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
208 views

Is it safe to skip CSRF checks for non-browsers?

I was in the middle of implementing a CSRF protection mechanism for my server when I realized that this attack only really affects web browsers. It got me wondering: why should I bother ...
1
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0answers
188 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. ...
1
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0answers
113 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 ...
1
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0answers
119 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 ...
1
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0answers
442 views

I authenticate my users through Facebook's Oauth client and want to secure my own called APIs

My application is divised into two parts: Javascript application as client Server side API's (RESTFUL through Play!2.2 framework) I expect users to be authenticated through Facebook's Oauth 2.0 ...
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0answers
1k views

Do I keep my PHP simple auth session secure enough?

I'm experimenting with security, cryptography and web applications. My aim is to create simple login system that is realy secure enough. I'd like to share my approach to keep authenticated session ...
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0answers
1k views

Want to implement a really good authentication mechanism for REST API

I own a web application (single page application with Angular), that asks for some data through a set of REST APIs based on my server-side application (using Play Framework 2.2.1). So basically, I'm ...
1
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2answers
502 views

CSRF protection with cookie and AJAX

I would like to note that I've read the other question with an embarrassingly similar title and it does not contain an answer to my question. I have not used CodeIgniter as a programmer, but I have ...
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2answers
184 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 ...
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2answers
759 views

What security issues are there when reading cookie with .htaccess?

I have a (hobby) web site that runs only on SSL (i.e., site-wide HTTPS). The site does not deal with finances, social security numbers, or anything of that level of importance. However, I'd like to ...
0
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2answers
79 views

Legality of cookie(set by other sites) tracking

I have created a website A which asks username & password, there exists another closed source website B which again asks for login credentials. A user uses both these websites .I want to ...
0
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2answers
336 views

Are there any HTTP servers that can detect two cookies with the same name, but issued from different subdomains?

As a follow up to the Related Domain Cookie Attack question, I'd like to see if there are any servers that are able to detect instances where multiple cookies are sent from multiple domains. In other ...
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2answers
1k views

Is SSL a mitigating factor for HTTPonly not set on cookies?

I have a few sites that are using HTTPS (no mixed mode HTTPS/HTTP). The cookies do not have a HTTPOnly flag set. They do pass along session IDs. Also some of the sites do not have a "Secure"flag set ...
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2answers
136 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
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1answer
33 views

Setting the HTTPOnly flag for PHPSESSID cookie [on hold]

I am getting this message from my security audit: Cookie name: "PHPSESSID" Cookie domain: "xxx.xxx.xx.xxx" If possible, you should set the HTTPOnly flag for this cookie. How can I set ...
0
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2answers
291 views

What is actually the purpose of encrypting the values in a cookie?

I was researching on internet security. When I reached at section Cookies, I happened to read that the values inside a cookie are generally stored only after encrypting them. But an encryption can be ...
0
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1answer
419 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 ...
0
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2answers
67 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
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2answers
148 views

Are CSRF tokens useful outside of web APIs?

I'm trying to understand CSRF tokens and one thing isn't making sense to me. For a web API, you can provide a CSRF token just once, on authentication, and expect the client to remember that token ...
0
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1answer
105 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
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2answers
2k 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
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1answer
354 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
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1answer
639 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
1answer
165 views

What are HSTS Super Cookies?

A few questions : What are HSTS super cookie? How do they work? Why is possible to access them from multiple domains? Do I have to worry and if yes, how to mitigate their effect? Sources ...
0
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1answer
203 views

should I not accept cookies for the sake of anonymity?

Let's say I had a Gmail account. Should I just not have a Gmail account, or should I not use their cookies? How bad are the cookies, in of themselves? I obviously wouldn't log into it, with my VPN or ...
0
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1answer
87 views

What are the major threats involved in storing the session identifiers in local storage instead of cookies?

I want to know the major security threats involved in storing the session variables in client side local storage, instead of storing it in the cookies. Can somebody give me a brief description?
0
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1answer
365 views

extracting JSESSIONID from document.cookie

I was trying cookie stealing on a java and spring based web application. Normally, a cookie can be obtained through <script>alert(document.cookie)</script>, but in the above code, cookie ...
0
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2answers
58 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
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2answers
444 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
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2answers
114 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
1answer
38 views

How to escape a cookie to cause split response? [closed]

A website takes the following request and sets the "_Add_User" as a cookie in the response: Request GET /cgi-bin/webscr?cmd=_Add_User HTTP/1.1 Host: www.example.com User-Agent: Mozilla/5.0 (Windows ...
0
votes
1answer
34 views

Signing (HMAC) cookie identifier

Related to this other question about sharing the secret to sign the cookies, my question is more trivial: how really secure is to sign a simple cookie identifier? In example, expressjs#session ...
0
votes
1answer
52 views

The purpose of securecookie package from gorilla

I don't understand the purpose of securecokie package from gorilla. https://github.com/gorilla/securecookie/blob/master/securecookie.go. I can see that it's being used get the cookie value on server ...
0
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1answer
25 views

General concerns with cookies and privacy

The following post is in regards to headless *nix machines only... I know programs like wget allow options to control cookies. However if a program is not HTTP centric, has little or no options for ...
0
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1answer
807 views

is HttpOnly and Secure cookie enough to prevent CSRF in rest api?

I created one RESTful API using spring. I am transmitting a secret key as HttpOnly & Secure cookie with login response. After login every rest request will check with that cookie and update it ...
0
votes
1answer
156 views

With SSL: not saving sessions, cookies not being sent

My purpose is to have a fully SSL site. The web host gave this format of URL for my shared server SSL: https://hostaddress.net/example/ where www.example.com is the domain name. I conducted the ...
0
votes
2answers
349 views

How session cookies work? [closed]

I want to know the basic working of session cookies. When i tried googling, most of the results came were based on any programming language. I am not good at coding. So it will be helpful if someone ...
0
votes
1answer
488 views

How to delete YouTube zombie cookies

Some days ago I noticed that YouTube knows the videos I watched even though I deleted my cookies. I also was not using a YouTube-account. When I noticed I used IE 11. After some research I found out ...
0
votes
3answers
310 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
215 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
361 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 ...
0
votes
1answer
770 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 ...
0
votes
0answers
35 views

Wordpress cookie discloses admins username [closed]

My wordpress installation has two cookies whose values follows the following format: <admin_username>_<hashvalue> I understand disclosing admin username is a serious security issue. ...
0
votes
0answers
74 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
1answer
160 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
277 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?
0
votes
2answers
382 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
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1answer
117 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
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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 ...
-1
votes
1answer
58 views

Issue regarding vulnerability of cookies [closed]

If someone somehow manages to copy all the cookies from my PC, can they be misused to get my private information or can information be extracted through them? If yes, please suggest some ...