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Questions tagged [chrome]

Popular web browser by Google, see chrome.google.com for more information.

65
votes
4answers
149k views

Google Chrome “Your connection to website is encrypted with obsolete cryptography”

Google Chrome is showing new information in the certificate section. Is this a big deal? If so how can I fix it on the server end? EDIT: Thanks for the answers but I'm not skilled in cryptography so ...
156
votes
4answers
117k views

What exactly does it mean when Chrome reports 'no certificate transparency information was supplied by the server?'

When visiting Gmail in Chrome, if I click on the lock icon in the address bar and go to the connection tab, I receive a message 'no certificate transparency information was supplied by the server' (...
52
votes
5answers
14k views

IMG tag vulnerability

Is it safe to display images from arbitrary domains? I.e. let's say I have an image on my page: <img src="http://badguy.com/image.gif" /> What if image.gif will return some js attack vector, ...
46
votes
2answers
16k views

Worst case scenario, what can a Chrome extension do with “Your data on all websites” and “Your tabs and browsing activity”?

Chrome extensions, and just like other browsers, appear to often get quite some extensive access to your browser data. In fact, most extensions I've installed require access to: Your data on all ...
30
votes
3answers
3k views

Are official browser add-ons really safe?

Almost any browser addon/extension that I install on my Chrome or Firefox (be it Firebug, RESTClient, ...) warns me, saying: It [the add-on] can: Access your data on all website Access ...
22
votes
2answers
1k views

Is there a way to make the browser remove the login-password from it's memory immediately, like Chrome seems to do on accounts.google.com?

I did some testing, and found that a memory dump of Chrome doesn't hold the password of gmail.com/Google after logging in to that site (the login happens on accounts.google.com). (My System is ...
16
votes
1answer
11k views

Why would Chrome not display a padlock icon at all on an SSL site?

I have an internal website running on SSL, but when going through it in Chrome, I don't get a padlock icon at all: However, clicking it does show that the site is encrypted. There are a bunch of ...
188
votes
3answers
34k views

Don't understand how my mum's Gmail account was hacked

My mum (on Gmail, using Chrome) received an email from a friend's Hotmail address. She opened the email (very obviously a phishing email) and clicked a link in it. This opened a webpage with loads of ...
13
votes
1answer
18k views

Does Google Chrome protect against cross site scripting (XSS)?

In Firefox I've been using the NoScript extension to protect myself from certain kinds of malware attacks. NoScript is well known as a very powerful extension for Firefox and introduced protection ...
20
votes
6answers
13k views

Is Chrome completely secure against Reflected XSS?

I notice that Chrome does not execute scrips that are part of the web request, http://vulnerable_site?pageTitle=<script>alert('xss')</script> With such links since the script is as part ...
18
votes
6answers
3k views

Is Google Chrome a more secure browser?

I was amazed that IE 8, Safari, Firefox were hacked so fast at Pwn2Own 2010. Is Chrome really so good or was it not tested? Has anyone other results of independent investigations about security of ...
8
votes
1answer
9k views

Why is secp521r1 no longer supported in Chrome, others?

Found a few issue threads, notably for Chrome (Chromium issue #478225), and the browser does appear to have dropped support for the secp521r1 curve (can test your browser using SSLLabs). There were ...
9
votes
4answers
10k views

Man-in-the-middle Blue Coat proxy SSL or what?

I have just discovered that my workplace has enabled some new features in the Blue Coat network proxy. It seems like all HTTPS certificates in Chrome on Windows are being issued by this internal ...
9
votes
2answers
9k views

My site has Certificate Transparency enabled but Chrome is still showing NET::ERR_CERTIFICATE_TRANSPARENCY_REQUIRED

I have a site called www.goflyla.com and I purchased the SSL cert from RapidSSL with Certificate Transparency enabled. SSLLabs give a green line saying Certificate Transparency: Yes (certificate): ...
27
votes
4answers
17k views

What Trusted Root Certification Authorities should I trust? [duplicate]

After two recent Slashdot articles (#1 #2) about questionable Root Certificates installed on machines, I decided to take a closer look at what I have installed on my machines. (I use current versions ...
18
votes
4answers
27k views

Remove RC4 from SSL/TLS ciphers in Chromium

Recently I started to live without RC4 within my Firefox session. Discussion about it can be found here. While it is quite easy in Firefox (Enter about:config and then rc4), I found no possibility to ...
21
votes
1answer
38k views

Chrome >50: Where can I see the negotiated cipher suite?

This is about Chrome 50 and later. When visiting an https site, where can I find the negotiated cipher suite? I know where to find this info in previous versions of Chrome but I'm not able to find it ...
19
votes
2answers
3k views

Why do Chrome extensions need access to 'all my data' and 'browsing activity'?

Often I install simple add-ons for Google Chrome. However, they almost all need what appears to me as excessive access to my data. For instance, I install an extension that allows me to click on any ...
16
votes
3answers
3k views

Why do Firefox and Chrome “leak” critical security information out of the browser and how can I stop it?

In studying SSL / TLS handshakes and encryption, I found a method that describes how to export the SSL / TLS session keys from Firefox to an user or environmental variable outside the browser, and ...
4
votes
3answers
20k views

Chrome showing cryptography as 'obsolete' [duplicate]

Similar to this question, Chrome is showing the connection cryptography as obsolete. Opera, IE and Firefox seem perfectly fine with the connection. My guess would be the message authentication is ...
14
votes
3answers
144k views

HTTPS icon red and crossed out - Chrome browser

What does it actually mean when the HTTPS icon is red and crossed out in Chrome? Does this mean that the site is vulnerable to a Man in the Middle Attack? Is it safe or not?
4
votes
2answers
1k views

How do I protect my passwords from WebBrowserPassView?

I just got shocked with what can be achieved with WebBrowserPassView. It basically shows every password I've saved in my browser (Chrome). I guess other users on my PC could get my passwords that ...
4
votes
3answers
242 views

Could Google Chrome's lack of a download confirmation dialog be a security vulnerability?

Suppose the user is playing a game like flappy bird that requires constant tapping in the lower left area of the screen (where the downloaded file needs to be clicked). Then while the user is ...
0
votes
2answers
867 views

Where does Google search take my geolocation from?

After a bit of googling, found that the gs_l parameter that gets automatically appended to my google queries is my real location encoded in some way. The thing is, there is no sign of me having it ...
10
votes
2answers
25k views

Obsolete cryptography (SHA1) warning although certificate uses SHA256

I ordered a certificate with SHA256 from Comodo and was wondering why Chrome shows this message: Your connection is encrypted with obsolete cryptography. The connection is encrypted using ...
3
votes
1answer
5k views

Is bit.ly a malware distributor?

I clicked this link http://girlsguidetosurvival.wordpress.com/ Chrome gave me this warning - Attackers currently on bit.ly might attempt to install dangerous programs on your computer that ...
127
votes
9answers
60k views

How secure is Chrome storing a password?

Whenever I enter a login into a new site, Chrome asks me if it should store the login details. I used to believe this was fairly secure. If someone found my computer unlocked, they could get past the ...
17
votes
2answers
8k views

Securing Google Chrome Browser against the Logjam exploit on Windows

Is there a way to fix Chrome against the Logjam TLS exploit on Windows? I have updated my Chrome to the latest version yet the https://weakdh.org/ website warns me that "web browser is vulnerable to ...
8
votes
4answers
964 views

What are the effects of the Chrome Web Developer extension hijack?

Today, the owner of the rather popular Web Developer toolbar noticed it had been hijacked and replaced with a malicious version. He disabled it, but the malicious version (diff) had been in the wild ...
8
votes
1answer
4k views

TLS 39 month certificate limit and Chrome's NET::ERR_CERT_VALIDITY_TOO_LONG error

Late last year the CA/Browser Forum decided to limit the maximum valid term of TLS/SSL certificates issued after 1 April 2015. After this time, as the official guidelines put it.. CAs SHALL NOT ...
6
votes
2answers
552 views

How to configure Chrome to stop external websites accessing my router?

Yet another serious router vulnerability has been disclosed: https://www.exploit-db.com/exploits/40889/ This is a command execution vulnerability through the web interface. I'm not too concerned ...
17
votes
1answer
849 views

How to verify Google sign-in screen is legit? (Linux Desktop) [duplicate]

I've installed an Electron app "Google Play Music Desktop Player" which presents a Google login screen: This is in a standalone window with no URL displayed. Although I have no reason not to trust ...
9
votes
1answer
1k views

How do I check the code of a Chrome extension to make sure it's not stealing my info?

I've been reading more and more about just how much access browser extensions can have to your data. This is a little unsettling, so I'm curious if there is a way to Vet these extensions and make sure ...
9
votes
1answer
5k views

are chrome extensions in the Chrome store generally safe?

Should I ever be worried about installing any chrome extension from the Chrome store? A lot of the Chrome extensions I have, have the permission "Read and change all your data on the websites you ...
12
votes
1answer
958 views

Danger of browser extension without any permissions?

Assuming that an extension for Firefox or Chrome does not request any WebExtensions permission, what harm could this extension do? Or put another way: What (potentially malicious) actions can an ...
8
votes
3answers
16k views

Chrome does not show green bar with EV SSL but firefox and IE does

I just installed a EV SSL certificate on my server. It has been done correctly and is working, the issue is that Chrome does not show the company name in the green address bar, just shows the green ...
8
votes
2answers
2k views

Are X.509 nameConstraints on certificates supported on OS X?

I have the following "chain" of certificates on a test machine right now: A self-signed CA cert, in my Keychain and trusted & trusted by Firefox. A CA cert with with the following, X509v3 Name ...
7
votes
2answers
142k views

What is s3.amazonaws.com, and why is Chrome blocking it?

Lately, whenever I click on a download link in Google Chrome, it redirects to another link starting with s3.amazonaws.com, which in turn gets blocked either by Chrome or by my Antivirus (Comodo ...
5
votes
1answer
911 views

Regarding Windows password and Chrome's 'Remember password' Feature

Google Chrome browser helps in password management by prompting users to remember their passwords for the websites. These saved passwords can be accessed from the browsers "settings" menu, and to do ...
6
votes
2answers
137 views

Can a web app fingerprint your device as identical to a native app's fingeprint

I have installed an app on Android and my account got shadowbanned. I sniffed out the traffic with fiddler and see they use a analytics service that assigns your device a fingerprint. I tried the web ...
5
votes
3answers
296 views

Is my Google session safe when my computer is logged out or locked?

I've recently uploaded all the family photos to my Google Drive account. I have a strong password and 2 step verification enabled on my Google account. My home computer is (naturally) trusted and ...
4
votes
1answer
887 views

What are the disadvantages of Google Safe Browsing?

I'm currently undertaking my thesis regarding phishing detection. I understand that Google Safe Browsing relies on a constantly updated blacklist in order to classify webpages. Their blacklist does ...
4
votes
1answer
3k views

Different SSL states as seen by Safari, Chrome and Firefox

Today, I visited some sites of the German DHL group. While Chrome and Safari complain about an invalid certificate of Firefox accepts it. Which one is right, which one is wrong? Which decision ...
4
votes
2answers
133 views

Why would a modern browser allow internal resources to be loaded from an external page

Recently someone announced that several Arris surfboard models lacked any form of authentication to perform functions such as reboot and factory reset a modem with a single http call. Read more on ...
3
votes
2answers
3k views

Do most browsers handle mixed encrypted and unencrypted content correctly?

In Google Chrome, when I go to an encrypted page that contains unencrypted content, I get the following pop-down, which allows me to either load or not load the insecure content, making a clear ...
3
votes
2answers
1k views

SSL browser session keys

I am trying to export/write the SSL master secret and keys to a file from the chromium browser. I would appreciate if someone could advice me how to do this. To write the premaster secret we can ...
3
votes
2answers
328 views

Chrome: Found a crash, is it a security vulnerability?

I have been able to make Google Chrome crash, and I was wondering if there are tools or heuristics to determine whether or not the crash is a security vulnerability. How can I determine if a Chrome ...
0
votes
2answers
2k views

How did piratebay.se search engine get in Chrome as an “other search engine”

I have an IT client with a user who had piratebay.se/... listed within his Chrome's (v39, 64-bit, OS X, 10.10.1) "Other Search Engine" section. I know a user could manually add it and suspect the ...
8
votes
1answer
1k views

How do I securely embed an <img> tag using a user-given URL?

If I hypothetically wanted to allow users to use an avatar from an arbitrary URL like this: <img class="avatar" src="{user input}" /> There are many problems that I can think of: There are ...
6
votes
2answers
6k views

Password management in Firefox, Chrome and Safari

I just read a couple of very interesting discussions on Chrome password security strategy. Chrome’s insane password security strategy Showing stored passwords - Tim Berners-Lee The following is how ...