Gentoo Archives: gentoo-user

From: Grant <emailgrant@×××××.com>
To: Gentoo mailing list <gentoo-user@l.g.o>
Subject: Re: [gentoo-user] {OT} Allow work from home?
Date: Sun, 24 Jan 2016 15:56:34
Message-Id: CAN0CFw0uQX+TCqOSx+dqLeCxAOsJH-h3eQ+1koF9t3YnHa2KeQ@mail.gmail.com
In Reply to: Re: [gentoo-user] {OT} Allow work from home? by Mick
1 >> >> > However, this won't do away with XSS, or other similar attack vectors
2 >> >> > if
3 >> >> > the users are not careful with their browsing habits.
4 >> >>
5 >> >> Can you give me an example?
6 >> >
7 >> > If your coder has another website page open in his/her browser which
8 >> > contains for example XSS or CSRF code, then the webpage of your company's
9 >> > web app could be potentially compromised by your user inadvertently
10 >> > executing state changing commands on it. By providing a XSS payload the
11 >> > attacker could execute commands to change username/passwd, change email
12 >> > address, etc. This is one reason that Internet Banking providers always
13 >> > advise their users to log out and then exit their browser when they have
14 >> > finished their online banking.
15 >
16 >> The other obvious attack would be simply stealing your session cookies
17 >> or SSL client certificate+key out of the browser's RAM, or off of
18 >> disk.
19 >
20 > Yes, session hi/sidejacking is possible, as well as obtaining sensitive
21 > information that the browser has happened to cache. High value information
22 > like credit card details should have a no-cache, no-store, Expires:0, but I
23 > bet there are some websites out there which do not guard against this threat.
24 > I would have thought SSL certificates/keys would be protected in RAM, but if
25 > you have a Man-In-The-Browser attack I guess they wouldn't be.
26 >
27 > If you are using a VPN connection as a split-tunnel then although your
28 > connection to the LAN would be secure, browser credentials could still be
29 > stolen by browser sessions connecting to suspect websites outside the tunnel.
30 > It has to be a full VPN tunnel with forwarding Internet access blocked at the
31 > VPN gateway, for clients to mitigate this threat.
32
33
34 So the user is safe if I send all internet requests from her remote
35 laptop through the Zerotier connection (instead of only sending
36 requests to my server through Zerotier)?
37
38 - Grant

Replies

Subject Author
Re: [gentoo-user] {OT} Allow work from home? Rich Freeman <rich0@g.o>