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Apache Two Denial of Service Vulnerabilities

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Release Date:  2004-06-28    Last Update:  2005-03-24    Views:  24,724

Secunia Advisory SA11956

Where:

From remote

Impact:

DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Two vulnerabilities have been reported in Apache httpd, which can be exploited by malicious people to cause a DoS (Denial of Service).

1) An error within the "ap_get_mime_headers_core()" function when processing headers can be exploited to consume all available memory via specially crafted, overly long header lines starting with either a TAB or SPACE character.

This vulnerability has been reported in versions 2.0.46 through 2.0.49. Prior versions may also be affected.

2) An error within the "ssl_io_filter_cleanup()" function can be exploited to cause a crash by sending a SSL request and then closing the connection down immediately.

This vulnerability has been reported in versions prior to version 2.0.50.


Solution:
Update to version 2.0.50.

Provided and/or discovered by:
1) Georgi Guninski
2) Hartmut Keil

Original Advisory:
Apache Week:
http://www.apacheweek.com/features/security-20

Georgi Guninski:
http://www.guninski.com/httpd1.html

ASF Bugzilla:
http://issues.apache.org/bugzilla/show_bug.cgi?id=27945

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Apache Two Denial of Service Vulnerabilities

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