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Category:   Application (Generic)  >   Wireshark Vendors:   Wireshark.org
Wireshark (Ethereal) Format String Flaws, Off-by-one Errors, and Buffer Overflow May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1016532
SecurityTracker URL:  http://securitytracker.com/id/1016532
CVE Reference:   CVE-2006-3627, CVE-2006-3628, CVE-2006-3629, CVE-2006-3630, CVE-2006-3631, CVE-2006-3632   (Links to External Site)
Updated:  Aug 16 2006
Original Entry Date:  Jul 19 2006
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 0.8.16 - 0.99.0
Description:   A vulnerability was reported in Wireshark/Ethereal. A remote user can execute arbitrary code on the target system. A remote user can cause denial of service conditions.

A format string oveflow exists in the ANSI MAP, Checkpoint FW-1, MQ, XML, and NTP dissectors. An off-by-one error exists in the NCP NMAS and NDPS dissectors. A buffer overflow exists in the NFS dissector.

A remote user can send specially crafted data to execute arbitrary code on the target system. The code will run with the privileges of the target service.

A memory allocation error exists in the MOUNT dissector. A remote user can cause the dissector to consume excessive memory on the target system.

A remote user can send specially crafted data to cause the SSH dissector to enter an infinite loop.

A specially crafted packet trace file can also trigger these vulnerabilities.

Ilja van Sprundel discovered these vulnerabilities.

Impact:   A remote user can execute arbitrary code on the target system.

A remote user can cause denial of service conditions.

Solution:   The vendor has issued a fixed version (0.99.2).

The Wireshark advisory is available at:

http://www.wireshark.org/security/wnpa-sec-2006-01.html

Vendor URL:  www.wireshark.org/security/wnpa-sec-2006-01.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Aug 16 2006 (Red Hat Issues Fix) Wireshark (Ethereal) Format String Flaws, Off-by-one Errors, and Buffer Overflow May Let Remote Users Execute Arbitrary Code
Red Hat has released a fix for Red Hat Enterprise Linux 2.1, 3, and 4.



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