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Apache mod_proxy Interim Responses Denial of Service
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Secunia Advisory:
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SA30621
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Release Date:
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2008-06-11
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Last Update:
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2008-06-16
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Popularity:
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7,241 views
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Critical:
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Less critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Partial Fix
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| Software: | Apache 2.0.x
Apache 2.2.x
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| CVE reference: | CVE-2008-2364
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Description:
A vulnerability has been reported in the Apache mod_proxy module, which potentially can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error in the "ap_proxy_http_process_response()" function when forwarding interim responses. This can be exploited to consume large amounts of memory by tricking mod_proxy into sending an overly large number of interim responses to the client.
The vulnerability is reported in versions 2.2.8 and 2.0.63. Other versions may also be affected.
Solution:
Update to version 2.2.9.
Fixed in the SVN repository.
http://svn.apache.org/viewvc/httpd/ht...6154&r2=666153&pathrev=666154
Restrict proxy access to trusted users only.
Provided and/or discovered by:
The vendor credits Ryujiro Shibuya.
Changelog:
2008-06-16: Updated "Solution" section. Added vendor link to the "Original Advisory" section.
Original Advisory:
http://httpd.apache.org/security/vulnerabilities_22.html
http://svn.apache.org/viewvc/httpd/ht...6154&r2=666153&pathrev=666154
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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.
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