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OVAL

RHSA-2016:1422-01 -- Redhat httpd

ID: oval:org.secpod.oval:def:501848Date: (C)2016-07-21   (M)2023-12-20
Class: PATCHFamily: unix




The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fix: * It was discovered that httpd used the value of the Proxy header from HTTP requests to initialize the HTTP_PROXY environment variable for CGI scripts, which in turn was incorrectly used by certain HTTP client implementations to configure the proxy for outgoing HTTP requests. A remote attacker could possibly use this flaw to redirect HTTP requests performed by a CGI script to an attacker-controlled proxy via a malicious HTTP request. Note: After this update, httpd will no longer pass the value of the Proxy request header to scripts via the HTTP_PROXY environment variable. Red Hat would like to thank Scott Geary for reporting this issue. Bug Fix: * In a caching proxy configuration, the mod_cache module would treat content as stale if the Expires header changed when refreshing a cached response. As a consequence, an origin server returning content without a fixed Expires header would not be treated as cacheable. The mod_cache module has been fixed to ignore changes in the Expires header when refreshing content. As a result, such content is now cacheable, improving performance and reducing load at the origin server. * The HTTP status code 451 "Unavailable For Legal Reasons" was not usable in the httpd configuration. As a consequence, modules such as mod_rewrite could not be configured to return a 451 error if required for legal purposes. The 451 status code has been added to the list of available error codes, and modules can now be configured to return a 451 error if required. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the updated packages, the httpd daemon will be restarted automatically. 5. Bugs fixed : 1347648 - Apache can not cache content if Expires header is modified 1353269 - Support sending http 451 status code from RewriteRule 1353755 - CVE-2016-5387 Apache HTTPD: sets environmental variable based on user supplied Proxy request header 6. Package List: Red Hat Enterprise Linux Client Optional

Platform:
Red Hat Enterprise Linux 7
Product:
httpd
Reference:
RHSA-2016:1422-01
CVE-2016-5387
CVE    1
CVE-2016-5387
CPE    2
cpe:/a:apache:http_server
cpe:/o:redhat:enterprise_linux:7

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