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About the security content of iOS 7.0.6

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Re: About the security content of iOS 7.0.6

#41
post #10
post #9

[deleted]

https://gist.github.com/rmoriz/fb2b0a6a0ce10550ab73 http://i.imgur.com/CoALymQ.png (i've not checked that on iOS or Apple TV just on OSX. Maybe it's another issue but the update description pretty much fits too well ;-)

FYI: This curl bug is totally unrelated to the bug just patched.

Re: About the security content of iOS 7.0.6

#42
post #40
post #16

It's not just cURL. It's much bigger, and much worse. http://pastebin.com/Yb6pUvr6

So, I'm not sure about that one. Apparently s_client ignores the error and completes the connection because it's intended to be used for debugging. > Currently the verify operation continues after errors so all the problems with a certificate chain can be seen. As a side effect the connection will never fail due to a server certificate verify failure. https://www.openssl.org/docs/apps/s_client.html https://www.mail-a…

The s_client connection continues but should still report a verify error. On Linux:

http://pastebin.com/QWpSrR5p

Re: About the security content of iOS 7.0.6

#43
post #28

Earlier quoted context omitted.

Mac os is not vulnerable

It appears to be, per https://gist.github.com/rmoriz/fb2b0a6a0ce10550ab73 (and my own testing on OS X 10.9.1).

Not in 10.9.2 which is using the same curl version: http://pastebin.com/AZ38WYaB

Re: About the security content of iOS 7.0.6

#44
post #10
post #9

[deleted]

https://gist.github.com/rmoriz/fb2b0a6a0ce10550ab73 http://i.imgur.com/CoALymQ.png (i've not checked that on iOS or Apple TV just on OSX. Maybe it's another issue but the update description pretty much fits too well ;-)

Doesn't seem to do it in 10.9.2 which is using the same curl version: http://pastebin.com/AZ38WYaB

Re: About the security content of iOS 7.0.6

#45
post #10

Earlier quoted context omitted.

https://gist.github.com/rmoriz/fb2b0a6a0ce10550ab73 http://i.imgur.com/CoALymQ.png (i've not checked that on iOS or Apple TV just on OSX. Maybe it's another issue but the update description pretty much fits too well ;-)

FYI: This curl bug is totally unrelated to the bug just patched.

If they aren't, it's quite a coincidence ;-) Curl relies on third-party libraries for SSL.

http://daniel.haxx.se/blog/2012/06/28/darwin-native-ssl-for-...

Secure Transport by Apple is also known as Darwin/SSL.

Re: About the security content of iOS 7.0.6

#46
Odd. Apple updated iOS 7 and iOS 6 but didn't update Secure Transport in iOS 5? I wonder if the bug was introduced between iOS 5 and 6.

Background on Secure Transport:

"At the bottom of the TLS stack on both iOS and Mac OS X is a component known as Secure Transport. Secure Transport maintains a per-process TLS session cache. When you connect via TLS, the cache stores information about the TLS negotiation so that subsequent connections can connect more quickly. The on-the-wire mechanism is described at the link below.

http://en.wikipedia.org/wiki/Transport_Layer_Security#Resume...

"This presents some interesting gotchas, especially while you're debugging." More at: https://developer.apple.com/library/ios/samplecode/AdvancedU...

Re: About the security content of iOS 7.0.6

#48

Odd. Apple updated iOS 7 and iOS 6 but didn't update Secure Transport in iOS 5? I wonder if the bug was introduced between iOS 5 and 6. Background on Secure Transport: "At the bottom of the TLS stack on both iOS and Mac OS X is a component known as Secure Transport. Secure Transport maintains a per-process TLS session cache. When you connect via TLS, the cache stores information about the TLS negotiation so that subs…

Apple do not support two versions of iOS back. They expect you to upgrade to a newer, slower version of iOS every time it's released.

You won't be able to get the new iOS 6.1.6 on your iPhone unless it supports iOS 6 but not iOS 7, it is basically only for iPod 4th gen.

Re: About the security content of iOS 7.0.6

#49

So, was this plus automatic updates over SSL one of the ways the NSA could access "any iOS device"?

Potentially. This exploit was known to apple for some period of time, if NSA has access to the internal apple bug tracker, then they could certainly exploit the bug.

Re: About the security content of iOS 7.0.6

#50
post #28
post #19

Earlier quoted context omitted.

Comedic derision appreciated :) However this is a pretty damn serious oversight. I've just shut down my MacBook and picked up my ThinkPad.

Mac os is not vulnerable

No but it says something about the quality I can expect from the black boxes that Apple provide me with. And its not a good thing.
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