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Ethereal Bugs in Multipe Dissectors Lets Remote Users Execute Arbitrary Code and Remote Deny Service
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SecurityTracker Alert ID: 1015985
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SecurityTracker URL: http://securitytracker.com/id?1015985
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CVE Reference: CVE-2006-1932
, CVE-2006-1933
, CVE-2006-1934
, CVE-2006-1935
, CVE-2006-1936
, CVE-2006-1937
, CVE-2006-1938
, CVE-2006-1939
, CVE-2006-1940
(Links to External Site)
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Updated: Apr 25 2006
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Original Entry Date: Apr 24 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): 0.10.14 and prior versions
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Description: A vulnerability was reported in Ethereal. A remote user can execute arbitrary code on the target system. A remote user can cause denial of service conditions.
Several dissectors contain vulnerabilities. A remote user can send specially crafted data to trigger a buffer overflow and execute
arbitrary code on the target system. The code will run with the privileges of the target user.
A remote user can send specially
crafted data to cause the target service to crash or enter an infinite loop.
The H.248, UMA, X.509if, SRVLOC, H.245, COPS, ALCAP,
AIM, RPC, DCERPC, ASN.1, SMB PIPE, BER, SNDCP, GSM SMS, ALCAP, and telnet dissectors are affected.
Also, the Ethereal OID printing
routine, statistics counter, and general packet dissectors are affected.
A specially crafted Sniffer capture or invalid display
filter can cause Ethereal to crash.
The Network Instruments file code NetXray/Windows Sniffer file code is also affected.
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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 (0.99.0), available at:
http://www.ethereal.com/download.html
The vendor's advisory is available at:
http://www.ethereal.com/appnotes/enpa-sa-00023.html
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Vendor URL: www.ethereal.com/appnotes/enpa-sa-00023.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: Mon, 24 Apr 2006 17:55:02 -0400
Subject: Ethereal vulnerabilities
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http://www.ethereal.com/appnotes/enpa-sa-00023.html
Many security vulnerabilities have been fixed since the previous release.
* The H.248 dissector could crash. Versions affected: 0.10.14.
CVE: CVE-2006-1937
* The UMA dissector could go into an infinite loop. Versions affected: 0.10.12 - 0.10.14.
CVE: CVE-2006-1933
* The X.509if dissector could crash. Versions affected: 0.10.14.
CVE: CVE-2006-1937
* The SRVLOC dissector could crash. Versions affected: 0.10.0 - 0.10.14.
CVE: CVE-2006-1937
* The H.245 dissector could crash. Versions affected: 0.10.13 - 0.10.14.
CVE: CVE-2006-1937
* Ethereal's OID printing routine was susceptible to an off-by-one error. Versions affected: 0.10
.14.
CVE: CVE-2006-1932
* The COPS dissector could overflow a buffer. Versions affected: 0.9.15 - 0.10.14.
CVE: CVE-2006-1935
* The ALCAP dissector could overflow a buffer. Versions affected: 0.10.14.
CVE: CVE-2006-1934
Under a grant funded by the U.S. Department of Homeland Security, Coverity has uncovered a number of
vulnerabilities in Ethereal:
* The statistics counter could crash Ethereal. Versions affected: 0.10.10 - 0.10.14.
CVE: CVE-2006-1937
* Ethereal could crash while reading a malformed Sniffer capture. Versions affected: 0.8.12 - 0.1
0.14.
CVE: CVE-2006-1938
* An invalid display filter could crash Ethereal. Versions affected: 0.9.16 - 0.10.14.
CVE: CVE-2006-1939
* The general packet dissector could crash Ethereal. Versions affected: 0.10.9 - 0.10.14.
CVE: CVE-2006-1937
* The AIM dissector could crash Ethereal. Versions affected: 0.10.7 - 0.10.14.
CVE: CVE-2006-1937
* The RPC dissector could crash Ethereal. Versions affected: 0.9.8 - 0.10.14.
CVE: CVE-2006-1939
* The DCERPC dissector could crash Ethereal. Versions affected: 0.9.16 - 0.10.14.
CVE: CVE-2006-1939
* The ASN.1 dissector could crash Ethereal. Versions affected: 0.9.8 - 0.10.14.
CVE: CVE-2006-1939
* The SMB PIPE dissector could crash Ethereal. Versions affected: 0.8.20 - 0.10.14.
CVE: CVE-2006-1938
* The BER dissector could loop excessively. Versions affected: 0.10.4 - 0.10.14.
CVE: CVE-2006-1933
* The SNDCP dissector could abort. Versions affected: 0.10.4 - 0.10.14.
CVE: CVE-2006-1940
* The Network Instruments file code could overrun a buffer. Versions affected: 0.10.0 - 0.10.14.
CVE: CVE-2006-1934
* The NetXray/Windows Sniffer file code could overrun a buffer. Versions affected: 0.10.13 - 0.10
.14.
CVE: CVE-2006-1934
* The GSM SMS dissector could crash Ethereal. Versions affected: 0.9.16 - 0.10.14.
CVE: CVE-2006-1939
* The ALCAP dissector could overrun a buffer. Versions affected: 0.10.14.
CVE: CVE-2006-1934
* The telnet dissector could overrun a buffer. Versions affected: 0.8.5 - 0.10.14.
CVE: CVE-2006-1936
* ASN.1-based dissectors could crash Ethereal. Versions affected: 0.9.10 - 0.10.14.
CVE: CVE-2006-1939
* The H.248 dissector could crash Ethereal. Versions affected: 0.10.11 - 0.10.14.
CVE: CVE-2006-1937
* The DCERPC NT dissector could crash Ethereal. Versions affected: 0.9.14 - 0.10.14.
CVE: CVE-2006-1939
* The PER dissector could crash Ethereal. Versions affected: 0.9.14 - 0.10.14.
CVE: CVE-2006-1939
Impact:
It may be possible to make Ethereal crash, use up available system resources, or run
arbitrary code by injecting a purposefully malformed packet onto the wire or by
convincing someone to read a malformed trace file.
Resolution:
Upgrade to 0.10.14.
Due to the severity and scope of the defects that have been discovered, no workaround
is available.
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