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vulnerability announce CVE-2011-4968
nginx: certificate not checked in mode Proxy SSL
Synthesis of the vulnerability
When nginx is configured in mode Proxy SSL, the server identity is not checked, so an attacker can setup a Man-in-the-Middle attack.
Impacted products: nginx.
Creation date: 04/01/2013.
Identifiers: BID-57139, CVE-2011-4968, VIGILANCE-VUL-12282.
Description of the vulnerability
The nginx can be configured in mode Proxy SSL. In this case, it connects to a web server with SSL/TLS enabled.
However, nginx does not check the validity of the X.509 certificate offered by the web server.
When nginx is configured in mode Proxy SSL, an attacker can therefore setup a Man-in-the-Middle attack.
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