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httponly flag: OWA and PCI compliance

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httponly flag: OWA and PCI compliance - 3.Jul.2015 11:14:43 AM   


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Joined: 3.Jul.2015
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Hi, we are a bit stuck on this issue, we are running Exchange 2010 Server and OWA at 443 port and in this server run a pentest with nexpose and find some security issue, particularly this:

Undefined CVE, Missing HttpOnly Flag
From Cookie

protocol: tcp
port: 443

Cookie is not marked as HttpOnly: 'cadata=; expires=Thu, 03-Jan-
1970 00:00:00 GMT; path=/; domain=xxx.xx.xxx.xxx'
URL: https://xxx.xx.xxx.xxx/owa/default.asp

Try to find a solution for this we read in technet

this answer from a Technet community support member


We do not set the cookies to HttpOnly because we require access to certain of these cookies from scripts.
So we cannot change this, but we take care to use best practices and safe guards within our code to protect against cross site scripting attacks.

So it is by design.

Xiu Zhang
TechNet Community Support

We try to set <httpCookies httpOnlyCookies="true" requireSSL="true"/> or <httpCookies requireSSL="true" /> in the web.config of OWA but stop working.

We cant fix this vulnerability, and cant find a oficial documentation about this issue

Many people have this question for PCI certification... żany ideas?

thanks and best regards
Post #: 1

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