Wireshark (Ethereal) Format String Flaws, Off-by-one Errors, and Buffer Overflow May Let Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1016532
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SecurityTracker URL: http://securitytracker.com/id?1016532
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CVE Reference: CVE-2006-3627
, CVE-2006-3628
, CVE-2006-3629
, CVE-2006-3630
, CVE-2006-3631
, CVE-2006-3632
(Links to External Site)
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Updated: Aug 16 2006
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Original Entry Date: Jul 19 2006
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Impact: Denial of service via network, Execution of arbitrary code via network, User access via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): 0.8.16 - 0.99.0
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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.
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Impact: A remote user can execute arbitrary code on the target system.
A remote user can cause denial of service conditions.
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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
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Vendor URL: www.wireshark.org/security/wnpa-sec-2006-01.html (Links to External Site)
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Cause: Boundary error
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Underlying OS: Linux (Any), UNIX (Any), Windows (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Tue, 18 Jul 2006 23:44:53 -0400
Subject: Multiple problems in Ethereal versions 0.8.14 to 0.10.10
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http://www.wireshark.org/security/wnpa-sec-2006-01.html
excerpt:
* The ANSI MAP dissector was vulnerable to a format string overflow. Versions affected: 0.10.0
to 0.99.0. CVE: CVE-2006-3628
* The Checkpoint FW-1 dissector was vulnerable to a format string overflow. Versions affected: 0.
10.10 to 0.99.0. CVE: CVE-2006-3628
* The MQ dissector was vulnerable to a format string overflow. Versions affected: 0.10.4 to 0.99.
0. CVE: CVE-2006-3628
* The XML dissector was vulnerable to a format string overflow. Versions affected: 0.10.13 to 0.9
9.0. CVE: CVE-2006-3628
* The MOUNT dissector could attempt to allocate large amounts of memory. Versions affected: 0.9.4
to 0.99.0. CVE: CVE-2006-3629
* The NCP NMAS and NDPS dissectors were susceptible to off-by-one errors. Versions affected: 0.9.
7 to 0.99.0. CVE: CVE-2006-3630
* The NTP dissector was vulnerable to a format string overflow. Versions affected: 0.10.13 to 0.9
9.0. CVE: CVE-2006-3628
* The SSH dissector was vulnerable to an infinite loop. Versions affected: 0.9.10 to 0.99.0. CVE:
CVE-2006-3631
* The NFS dissector may have been susceptible to a buffer overflow. Versions affected: 0.8.16 to
0.99.0. CVE: CVE-2006-3632
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