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Family: Red Hat Local Security Checks --> Category: infos

RHSA-2005-582: httpd Vulnerability Scan

Vulnerability Scan Summary
Check for the version of the httpd packages

Detailed Explanation for this Vulnerability Test

Updated Apache httpd packages to correct two security issues are now
available for Red Hat Enterprise Linux 3 and 4.

This update has been rated as having moderate security impact by the Red
Hat Security Response Team.

The Apache HTTP Server is a powerful, full-featured, efficient, and
freely-available Web server.

Watchfire reported a flaw that occured when using the Apache server as an
HTTP proxy. A remote attacker could send an HTTP request with both a
"Transfer-Encoding: chunked" header and a "Content-Length" header. This
caused Apache to incorrectly handle and forward the body of the request in
a way that the receiving server processes it as a separate HTTP request.
This could allow the bypass of Web application firewall protection or lead
to cross-site scripting (XSS) attacks. The Common Vulnerabilities and
Exposures project ( assigned the name CVE-2005-2088 to this

Marc Stern reported an off-by-one overflow in the mod_ssl CRL verification
callback. In order to exploit this issue the Apache server would need to
be configured to use a malicious certificate revocation list (CRL). The
Common Vulnerabilities and Exposures project ( assigned the
name CVE-2005-1268 to this issue.

Users of Apache httpd should update to these errata packages that contain
backported patches to correct these issues.

Solution :
Threat Level: High

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