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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1
vote
1answer
47 views

How does Yandex Alpha sign me in automatically?

I downloaded the new Yandex Alpha browser. When installing, I chose not to make it the default browser and not to send anonymous usage statistics. I never got a prompt whether I wanted to import ...
3
votes
2answers
117 views

Is HTTPS redirecting to HTTP a vulnerability?

Let's say a user is authenticated, and the entire account authentication process happened under secure HTTPS. Upon successful login, the user is redirected back to the homepage. However, the homepage ...
-5
votes
0answers
25 views

Session cookies not been retrieved or copied anymore? [closed]

Can sessions cookies be retrieved now Google changed they way they are created? Any php examples would be appreciated
2
votes
2answers
6k views

XSS cookie stealing without redirecting to another page

I'm practicing in VM following the OWASP guide. I know that is possible to steal the cookie by redirecting to "False" page etc. but I would like to steal the cookie without redirecting on another ...
-4
votes
0answers
31 views

IP Security on Cookies [closed]

Can cookies be stolen during exchange of information with a client/server? If so, how can this be mitigated?
1
vote
1answer
91 views

Does anything stop applications from reading your saved passwords and cookies from your browser's AppData folder?

Obviously the first answer is "a malicious application can do much worse than that." However, it seems like a really easy thing for an application to read your cookies, saved passwords, etc. from your ...
10
votes
2answers
890 views

ISPs are now adding unique header identifiers to web traffic. Can this be avoided? If so, how?

I'm a security-conscious Verizon user, and it has recently come to light that Verizon is now serving up my web traffic to ad partners while en route. I understand that once my data has left the ...
0
votes
1answer
37 views

Why do we trust session info over the wire but not an OAuth access token?

I've been spending a lot of time looking into building an API that needs to be accessible by a single page JavaScript application and how to make it as secure as possible. A lot of what I'm reading ...
3
votes
1answer
46 views

How to find out whether an ISP adds a perma-cookie to my requests?

I am interested in finding out whether my (or any) current ISP (Internet Service Provider) uses a technology known as "perma-cookie" oder "sticky cookie" when I am browsing the internet. This ...
8
votes
5answers
2k views

What do the various browser “private modes” do?

Recently there has been some disagreement as to what "private mode" means when it comes to various browsers. Primarily I am referring to... IE's "InPrivate Browsing" Google Chrome's "Incognito ...
5
votes
1answer
69 views

DNS Rebinding attack - will the victim's browser send cookies?

How does a DNS Rebinding attack works? How can it violate the Same-origin policy? Will the victim's browser send cookies to the remote server (specified by IP), when the domain is not the same as is ...
1
vote
1answer
162 views

Is there a secure way to share sessions in the same server with different sub domains?

I'm studing a case that I have a RESTful backend (php-based) and a hybrid HTML+JS+PHP front-end in different subdomains: backend.example.com <-- A RESTful API to provide some XHR requests. ...
2
votes
2answers
132 views

How can one secure Exchange 2010 cookies?

We have received the below finding from an IT audit. Missing Secure Attribute in Encrypted Session(SSL) Cookie: It is best business practice that any cookies that sent over (Set-cookie) an ...
3
votes
1answer
71 views

Session Management for Private Key Passphrases in a Web Application

Use Case I would like to encrypt data in a database for a Web Application. The following requirements exist: Decryption should only be possible when a user provides a passphrase Encryption should ...
0
votes
1answer
49 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
70 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 ...
4
votes
5answers
2k views

Is a cookie safer than a simple HTTP header?

I was recently told that a cookie is "safer" than a regular old HTTP header, which is safer than a URL parameter, particularly when passing around access tokens. What is the reasoning behind a cookie ...
2
votes
1answer
107 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 ...
3
votes
1answer
637 views

Are passwords stored in the cookie? encrypted?

Whenever I connect to security.stack.exchange, I am automatically logged in. I haven't allowed the browser to store my password. When I delete all cookies stored by the security.stack.exchange, I have ...
0
votes
1answer
70 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 ...
3
votes
2answers
124 views

Could HTTPS-Attacks like CRIME be mitigated by changing the session cookie regularly?

I was just reading about CRIME which is an attack to steal sensitive information by creating requests. Could this attack be mitigated, if the Server wouldn't send the client the actual session key to ...
4
votes
2answers
234 views

Why Sniff Session Cookies when UN/PW should also be available?

I've recently been reading on session cookies and how they can be hijacked via man-in-middle attacks. It seems this is mainly possible on an unencrypted connection between a client and a webserver. ...
2
votes
3answers
724 views

Is it possible to force a browser to use http in an ssl enabled (https) website?

I was doing a security research on storing the session id in local storage instead of storing it in cookies. I understand that it is not possible to tag the values in local storage as HttpOnly and so ...
0
votes
1answer
48 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?
1
vote
4answers
162 views

How to exploit this include_once vulnerability in PHP?

I'm performing static analisys on a PHP code and came across with this situation: include_once SYSTEM_PATH . 'languages/content-' . $_COOKIE ['lang'] . '.php'; If I try to hack with this HTTP ...
6
votes
4answers
1k views

Use cookies once stolen

I have seen many posts about stealing cookies, as a matter of fact I have taken advantage of the XSS vulnerability to send the cookie to my php through a variable in the url to a php, and that php ...
0
votes
1answer
80 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
votes
1answer
136 views

Sharing RSA Public Key for decrypting JWT amongst Load Balanced servers

I'm trying to implement a cookie-less authentication mechanism for a web API that is stateless on the server (does not store session tokens) and can be load balanced across several servers. I have ...
1
vote
1answer
57 views

Securing an OAuth / OpenID Connect identity in a cookie for easy login

I have a website that uses Azure Active Directory or Google+ for logging in. I go through an OAuth2 login flow, and the users email along with their tokens are returned to me by their identity ...
7
votes
1answer
799 views

Why does every site makes me acknowledge cookie usage? [closed]

In the last year or so every other site on the net started showing different kinds of notification that they're using cookies and I should be aware of it. The sheer number of different sites doing ...
2
votes
1answer
64 views

Conversant, CNAME, Cookies, and PCI complaince

We have been asked to evaluate Conversant Tracking. http://www.conversantmedia.com/solutions/enterprise-solutions From what I can tell its pretty straight forward tracking, like google re-marketing, ...
5
votes
1answer
852 views

What kind of vulnerability would this exploit?

We're currently having our website pentested, and looking through our logs, a cookie we set (our allowCookies cookie) has had the value set to ...
3
votes
3answers
166 views

Where are the user credentials stored when remember password is selected?

Provided a user has chosen the remember me option while logged in last time into a web application,how does the web application server identifies the user next time when he logs in? The credentials ...
1
vote
1answer
55 views

How can non-secure or non-https-only cookie affect security of an HSTS website?

If a website is running on HSTS and it is setting about 20 cookies. Out of those 20 cookies 15 are both secure and https-only and remaining 5 are neither. In this scenario, in what all ways can we ...
-4
votes
5answers
173 views

What is the difference between session fixation and session recreation?

I have read that both of them are conventionally the same. But there must be a few differences which differentiates the two terms. Anyone please explain.
2
votes
1answer
51 views

What will disabling third party cookies block?

What is the difference between 1st party cookies and 3rd party cookies and what are the pros and cons of disabling it? Will facebook and google (and other ad companies) be completely unable to track ...
1
vote
1answer
123 views

Is my authentication persistence system design secure?

This system is for a personal file upload and sharing web application made with PHP. When a user logs into the application, it has the option to "stay logged in" after closing and reopening their ...
1
vote
2answers
95 views

Will the cookies crumble when it comes to proxy servers?

One important use of proxy servers as I understand reading Wikipedia is to keep you anonymous from other servers by acting as a middle-man. If that is indeed the case, consider the following ...
1
vote
1answer
81 views

Cookie Tossing explained

Can someone explain to me what cookie tossing is? and how it can be used to hijack someone's session? and also how can we prevent it? I am a bit confused about this subject.
3
votes
1answer
801 views

CakePHP Set-Cookie Response Header

I am familiar with the cakePHP cookie and session settings but I am unsure as to why (when analyzing through the Burp Proxy Suite I am finding 2 separate Set-Cookie responses: Set-Cookie: ...
0
votes
2answers
95 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
2answers
151 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 ...
-1
votes
1answer
62 views

What is cookie reverse engineering? [closed]

I want to know what is this cookie reverse engineering and how to do this is simple words. Thanks in advance.
2
votes
2answers
278 views

How to avoid session fixation (Login CSRF) by MitM attack without HSTS?

I'm writing a web app that already uses TLS encrypted connections (HTTPS), Secure; HttpOnly session cookie, HMAC-SHA1 CSRF token, requires correct Referer header to avoid Login CSRF and changes ...
1
vote
1answer
61 views

Logging in users automatically on a website

I'm making a website that has an extended forum feature, where users can login, post comments, etc. I'm making the feature where the website stores cookies in your computer so the next time you visit ...
2
votes
1answer
95 views

Is this a safe way to identify users connecting to a chat server?

Before I start, all information will go over HTTPS. So, my website is basically like a forum with the authentication part finished and working. This forum has a real time chat application that sends ...
0
votes
0answers
99 views

How to disable x-oracle-dms-ecid cookie

During a security audit, our cliente found that we are sending to the cliente a cookie called 'x-oracle-dms-ecid'. They asked to disable it or change its name. We have been reading all the Oracle ...
0
votes
1answer
206 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 ...
17
votes
6answers
8k views

Secure Session Cookies

While looking up methods for creating secure session cookies I came across this publication: A Secure Cookie Protocol. It proposes the following formula for a session cookie: cookie = user | ...
2
votes
3answers
100 views

Flash cookie and man-in-the-middle

I am using the Scala Play web framework. In it, there is a PLAY_FLASH cookie used to flash messages to the user (it's a cookie so it will still work after several redirects). I put HTML in the cookie ...