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Ethereal Multiple Protocol Dissector Vulnerabilities
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Secunia Advisory:
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SA9007
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Release Date:
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2003-06-12
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Last Update:
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2003-06-18
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Popularity:
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10,386 views
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Critical:
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Moderately critical
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Impact:
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DoS
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Wireshark (formerly Ethereal) 0.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| | CVE reference: | CVE-2003-0428
CVE-2003-0429
CVE-2003-0431
CVE-2003-0432
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Description:
Multiple vulnerabilities have been identified in Ethereal, which could be exploited to cause a DoS (Denial of Service) on a vulnerable system or potentially compromise it.
The vulnerabilities are caused due to various errors in the following protocol dissectors:
- DCERPC dissector (decoding NDR strings can lead to excessive memory consumption).
- OSI dissector (boundary error when handling manipulated IPv4 or IPv6 prefix lengths).
- SPNEGO (can crash when handling invalid ASN.1 values).
- BGP, WTP, DNS, 802.11, ISAKMP, WSP, CLNP, ISIS, and RMI dissectors (error in string handling)
Furthermore, an error also exists in the "tvb_get_nstringz0()" routine, when handling zero-length buffer sizes.
Solution:
Update to version 0.9.13:
http://www.ethereal.com/download.html
Provided and/or discovered by:
Timo Sirainen
Original Advisory:
http://www.ethereal.com/appnotes/enpa-sa-00010.html
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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