A cookie, also known as an HTTP cookie, web cookie, or browser cookie, is used for an origin website to send state information to a user's browser and for the browser to return the state information to the origin site. The state information can be used for authentication, identification of a user ...

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2answers
62 views

How to prevent Cookie-Bombs?

Egor Homakov made a nice writeup (Cookie Bomb or let's break the Internet) on how to crash CDNs and other websites with cookies. Although this is a user/browser-side DOS, I'm wondering how one would ...
0
votes
2answers
63 views

How to alert webmaster if he does not put contact address

i found a session cookie that contains user status with two parameters NO for standard users when altering this to YES you become a Premium user and you can download content restricted to premium ...
0
votes
1answer
42 views

Setting a temporary cookie to an invalid value when logout improves security?

When a session is closed, for example, when a timeout triggers or when the user clicks the logout button, the session should be terminated at server side so the session cookie is invalid. I think ...
0
votes
1answer
194 views

How does does the “Sign out all other sessions” feature work in Gmail?

In Gmail, at the bottom of the screen if you click Details it will show you your recent account activity and there's a button to sign you out of all other sessions. How does this work? Are they ...
0
votes
1answer
453 views

Cookies + CSRF protection + AJAX

In my app (built in Codeigniter), users can submit status updates. When submitting forms, Codeigniter automatically provides a hidden cookie. I can validate that cookie through AJAX when the user ...
0
votes
2answers
46 views

What conditions allow an attacker to write a cookie?

Some CSRF protection mechanisms are vulnerable to attackers who can write cookies. Others are not but incur extra complexity or computational cost. Help me understand the cost/benefit. What ...
0
votes
2answers
54 views

Javascript injection via document.cookie possible?

Let's say someone rooted a site, is it possible for the attacker to do XSS via document.cookie? Instead of giving the user a name=value, the attacker does something like this ...
0
votes
2answers
472 views

Is using an SSL Session ID along with a cookie based session verification more secure or not really?

I am using Django which is a web framework for Python. I love it but the session handling is cookie-based. Now over SSL I'm sure it's reasonably "secure" but I don't think there is any kind of fail ...
0
votes
2answers
100 views

Does CRIME also compromise basic access authentication?

CRIME mitigation involves disabling TLS compression. My server offers services only via XML-RPC and does not make use of Cookies, which is what CRIME exploits. Does this mean that I can turn on TLS ...
0
votes
3answers
199 views

how Cookie tracking threat works?

as explained here and lots of other cases , what is this tracking story ? browser vendors say we have same origin policy and for example google.com can only read cookies saved by google.com or read ...
0
votes
3answers
70 views

Does it have sense a One-Time Session Cookie?

Recently I have faced a site that seems to implement something that we can call "one-time cookie". This cookie is used for single-sign on among different sites. In each request the server sends a ...
0
votes
1answer
75 views

What kind of encoding/hash it is [closed]

I have email which is stored in Cookie : %2FGl%F8%7E%06%F1S%FEF%10%E0T%B3%95%82BK%D9%D3%94%BC%AE%E1 which is sth like this after convert it with this tool : ...
0
votes
1answer
146 views

Which approach to encrypting data on a per-user basis is more secure?

As a bit of a thought experiment, I've been thinking through how one might design a web application where a user's data (say, from a form on a webpage) is stored, encrypted, on the server, using a ...
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votes
0answers
55 views

CAS protection against CSRF attacks

A website based on Apache Struts uses central authentication service (cas) for login. I'd like to know if additional csrf protection needs to be provided with Struts in case cas doesn't provide that. ...
0
votes
0answers
35 views

Is it possible to prevent attackers from destroying sessions using cookie tossing and cookie overflow attacks?

I won't really go into details of how cookie tossing and cookie overflow attacks work, because this answer explains it perfectly. This post on github explains some mitigation strategies, but does not ...
0
votes
0answers
36 views

Can one scan multiple websites for tracking cookies and beacons?

Do you know of any tools or techniques that allow one to scan multiple sites for the use of tracking cookies, beacons, web bugs, or offsite javascript includes? As far as I can tell, major web ...
0
votes
0answers
60 views

Will http only cookie work while using chrome bandwidth saving feature in Android?

I am developing a site which uses http only cookies for authentication. By design[w3 standard] these cookies are XMLHttpObjects and will only be submitted to the domain they originated from to prevent ...
0
votes
1answer
86 views

Wouldn't transient cookies for session management increase effectiveness of MITM?

According to wikipedia, a transient cookie (aka session-cookie, in-memory cookie) is forgotten when the user closes the browser. These are also recommended for session cookies by OWASP. I've seen a ...
0
votes
1answer
113 views

What are the risks of setting a cookie to have a more global scope? [duplicate]

If I have a subdomain, and I set my cookie's scope to be / instead of examp.example.com. How can it be insecure?
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votes
2answers
299 views

Cookie stealing, what prevents a rogue wireless AP from stealing website cookies?

If you set up a rogue AP with the same SSID as a commonly-known wireless access point, what prevents you from forging DNS queries answering with your own web server and stealing people's login ...
0
votes
2answers
151 views

Guarding against XSS when setting Cookies based on URI?

I have a web-site written in nginx.conf — http://mdoc.su/ — which essentially accepts two parameters, an operating system and a manual page name, and does a redirect to a different site based on the ...
0
votes
1answer
94 views

What is a preferred method of security-conscious creation of login cookies [duplicate]

Possible Duplicate: Is it safe to store the password hash in a cookie and use it for “remember-me” login? I am working on a webapp that uses localStorage alone ...
0
votes
0answers
138 views

How can I prevent SESSID stealing? [duplicate]

Possible Duplicate: Can you secure a web app from FireSheep without using SSL? How can I prevent someone on same network from stealing SESSIONID and using it in his own browser (it would ...
0
votes
1answer
593 views

How can I decrypt ADFS-based SAML/p or WS-Trust claims?

I'd like to audit the claims that are sent to a client from a SAML/p or WS-Trust authentication. What private keys do I need and how would I decrypt this information? If it makes any difference, I'm ...
-1
votes
1answer
119 views

My cookies have been stolen. What to do?

About a month and a half ago I got infected by a virus called MSIL.Bladabindi. I noticed the virus quite soon because google notified me that someone from Turkey tried to access my account (I'm in ...
-1
votes
1answer
289 views

how to secure my login user id and passwords specially for facebook [closed]

i think they hack me with facebook cookies. i dont get what exactly is going on with me. every time i get the login notification from another ip location.i want to secure my cookies and i wanted to ...
-1
votes
1answer
144 views

Comparing cookie values with page parameters (i.e. href)

Could you suggest if there is any reason to compare cookie value domain, path, etc with web "location.href" and so on? I mean - on the client side.
-1
votes
1answer
44 views

How do websites tracker cookies and beacon work?

Could someone please enlighten me, either on a technical level or high level if that detail is not feasible, on how tracker cookies and beacons work. Particularly, how information on my browsing ...
-1
votes
2answers
86 views

How to avoid session sharing inside the same network

I was thinking about a situation to avoid session sharing or hijacking, validating the IP the user logged in against the ip that is accessing any page after log in. It was working until I figured it's ...