:05:57 EDT
Note also affects 2.1AW (not 2.1ES or 2.1WS which did not ship with zebra)
Comment 2 Mark J. Cox (Product Security) 2003-11-12 09:06:42 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.


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