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Microsoft ISA Server / Proxy Server Internet Content Spoofing Vulnerability
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Secunia Advisory:
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SA13147
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Release Date:
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2004-11-09
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Last Update:
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2004-11-17
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Popularity:
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16,826 views
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Critical:
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Moderately critical
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Impact:
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Spoofing
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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: | Microsoft ISA Server 2000
Microsoft Proxy Server 2.x
Microsoft Small Business Server 2000
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Secunia CVSS-2 Score:
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
Martijn de Vries and Thomas de Klerk have reported a vulnerability in Microsoft ISA Server 2000 and Proxy Server 2.0, which can be exploited by malicious people to spoof Internet content.
The vulnerability is caused due to an error within the method used for caching results of reverse lookups. The problem is that reverse lookups results are used for forward lookups. This can be exploited by making the server perform a reverse lookup for an IP address and then supply a spoofed reverse lookup response for an arbitrary domain name.
Successful exploitation poisons the DNS cache and may result in users unknowingly accessing malicious web sites when attempting to access a trusted web site.
NOTE: Exploitation does not allow spoofing of SSL certificates on HTTPS sites.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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