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

learn more… | top users | synonyms

174
votes
3answers
30k 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 ...
146
votes
4answers
90k 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' (...
64
votes
13answers
9k views

Should I allow browsers to remember my passwords and synchronize them?

I wonder, how wise is it to allow Chrome and Firefox to a) remember the passwords b) synchronize them? My gut tells me that if it's not man in the middle who can intercept them, but Google and Mozilla ...
53
votes
4answers
107k 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 ...
33
votes
5answers
6k 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, ...
24
votes
2answers
4k views

Why I am getting Facebook login pop up for every site?

My Chrome browser keeps prompting me for Facebook authentication, even though I have never logged on to Facebook from my PC. I am using Chrome browser from my company where they have a strong proxy ...
23
votes
3answers
4k views

How is Google Chrome managing authentication to sites?

In Chrome, every tab is its own process. Yet, logging in to a site, say, Facebook, persists across tabs. For that matter, in many cases, it persists across OS reboots. This seems inherently very very ...
21
votes
3answers
1k 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 ...
20
votes
2answers
7k 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 ...
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 ...
17
votes
4answers
23k 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 ...
17
votes
2answers
7k 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 ...
16
votes
4answers
9k 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 ...
15
votes
1answer
6k 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 ...
15
votes
2answers
2k 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 ...
15
votes
1answer
184 views

Preventing a site from appearing in the 'Most Visited' or 'speed dial' section of a web browser

Are there any established ways of preventing a website from appearing as an icon on the 'Most Visited' / 'Speed dial' / start page of a web browser? One example of this is the tab that opens by ...
13
votes
2answers
1k views

Google Chrome says “Your connection to example.com is encrypted using an obsolete cipher suite.”

I get following info when I click on lock icon on address bar: I have couple of questions: Q1. What are the security concerns here? Q2. Even after 'obsolete cipher suit' message, Chrome is able ...
12
votes
2answers
1k views

Any tool for scanning vulnerabilities in browser extensions?

I am scanning browser extensions of Chrome and Firefox for vulnerabilities. Is there any tool which would help me do this?
11
votes
5answers
6k 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 ...
11
votes
2answers
1k views

How safe is it to use developer's version of the browsers [closed]

I have heard that the developer versions of browsers (chrome and firefox) are less secure than stable versions of them. Is it true? Is there any sense in using developer editions of browsers for ...
11
votes
1answer
11k 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 ...
10
votes
1answer
1k views

Distinguish between Wi-Fi Captive portal and MitM attack

Not sure whether this should be asked in Super User or here. How does Chrome distinguish between a Wi-Fi access point intercepting with a captive portal and a man-in-the-middle attack on HTTPS? Are ...
9
votes
2answers
13k views

Is there any way to get Chrome 27 to trust a self-signed cert? [closed]

I'm running latest gen Chrome (27) and preparing a demo that requires using a self-signed cert to support HTTPS on a local IIS website. The cert has been created with the correct common name for the ...
8
votes
3answers
746 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 ...
8
votes
1answer
724 views

Comparison between Firefox password manager and chrome password manager

As a follow up to Is saving passwords in Chrome as safe as using LastPass if you leave it signed in?, I would like to know how firefox's password manager compares, if you have a master password and ...
8
votes
1answer
2k 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 ...
7
votes
2answers
6k 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 ...
7
votes
2answers
7k views

Checking domains HSTS status

The Google Chrome browser offers a quick way to check a domain's HSTS (HTTP Strict Transport Security) status via the page chrome://net-internals/#hsts (section Query domain). The query result looks ...
7
votes
3answers
10k views

Why is Chrome asking for the application-specific password and my account's password every time? [closed]

I enabled Google's two-factor authentication and found it ironic that Google Chrome Sync requires #1 You account password, and #2 an application-specific password. First of all, don't applications ...
7
votes
2answers
261 views

What security measures does Chrome have in place to sandbox different user accounts?

Google Chrome has a feature that allows different users to use Chrome on the same computer in a completely separate space. The support page is quite light on information. Is there information ...
7
votes
1answer
574 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 ...
7
votes
2answers
15k views

Can running a browser in Windows Compatibility Mode be a security issue?

I have several clients that are having trouble logging into vendor's web service. When talking to the vendor about the issue, they told me to set them up with Chrome running in Windows XP ...
7
votes
1answer
431 views

Google Chrome & Spear-phishing

I've been trying to find some information on how Google Chrome detects phishing pages that are not already in their blacklists. The most relevant information that I've found from Google itself, states:...
7
votes
1answer
2k views

How to make Firefox ignore the X-XSS-Protection response header?

I have two questions: How can I make Firefox ignore the X-XSS-Protection header? I have a website which sends an X-XSS-Protection: 1 header and I want my Firefox to ignore that header, because it ...
6
votes
2answers
9k 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 ...
6
votes
4answers
6k 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 ...
6
votes
1answer
273 views

Understanding a vulnerability

http://code.google.com/p/chromium/issues/detail?id=68439 I am having a little bit of trouble understanding this report. From what i have read, it appears as though removing certain dom nodes ...
6
votes
3answers
78k 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?
6
votes
1answer
2k views

Is Vimium (Chrome extension) really safe?

I really like the Chrome extension Vimium. It significantly speeds up surfing for power users. However, when you install it, Chrome warns you because this extension injects JS code on every page you ...
6
votes
3answers
776 views

Ali Express hijacking my Chrome

So randomly every now and then, when I click on a link - instead of opening it normaly, a new tab is opened and some website with "tracking" in the name (I haven't caught the full name yet, it's quite ...
6
votes
3answers
737 views

Favicon Redirection Possible Security Flaw

I have the domain example.com When I enter the URL https://api.example.com, Chrome loads the page and also tries to load https://myapp.example.com/favicon.ico, and that request receives a 301 ...
6
votes
1answer
1k views

When and Why does Chrome display malware detection warning?

Google Chrome contains malware detection feature. When user visits some site, browser may display warning that site contains malware. What does it mean that site contains malware? Does it mean that ...
6
votes
1answer
323 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
1answer
137 views

Third-Party-Cookies Tracking - Google Chrome

I've read an article about third-party-cookies which explained that in Google Chrome disabling third-party-cookies will not stop the browser from sending third-party-cookies. So when I visit Facebook ...
5
votes
2answers
3k views

What does “sandboxing” mean for Chrome OS? [duplicate]

I read about Chrome OS in the security section, and I was wondering what the meaning of "sandboxing" that they keep mentioning is. Is this sandboxing like Selinux or Apparmor ?
5
votes
3answers
219 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 ...
5
votes
1answer
94 views

Why do Chrome and OpenSSL disagree over signature algorithm?

$ openssl version OpenSSL 1.0.2h 3 May 2016 $ openssl s_client -connect winkel.vpro.nl:443 < /dev/null 2>/dev/null | openssl x509 -text -in /dev/stdin | grep -i sha Signature Algorithm: ...
5
votes
1answer
4k views

Are my passwords saved in Google Chrome safe when I'm logged out?

I understand that Chrome uses the OS's password storage mechanism to protect passwords on your computer. 1 I also understand that these passwords can be (in my case, are) protected with a passphrase ...
5
votes
1answer
12k views

Vulnerability of Chrome's “Login Data” file after being orphaned from the host system

Suppose someone were to knick a "Login Data" file from a Windows computer's Google Chrome profile. They don't know the machine's user account password, but they may have some ideas as to what it ...
5
votes
2answers
5k 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 ...