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-   -   New Heartbleed Bug (https://www.flyertalk.com/forum/travel-technology/1567757-new-heartbleed-bug.html)

dtsm Apr 9, 2014 10:20 am

New Heartbleed Bug
 
For those interested, starting a new thread:

http://www.theatlantic.com/technolog...ed-bug/360395/

flyerhog Apr 9, 2014 3:01 pm

A PSA to everybody to change their passwords on websites. Even though some of them is not affected by the bug, it's good habit to change password once in a while.

swy Apr 9, 2014 8:57 pm

Is there a way to tell awardwallet to suspend updating my accounts (until all/most the servers have been patched and received new certificates)?

boberonicus Apr 9, 2014 9:34 pm


Originally Posted by flyerhog (Post 22678401)
A PSA to everybody to change their passwords on websites.

This is incomplete advice. The more important concept is to have different passwords on every website, and to use two-factor authentication whenever possible. Here's a list of vulnerable sites.

TravelingPeanut Apr 10, 2014 7:04 am


Originally Posted by flyerhog (Post 22678401)
A PSA to everybody to change their passwords on websites.

Changing passwords makes sense and is a good habit to maintain, but does it make sense to change your password on a website that's still potentially compromised? A better route might be to wait for an announcement for the site stating that issues have been patched or to proactively check on the status of a site before changing your password.

dtsm Apr 10, 2014 7:29 am


Originally Posted by boberonicus (Post 22680245)
This is incomplete advice. The more important concept is to have different passwords on every website, and to use two-factor authentication whenever possible. Here's a list of vulnerable sites.

As my earlier link suggested, Bob is totally right on. Never use same password for different site and whenever possible, go with two factor authentication.

Here's another way to check if site compromised: http://filippo.io/Heartbleed/. If you find it useful, send a small donation to the creator [Full disclosure: no relationship with creator].

Silver Fox Apr 10, 2014 9:30 am


Originally Posted by TravelingPeanut (Post 22681751)
Changing passwords makes sense and is a good habit to maintain, but does it make sense to change your password on a website that's still potentially compromised? A better route might be to wait for an announcement for the site stating that issues have been patched or to proactively check on the status of a site before changing your password.

Indeed. Wait, then change it.

dtsm Apr 10, 2014 9:40 am


Originally Posted by Silver Fox (Post 22682507)
Indeed. Wait, then change it.

This is LastPass recommendation: http://lifehacker.com/lastpass-now-t...swo-1561522244

nmenaker Apr 10, 2014 12:25 pm

Don't go changing your passwords right now at all, that's the worst thing one could do. The passwords ON a site are not currently at risk. It's the passwords and information currently IN TRANSIT that is the issue. If you go and change your password on a site that is currently not secure, you're creating the risk in that scenario. A lot of this has been updated already for several months by most critical sites. I would hope that many would continue to finish the updates soon now.

HDQDD Apr 10, 2014 6:04 pm


Originally Posted by nmenaker (Post 22683502)
Don't go changing your passwords right now at all, that's the worst thing one could do. The passwords ON a site are not currently at risk. It's the passwords and information currently IN TRANSIT that is the issue. If you go and change your password on a site that is currently not secure, you're creating the risk in that scenario. A lot of this has been updated already for several months by most critical sites. I would hope that many would continue to finish the updates soon now.

+1. Changing your password now is about the riskiest thing you can do. Better advice is to not visit any sensitive SSL sites (like your bank) for a few days (or weeks) until they patch their OpenSSL.


Originally Posted by dtsm (Post 22682559)

LastPass and NoScript. Don't surf the web without them.

piper28 Apr 11, 2014 11:16 am


Originally Posted by HDQDD (Post 22685182)
+1. Changing your password now is about the riskiest thing you can do. Better advice is to not visit any sensitive SSL sites (like your bank) for a few days (or weeks) until they patch their OpenSSL.

Most of the banks really don't look like they were vulnerable in the first place, at least the bigger ones.

I've got to be honest, I think this particular bug is being heralded as far more of an issue than it really is. Yeah, the whole has been around for a fair amount of time, but there's not really any evidence that anyone knew about, let alone was exploiting it before very recently. I honestly think if it had been a problem before, we'd have heard about it long before. Heck, even though openssl 1.0 has been out for that year and a half, it doesn't appear that everyone really jumped on the bandwagon and updated to it (out of curiosity, I checked a web hosting provider I use for a site, and it was using a version of .9.8).

Now, obviously, now that the issue is a known issue sites have to fix that problem, and ironically, things are probably at their most vulnerable during this time period with places that are slow to fix things. But I'm not overly convinced that the level of panic that this seems to have created is really warranted. Obviously I'm not saying that it's necessarily a bad idea to change passwords, but I just don't really believe that there's any evidence that the odds are very high that your password would have been compromised.

Anyhow, that's just my personal opinion. I'd like to think that it's a reasonably informed opinion, but take it with the proverbial grain of salt.

gfunkdave Apr 11, 2014 12:33 pm

Delightful Xkcd cartoon explaining the bug:

http://xkcd.com/1354

gqZJzU4vusf0Z2,$d7 Apr 25, 2014 2:42 pm

> there's not really any evidence that anyone knew about, let alone was
> exploiting it before very recently.

Few sites keep the voluminous logs required to determine if they've been
subjected to HeartBleed intrusion.

EFF is reporting that HeartBleed's first notice/exploit was logged in November
2013, from source IPs: 193.104.110.12 and 193.104.110.20 ... both of which
seem to be members of a larger botnet.

What HeartBleed has done is highlight:

- Too few browsers are checking & obeying certificate revocation.
You should check ALL of your browsers. I suggest using:
https://revoked.grc.com/

--- If your browser delivers GRC's explanation page, your browser
--- is not correctly handling revocation.

- Too few Certificate Authorities are following the rules re: certificate
revocation. By contract; a certificate authority is obligated to revoke
certificates within 24 hours if there is evidence of a key compromise.

--- A private key is considered to be compromised if its value has been
--- disclosed;
--- *OR*
--- If there exists a practical technique by which an unauthorized
--- person may discover its value (private key). This did not happen
--- and is not yet happening. There should have been ~500k
--- revocations by now ... and we've seen only a trickle.

- IMHO; the certificate revocation infrastructure has failed us. It needs
to be re-architected. I suggest starting with something more in the
spirit of DNSsec.

chx1975 Apr 25, 2014 3:06 pm

Certificate revocations don't work. http://arstechnica.com/security/2014...rdist-theater/

Loren Pechtel Apr 25, 2014 9:30 pm


Originally Posted by gqZJzU4vusf0Z2,$d7 (Post 22761737)
- Too few Certificate Authorities are following the rules re: certificate
revocation. By contract; a certificate authority is obligated to revoke
certificates within 24 hours if there is evidence of a key compromise.

--- A private key is considered to be compromised if its value has been
--- disclosed;
--- *OR*
--- If there exists a practical technique by which an unauthorized
--- person may discover its value (private key). This did not happen
--- and is not yet happening. There should have been ~500k
--- revocations by now ... and we've seen only a trickle.

- IMHO; the certificate revocation infrastructure has failed us. It needs
to be re-architected. I suggest starting with something more in the
spirit of DNSsec.

There's no point in revoking a certificate if the system is still compromised.


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