Bug 123030

Summary: CAN-2004-0183/0184 tcpdump ISAKMP crash
Product: Red Hat Enterprise Linux 2.1 Reporter: Harald Hoyer <harald>
Component: tcpdumpAssignee: Harald Hoyer <harald>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: 2.1Keywords: Security
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Hardware: All   
OS: Linux   
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Last Closed: 2004-05-26 07:47:27 UTC Type: ---
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Description Harald Hoyer 2004-05-11 15:24:00 UTC
TCPDUMP v3.8.1 and earlier versions contain multiple flaws in the
packet display functions for the ISAKMP protocol.  Upon receiving
specially crafted ISAKMP packets, TCPDUMP will try to read beyond
the end of the packet capture buffer and crash.

This is a low-risk vulnerability, therefore this will get fixed in our
next tcpdump updates.

tcpdump 3.8.2/.3 came out on Mar30 to fix these issues

        CAN-2004-0183/84 Affects: 3AS 3WS 3ES
        CAN-2004-0183/84 Affects: 2.1AS 2.1AW 2.1ES 2.1WS

Comment 1 Harald Hoyer 2004-05-11 15:24:30 UTC
original bug #120022

Comment 2 Mark J. Cox 2004-05-26 07:47:27 UTC
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-2004-219.html