Difference between revisions of "Limera1n"

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(Added download links for every limera1n version)
(we are not endorcing limera1n, pleaswe do not post download links)
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|<center>'''MD5 Hash'''</center>
 
|<center>'''MD5 Hash'''</center>
 
|<center>'''Change comment'''</center>
 
|<center>'''Change comment'''</center>
|<center>'''Unofficial download link'''</center>
 
 
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|beta 1
 
|beta 1
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|2f2b09a6ed5c5613d5361d8a9d0696b6
 
|2f2b09a6ed5c5613d5361d8a9d0696b6
 
|First release.
 
|First release.
|http://www.mediafire.com/?6ywtz1van4f9cya
 
 
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|a70dccb3dfc0e505687424184dc3d1ce
 
|a70dccb3dfc0e505687424184dc3d1ce
 
|Fixed kernel patching magic. Rerun BETA2+ over BETA1.
 
|Fixed kernel patching magic. Rerun BETA2+ over BETA1.
|http://www.mediafire.com/?qo4jech54sx4x15
 
 
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|81730090f7de1576268ee8c2407c3d35
 
|81730090f7de1576268ee8c2407c3d35
 
|Fixed an issue with [[N88ap|iPhone 3GS]] ([[iBoot-359.3.2|new bootrom]])
 
|Fixed an issue with [[N88ap|iPhone 3GS]] ([[iBoot-359.3.2|new bootrom]])
|http://www.mediafire.com/?mhyf4jn0rtgwtkl
 
 
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|d901c4b3a544983f095b0d03eb94e4db
 
|d901c4b3a544983f095b0d03eb94e4db
 
|Uninstall fixed, respring fixed
 
|Uninstall fixed, respring fixed
|http://www.mediafire.com/?k50w8esfmw715of
 
 
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| RC1
 
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|0622d99ffe4c25f75c720a689853845f
 
|0622d99ffe4c25f75c720a689853845f
 
|out of beta! afc2, reliability improvements, no reboot for cydia, 2kb smaller
 
|out of beta! afc2, reliability improvements, no reboot for cydia, 2kb smaller
|http://www.mediafire.com/?k50w8esfmw715of
 
 
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Revision as of 19:41, 11 October 2010

Ra1ndrop.png

This is geohot's latest jailbreak utility. It uses his undisclosed exploit, along with comex's userland exploit, to achieve an untethered jailbreak on newer devices.

It has been demonstrated multiple times by geohot, using blog posts on his now private blog. Geohot showed off a high-res picture of Cydia on an iPhone 4. He displayed an iPod touch 3G with an untethered jailbreak that met MuscleNerd's requirements for a good video. In addition, he took a picture of Cydia and blackra1n icons on his iPad's SpringBoard.

limera1n was released to the public on October 9, 2010, delaying the release of greenpois0n, because greenpois0n has to be rewritten to use the limera1n exploit instead of SHAtter. It only supports Windows at the moment, and there are some devices with issues.

Release text

limera1n, 6 months in the making

iPhone 3GS, iPod Touch 3G, iPad, iPhone 4, iPod Touch 4G
4.0-4.1 and beyond+++
limera1n is unpatchable
untethered thanks to jailbreakme star comex
released today to get chronicdev to do the right thing
brought to you by geohot
hacktivates
Mac coming soon
follow the instructions in the box, sadly limera1n isn't one click
that's the price of unpatchability
as usual, donations appreciated but not required
still in beta, pardon my ragged edges
AppleTV is technically supported, but theres no apps yet

zero pictures of my face

Credit

Changelog

Version
Release time
MD5 Hash
Change comment
beta 1 9 Oct 2010 XX:XX GMT 2f2b09a6ed5c5613d5361d8a9d0696b6 First release.
beta 2 9 Oct 2010 XX:XX GMT a70dccb3dfc0e505687424184dc3d1ce Fixed kernel patching magic. Rerun BETA2+ over BETA1.
beta 3 9 Oct 2010 XX:XX GMT 81730090f7de1576268ee8c2407c3d35 Fixed an issue with iPhone 3GS (new bootrom)
beta 4 9 Oct 2010 XX:XX GMT d901c4b3a544983f095b0d03eb94e4db Uninstall fixed, respring fixed
RC1 11 Oct 2010 XX:XX GMT 0622d99ffe4c25f75c720a689853845f out of beta! afc2, reliability improvements, no reboot for cydia, 2kb smaller

Technical Information

Basics

Exploits

Details of the bootrom exploit to follow.

Process

The jailbreak appears to execute something like the following (in no particular order):

"setenv debug-uarts 1
setenv auto-boot false
saveenv"
"setenv auto-boot true
 reset
 geohot done"

Interesting Messages

"geohot black is the new purple"
"blackra1n start: %d current IRQ mask is %8.8X
usb irq disabled...shhh
fxns found @ %8.8X %8.8X
found iBoot @ %8.8X
i'm back from IRQland...
3g detected, kicking nor
nor kicked
memcpy done
iBoot restored!!!
found command table @ %8.8X
cmd_geohot added
time to pray...%8.8X"
"2.2X  send command(%d): %s
send exploit!!!
sent data to copy: %X
 sent shellcode: %X has real length %X
never freed: %X
sent fake data to timeout: %X
 sent exploit to heap overflow: %X
 sending file with length: 0x%X Mingw runtime failure:
  VirtualQuery failed for %d bytes at address %p      Unknown pseudo relocation protocol version %d.
    Unknown pseudo relocation bit size %d."

Controversy

The release of this jailbreak is specifically designed to pressure Chronic Dev into not releasing the SHAtter exploit, instead implementing the limera1n exploit into greenpois0n. Now that geohot has released limera1n, releasing SHAtter would uselessly disclose another bootrom exploit to Apple.

geohot's rationale is that Apple has already discovered, through internal testing, the limera1n exploit, making it very likely that it will be fixed in the next bootrom. Because iBoot code is present both in the bootrom and firmware, and because firmware is refreshed much more often that bootrom code, any fix in this code branch would appear first in firmware. geohot observed his limera1n exploit was closed in firmware and concluded that it would almost certainly be fixed in the next bootrom revision, whereas SHAtter still has a chance of remaining useful in the 5th generation iPhone should it not be disclosed at this time.

limera1n's untethered userland exploit was obtained by geohot under questionable circumstances from comex. comex did in fact end up giving his approval for the exploit to be included in limera1n.

External Links