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Questions tagged [security]

For posts about security issues centered around Stack Exchange. If you think you found a serious security vulnerability, please report it on the Security page found at https://stackexchange.com/about/security. Do not post such reports on Meta!

10
votes
0answers
96 views

The mobile app shows too informative login error messages

Today when I was moving to a new Android phone, I have noticed that when I typed my account password incorrectly, the message I have received was "Error while attempting to login: Bad password". Out ...
23
votes
2answers
211 views

A suggested edit cuts out allegedly malicious links. How do I safely check that claim and what review action do I take?

I came across this suggested edit on Movies.SE this morning. The edit cut out two shortened links (TinyUrl), claiming they linked to a virus, and added a disclaimer not to click said links in the ...
1
vote
1answer
275 views

Possible to vote to close for old, decommissioned close reasons (with proof of concept)

tl;dr install this user script, and it becomes possible to vote to close for old close reasons such as "not constructive" and "too localized". After doing some twiddling with Stack Exchange ...
4
votes
1answer
54 views

URLs for deleted questions get SEO'd automatically - is this a security issue? [duplicate]

When a user visits the link of a deleted questions, he can still see the title in the address bar. For example, when I go to https://stackoverflow.com/q/1, which is a deleted question, it redirects ...
38
votes
1answer
220 views

Users are able to register apps that look official (for phishing)

Recently, a user was able to register an app with the name "StackOverflow". Alarmed, I tried it myself. If you click this authorization link, you will see: ... which sure looks official. This is ...
9
votes
1answer
119 views

Why would StackExchange logs show me logging in *from* a stack exchange server?

Looking at my login history (at https://openid.stackexchange.com/user) I see I've logged in several times from the IP address "198.252.206.71" but according to a quick whois search, that IP belongs to ...
2
votes
0answers
137 views

Broken or wrong links in Security Hall of Fame

The Security Hall of Fame contains two problematic links: The link to jeremy.ca points back to Stack Overflow. The link to Russel Van Laurio facebook profile leads to 404 Page Not Found error ...
4
votes
2answers
105 views

Where to ask about improvements for a security scenario?

I'm building a mobile application that transfers points between users via QRCode. I'm concerned about security and am looking for effective simple yes secure algorithm to use. What is the best ...
0
votes
0answers
36 views

Does StackExchange have any plans to offer 2-factor logins? [duplicate]

I've recently got hold of some Feitian U2F dongles and have been busily securing my online accounts. I was somewhat surprised to see that StackExchange currently doesn't seem to offer anything beyond ...
11
votes
1answer
119 views

Prevent users from sharing private keys in cryptocurrency related communities

Being an active member of the Ethereum Stack Exchange community, I stumble upon many threads started by new users containing sensitive information about their digital wallets - private keys and 12-...
17
votes
2answers
477 views

Can a hacker who hacked a Facebook account access security.stackexchange.com through their linked OAuth account?

Recently Facebook was hacked with 50M accounts compromised. I just got a message from a moderator of Stack Exchange site Information Security that my account has been suspended. I'm writing ...
4
votes
3answers
172 views

Email from Stack Exchange with a Python file attached

I received an email from Stack Exchange with a Python file attached, and it seemed suspicious. I thought y'all would want to take a look. email: From: "Stack Exchange" <do-not-reply@stackexchange....
2
votes
1answer
92 views

How to login to SE sites that don't support SEOpenID without giving them my SEOpenID password?

When I'm already logged into openid.stackexchange.com (aka SEOpenID) then I am able to log into stackexchange.com (aka SE) by simply clicking the button "Login with Stack Exchange". I am not asked for ...
11
votes
0answers
103 views

Did Stack Exchange manage to hire a Director of Information Security?

According to How is the security bug bounty program doing?, Stack Exchange is hiring a Director of Information Security. We are in the process of hiring a Director of Information Security who will ...
53
votes
1answer
368 views

Your handling of security reports is disappointing

I'm trying to get a security vulnerability on a Stack Exchange domain fixed for about 8 months, but the lack of progress and communication is frustrating. Unfortunately, asking for status updates ...
12
votes
1answer
206 views

Dealing with highly sensitive personal information in a post

Recently, I found a user had posted a complete copy of their credit card magstripe in a question on Security SE. As I did not have 2k rep on that site at the time I could not force an edit to hide the ...
14
votes
1answer
187 views

How is the security bug bounty program doing?

Last year, SE announced setting up a HackerOne Security Bug Bounty Program in private beta mode, which has received tons of positive feedback. Since then, it seems there haven't been any public ...
18
votes
1answer
252 views

I reported a security issue but didn't hear back

Ten days ago, I reported a cross-site scripting bug on a stackexchange.com subdomain, and two days ago, I inquired if my report was received and whether I could help with further information. But so ...
4
votes
0answers
51 views

Subscription removal susceptible to CSRF attacks?

It seems to me that the subscriptions tab in the profile settings page is susceptible to CSRF attacks since the links to remove yourself from subscriptions are just plain html links. Please correct if ...
8
votes
3answers
211 views

Keeping answers related to security up to date

A paper was recently published partly about Stack Overflow, specifically relating to how a number of the accepted answers in relation to Java security were out of date and even dangerous given recent ...
240
votes
5answers
10k views

Setting Up a HackerOne Security Bug Bounty Program

We at Stack Overflow are interested in setting up a security bug bounty program to begin rewarding users monetarily who report serious security vulnerabilities to us, and we want to know what the ...
-3
votes
2answers
1k views

Enabling Dance Dance Authentication [closed]

So I saw the Dance Dance Authentication post: https://stackoverflow.blog/2017/03/30/stack-overflow-unveils-next-steps-computer-security, and I thought it sounded pretty cool. But, I can't figure out ...
-16
votes
1answer
125 views

Why hadn't SE had HTTPS for a long time?

I'm novice in security, but after reading the post Network-wide HTTPS: It's time I'm confused. As in the answer of Better HTTPS support for Stack Exchange sites, having an SSL certificate is not ...
14
votes
1answer
185 views

Was the Stack Exchange network affected by the Cloudflare parser bug?

Cloudflare disclosed a memory leak incident in their software, which could lead to: returning memory that contained private information such as HTTP cookies, authentication tokens, HTTP POST bodies,...
-6
votes
1answer
148 views

“this user prefers to keep an air of mystery about them” - can this wording be changed?

I'm posting this question anonymously for obvious reasons. It should be on meta, but I can't post there anonymously. It would be great if someone would move it there. The new head of the Department ...
2
votes
0answers
34 views

Why does this site not require login after new browser session? [duplicate]

To clarify: I've set this site to not remember me. This seems to be ambiguous on different sites now as that can either mean to not keep track of my credentials locally and to keep me logged in or to ...
23
votes
1answer
229 views

How did TIBCO / Marketo obtain my Stack Exchange profile e-mail address for spamming?

My Stack Exchange profile has a specific e-mail address that I use on no other Internet site, and should be unguessable. My Developer Story is set to private. My profile has an uploaded image, not ...
16
votes
1answer
256 views

How will Stack Exchange ensure security of adverts?

I have absolutely no problem with the principle of proper adverts (i.e. Adverts that are relevant to the audience, and only appearing in the small sidebar like existing ones etc.) however the concern ...
5
votes
0answers
97 views

Enable Content Security Policy on Stack Exchange

I think it would be a good idea to enable Content Security Policy on Stack Exchange. With CSP it's possible to disable inline scripts, and that can improve security. For example, some time ago I ...
3
votes
0answers
129 views

McAfee SiteAdvisor has a false positive on certain skeptics.SE questions

McAfee SiteAdvisor seems to suggest that this question on skeptics.SE is a security risk, and them it nags me that there is a risk. This happens for several other questions as well. The site report ...
1
vote
1answer
82 views

Getting popups and popunders on SE homepages today only - is it just me? [closed]

On two separate devices (Android and Windows 7, Opera and Firefox, logged in and logged out) on two separate internet connections, I'm getting pop-ups and pop-unders (this page opened in a new tab, ...
4
votes
1answer
64 views

Where can I ask about how to deal with Magento hacking and security?

Recently my client's Magento store was hacked and I want to know more information about this Magento hacking. So where should I ask questions about Magento hacking, Information Security or Magento?
12
votes
1answer
69 views

Remind people posting about [security] that vulnerabilities shouldn't be posted on Meta

This question was posted here on Meta today, detailing a security vulnerability in chat. stackexchange.com/about/security says: Please do not post serious security issues publicly on a meta site ...
19
votes
2answers
421 views

Chat links expose a pretty serious JavaScript exploit

So I learned something rather surprising today and it's pretty scary. I'm actually stunned neither Chrome/Google, nor Mozilla, have plugged it. First, the logistics of how I ran across this I linked ...
3
votes
1answer
79 views

Yahoo breach - what are the consequences for Stack Exchange OpenID logins?

So Yahoo was hacked by a state sponsored attacker, and half a billion credentials were compromised. These credentials also allow access to the OpenID network, which is one of the ways you can login to ...
8
votes
1answer
368 views

If an account gets hijacked and used for posting illegal material, will Stack Exchange be willing to cooperate with local attorneys?

It makes several years that this post is status-planned. There are reason to consider it won’t be status-completed in the upcoming years. So whatever I can do, my account can be hijacked anytime ...
-16
votes
1answer
201 views

Exploiting Stack Exchange with the browser console

I viewed the source of a page on Stack Exchange and I discovered that all the up-vote buttons share the same CSS class and so do all the down-vote buttons. That got me thinking: what if user(s) ...
44
votes
1answer
454 views

Establishing a Security Bug Bounty Programme for Stack Exchange [duplicate]

Following on from a conversation with @shog9 on the DMZ, it was suggested to raise this here. At the moment SE has a security contact page which details how to contact SE regarding security issues, ...
3
votes
0answers
33 views

Is this an attempt at fraud/impersonation? stockoverflows.com [duplicate]

I just stumbled upon stockoverflows.com, which seems to be an attempt to impersonate the Stack Overflow website. Should something be done about this? At first thought, I'm concerned about the ...
18
votes
1answer
174 views

Don't tell me which of my credentials is wrong

If I mistype my username or password when logging in to Stack Exchange, the red dialogue box tells me which was incorrect. If an attacker correctly guesses an email address present in the database ...
36
votes
0answers
491 views

Logins can be added/removed without reauthenticating, allowing temporary XSS to be escalated to permanent account hijacking

When you're logged in to a Stack Exchange account, it's possible to add and remove logins (associated OpenID/OAuth accounts) without performing any form of reauthentication. This is not a full ...
10
votes
0answers
45 views

Add a 'I have found a security-related issue' line to the reasons combobox in the 'Contact us' form

Related: Should I report a serious security issue on meta? How do I report a possible security vulnerability? Rationale: discoverability without having to jump through several hoops. Side note: ...
26
votes
3answers
338 views

How to handle possible user tracking through images?

I have come across a site-meta question that ended up on the Hot Meta Posts side bar. At the time of writing, that post has about 1000 views. Accidentally I noticed that OP used his own server (his ...
33
votes
3answers
167 views

Let's show users an audit of account activity

So, someone had a bit of a startle the other day after realizing someone was trying to troll them by creating a parody profile. These shenanigans are fortunately pretty rare in that they actually turn ...
6
votes
0answers
41 views

It would have been nice to know that shared links include my user id [duplicate]

I noticed that every short-link/permalink that I share while I'm logged in includes my user id. It would have been really nice if the UI had highlighted this fact in the link sharing popup so that ...
3
votes
0answers
34 views

Bad SSL/TLS at Stack Exchange: Cloudflares SSL certificates and sometimes no HTTPS at all [duplicate]

Cloudflare Cloudflare has the options Universal/Flexible SSL, which basically allow websites to serve their website over HTTPS by using a certificate from Cloudflare. Besides the fact that ...
4
votes
2answers
53 views

How does Stack Exchange prevent all its contents from being stolen through its API?

There's something I have hard time to understand with this world of APIs: when you have your WebApp/MobileApp ecosystem entirely based on an API giving access to your database, how do you prevent all ...
2
votes
0answers
136 views

Allow framing of links to current site in stack snippets

Over at PPCG.SE (CodeGolf.SE), we regularly use stack snippets for leaderboards for our programming challenges. However, the snippets feature prevents our leaderboards from having links to the answers....
8
votes
1answer
50 views

Make information on own login history and other sessions visible to user

I think that a really important security feature, which SE lacks, is that there is no login history. Well, at least, it is not displayed to normal users about their accounts and only to moderators. ...
-2
votes
2answers
83 views

How to escape cyberstalking without losing points and reputation?

Suppose someone is cyberstalking me on Stack Exchange. They could gain quite a lot of insight on what I am doing by simply reading my posts. I could create a new account, but that would mean losing ...