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Category:   Application (Generic)  >   Tcpdump Vendors:   Tcpdump.org
(NetBSD Issues Fix) Tcpdump Off-by-One Heap Overflow Lets Remote Users Deny Service
SecurityTracker Alert ID:  1022462
SecurityTracker URL:  http://securitytracker.com/id/1022462
CVE Reference:   CVE-2007-1218   (Links to External Site)
Date:  Jun 26 2009
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.9.5
Description:   A vulnerability was reported in tcpdump. A remote user can cause denial of service conditions.

A remote user can send a specially crafted 802.11 frame to trigger an off-by-one heap overflow in the function parse_elements() function in 'print-802_11.c' and cause the process to crash.

Moritz Jodeit reported this vulnerability.

[Editor's note: The report did not indicate whether code execution is possible or not. Also, CVE indicates that the overflow may be stack-based.]

Impact:   A remote user can cause denial of service conditions.
Solution:   NetBSD has issued a fix.

The NetBSD advisory is available at:

http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-002.txt.asc

Vendor URL:  www.tcpdump.org/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  UNIX (NetBSD)
Underlying OS Comments:  4.0

Message History:   This archive entry is a follow-up to the message listed below.
Mar 2 2007 Tcpdump Off-by-One Heap Overflow Lets Remote Users Deny Service



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