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Apache HTTP Request Smuggling Vulnerability
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Secunia Advisory:
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SA14530
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Release Date:
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2005-07-26
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Last Update:
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2005-10-19
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Popularity:
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25,622 views
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Critical:
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Less critical
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Impact:
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Security Bypass
Cross Site Scripting
Manipulation of data
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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: | Apache 1.3.x
Apache 2.0.x
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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:
A vulnerability has been reported in Apache, which can be exploited by malicious people to conduct HTTP request smuggling attacks.
The vulnerability is caused due to an error in the handling of malformed HTTP requests with both "Transfer-Encoding" and "Content-Length" headers and can be exploited to cause Apache to forward malicious HTTP requests in the HTTP body, which will be processed as a separate HTTP requests by the receiving server.
Successful exploitation allows poisoning of the web proxy cache or bypass of certain web application firewall protections, but requires that Apache is configured as a web proxy.
An off-by-one error has also been reported in mod_ssl when printing debug information and configured to use a malicious CRL (Certificate Revocation List). An RFC 2616 non-compliance error in handling TRACE requests has also been reported.
The vulnerability has been reported in versions prior to 1.3.34, in version 2.0.35 through 2.0.37, 2.0.39, 2.0.40, and in version 2.0.42 through 2.0.54.
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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