{{Short description|Series of iOS jailbreaking tools}} {{Infobox software | name = greenpois0n | logo = | caption = | developer = Chronic Dev Team | released = {{release date|2010|10|12}}<ref name="ars-foresman"/> | latest release version = RC 6.1 | latest release date = {{release date|2011|2|18}}<ref>{{cite web |url= http://downloadsquad.switched.com/2011/02/18/greenpois0n-jailbreak-update-rc6-1-fixes-ibooks-blockade/ |title= GreenPois0n jailbreak update RC6.1 fixes iBooks blockade |last1= Gibbs |first1= Samuel |date= February 18, 2011 |work= DownloadSquad |publisher= Switched |access-date= December 18, 2012 |archive-date= April 21, 2012 |archive-url= https://web.archive.org/web/20120421091028/http://downloadsquad.switched.com/2011/02/18/greenpois0n-jailbreak-update-rc6-1-fixes-ibooks-blockade/ |url-status= dead }}</ref> | operating system = OS X, Microsoft Windows, Linux | language = English | genre = iOS Jailbreaking | license = GPL<ref>{{cite web |url= https://github.com/Chronic-Dev/greenpois0n/blob/master/LICENCE |title= Greenpois0n Licence |author = posixninja |date= November 11, 2010 |publisher= Chronic Dev |access-date=December 18, 2012}}</ref> | website = {{URL|https://web.archive.org/web/20140101061041/http://greenpois0n.com/|greenpois0n.com}} (archived) }} {{Infobox software | title = greenpois0n Absinthe | name = | logo = | caption = | developer = Chronic Dev Team and iPhone Dev Team (Jailbreak Dream Team) | released = {{release date|2012|1|20}}<ref name="techhive"/> | latest release version = 2.0.4 | latest release date = {{release date|2012|5|30}}<ref name="ibtimes-bora">{{cite web |url= http://www.ibtimes.com/ios-511-untethered-jailbreak-absinthe-204-rocky-racoon-v10-3-released-support-ipad-24-700620 |title= iOS 5.1.1 Untethered Jailbreak: Absinthe 2.0.4, Rocky Racoon v1.0-3 Released With Support For iPad 2,4 |last1= Bora |first1= Kukil |date= May 30, 2012 |work= International Business Times |access-date=December 18, 2012}}</ref> | operating system = OS X, Microsoft Windows, Linux | language = English | genre = iOS Jailbreaking | license = freeware | website = {{URL|https://web.archive.org/web/20140101061041/http://greenpois0n.com/|greenpois0n.com}} (archived) }}

'''greenpois0n''' is a name shared by a series of iOS jailbreaking tools developed by Chronic Dev Team (sometimes called the greenpois0n team<ref name="techhive">{{cite web|url=http://www.techhive.com/article/248478/how_to_jailbreak_your_iphone_4s_and_ipad_2_via_absinthe_a5.html|title=How to Jailbreak Your iPhone 4S and iPad 2 via Absinthe A5|last1=Noble|first1=McKinley|authorlink=|date=January 20, 2012|work=Geek Tech|publisher=PCWorld|access-date=December 18, 2012|archive-date=September 23, 2012|archive-url=https://web.archive.org/web/20120923010558/http://www.techhive.com/article/248478/how_to_jailbreak_your_iphone_4s_and_ipad_2_via_absinthe_a5.html|url-status=dead}}</ref>) that use exploits to remove software restrictions on iPhones, iPads, iPod Touches, and Apple TVs. Greenpois0n's initial release in October 2010 jailbroke iOS 4.1,<ref name="ars-foresman" /> and its second version in February 2011 jailbroke iOS 4.2.1<ref name="wired-sorrel">{{cite web |url= https://www.wired.com/gadgetlab/2011/02/untethered-ios-4-2-1-jailbreak-live/ |title= Untethered iOS 4.2.1 Jailbreak Live |author= Charlie Sorrel |date= February 4, 2011 |work= Gadget Lab |publisher= Wired |access-date=November 2, 2011 }}</ref> as well as iOS 4.2.6 on CDMA iPhones.<ref name="pcworld-verizon">{{cite web |url= http://www.pcworld.com/article/218932/verizon_iphone_now_available_for_jailbreaking.html |title= Verizon iPhone Now Available for Jailbreaking |author= Blair Hanley Frank |date= February 7, 2011 | work= Geek Tech |publisher= PCWorld |access-date=November 2, 2011 }}</ref> The second generation of the tool, '''greenpois0n Absinthe''', was developed with iPhone Dev Team members and jailbroke iOS 5.0.1 in January 2012 (providing the first jailbreak of the iPhone 4S),<ref name="techhive" /><ref name="absinthe-cnet">{{cite web |url= http://news.cnet.com/8301-17938_105-57362965-1/fly-be-free-jailbreak-for-iphone-4s-ipad-2-released/ |title= Fly, be free! Jailbreak for iPhone 4S, iPad 2 released |last1= Mack |first1= Eric |date= January 20, 2012 |work= Crave |publisher= CNet |access-date=December 18, 2012}}</ref> and a second version jailbroke iOS 5.1.1 in May 2012 (providing the first jailbreak of the third generation iPad).<ref name="absinthe2-forbes">{{cite web |url= https://www.forbes.com/sites/adriankingsleyhughes/2012/05/26/untethered-jailbreak-for-your-ios-5-1-1-iphoneipadipod-touch-is-here/ |title= Untethered Jailbreak For Your iOS 5.1.1 iPhone/iPad/iPod Touch Is Here |author= Adrian Kingsley-Hughes |date= May 26, 2012 |work= Tech |publisher= Forbes |access-date=June 1, 2012 }}</ref>

Jailbreaking enables root access to the iOS operating system,<ref name="computerworld-essers"/> allowing the installation of applications and customizations that are unavailable through the official App Store for iOS.<ref>{{cite web |url= http://readwrite.com/2012/01/20/jailbreak_ios_5_iphone_4s_ipad_2 |archive-url= https://web.archive.org/web/20130208044857/http://readwrite.com/2012/01/20/jailbreak_ios_5_iphone_4s_ipad_2 |url-status= usurped |archive-date= February 8, 2013 |title= Now You Can Jailbreak Your iPhone 4S and iPad 2 |last1= Titlow |date= January 20, 2012 |publisher= ReadWriteWeb |access-date=December 29, 2012}}</ref><ref name="pcworld-paul"/> Jailbreaking voids the device's warranty,<ref name="pcmag-absinthe"/> and Apple releases iOS updates to make jailbreaking more difficult.<ref name="venturebeat-ludwig"/>

== greenpois0n for iOS 3/4 ==

On October 12, 2010, Chronic Dev Team released Greenpois0n, a desktop-based tool for jailbreaking iOS 4.1 on iPhone 4, iPhone 3GS, iPod Touch third and fourth generation, and iPhone OS 3.2.2 on the iPad 1.<ref name="ars-foresman"/> During its development, Apple released the second generation Apple TV, and Greenpois0n's developers reported that it could jailbreak the Apple TV as well.<ref>{{cite web |url= http://www.networkworld.com/news/2010/092910-apple-tv-jailbreak-confirmed-let.html |title= Apple TV Jailbreak Confirmed; Let the Hacking Begin |last1= Fish |first1= Elizabeth |date= September 29, 2010 |work= PCWorld |publisher= NetworkWorld |access-date= December 18, 2012 |archive-url= https://web.archive.org/web/20130430163154/http://www.networkworld.com/news/2010/092910-apple-tv-jailbreak-confirmed-let.html |archive-date= April 30, 2013 |url-status= dead }}</ref><ref>{{cite web |url= https://www.wired.com/gadgetlab/2010/10/appletv-jailbroken-ready-for-apps/ |title= AppleTV Jailbroken, Ready for Apps |last1= Sorrel |first1= Charlie |date= October 20, 2010 |work= Gadget Lab |publisher= Wired |access-date=December 18, 2012}}</ref> The developers announced plans to release it on October 10, but after news spread of another jailbreak developer, George Hotz, preparing to release a jailbreaking tool called limera1n that would perform a similar function with a different exploit,<ref>{{cite web |url= http://www.networkworld.com/community/node/67263 |title= Second iOS jailbreak hack due Sunday |last1= Cox |first1= John |date= October 9, 2010 |publisher= NetworkWorld |access-date= December 18, 2012 |archive-date= April 30, 2013 |archive-url= https://web.archive.org/web/20130430044352/http://www.networkworld.com/community/node/67263 |url-status= dead }}</ref> the Greenpois0n developers delayed in order to integrate the limera1n exploit,<ref>{{cite web |url= http://www.networkworld.com/community/node/67275 |title= Zero iOS jailbreaks due Sunday |last1= Cox |first1= John |date= October 10, 2010 |publisher= NetworkWorld |access-date= December 18, 2012 |archive-date= June 24, 2013 |archive-url= https://web.archive.org/web/20130624061216/http://www.networkworld.com/community/node/67275 |url-status= dead }}</ref> which supported more devices.<ref name="pcmag-square">{{cite web |url= https://www.pcmag.com/article2/0,2817,2370522,00.asp#fbid=d7I6xbRm1XV |title= iPhone Hackers Square Off With Competing iOS 4 Jailbreaks |author= David Murphy |date= October 9, 2010 |publisher= PCMag |access-date=November 2, 2011 }}</ref> Using limera1n also meant that the original Greenpois0n exploit (SHAtter) could be saved for use in later jailbreaks.<ref>{{cite web |url= http://www.maclife.com/article/news/greenpois0n_jailbreak_tool_released_mac_version_incoming |title= Greenpois0n Jailbreak Tool Released, Mac Version Incoming |last1= Bookwalter |first1= J. R. |date= October 12, 2010 |publisher= MacLife |access-date=December 18, 2012}}</ref> Both SHAtter and limera1n are boot ROM exploits, which means they cannot be patched by iOS updates because bootROM code is embedded in iOS devices during manufacturing, and cannot be overwritten at any time.<ref name="ars-foresman">{{cite web |url= https://arstechnica.com/apple/2010/10/Greenpois0n-and-limera1n-offer-multiple-jailbreak-paths-for-ios-4/ |title= Jailbreak! Greenpois0n and limera1n offer new options for iOS 4 |last1= Foresman |first1= Chris |date= October 12, 2010 |work= Infinite Loop |publisher= Ars Technica |access-date=December 18, 2012}}</ref>

In February 2011, Chronic Dev Team released a new version of greenpois0n to jailbreak iOS 4.2.1<ref name="wired-sorrel"/> and to jailbreak iOS 4.2.6 on the iPhone 4 CDMA (Verizon),<ref name="pcworld-verizon"/> with desktop-based tools for OS X, Microsoft Windows, and Linux.<ref name="pcworld-mulroy"/> It provides an "untethered" jailbreak, which means that the jailbroken device can be rebooted into a jailbroken state without computer assistance or user input.<ref name="pcworld-mulroy">{{cite web |url= http://www.techhive.com/article/218703/greenp0ison_update_lets_you_jailbreak_ios_4_2_1.html |title= Greenpois0n Lets You Jailbreak iOS 4.2.1 |last1= Mulroy |first1= James |date= February 3, 2011 |work= Geek Tech |publisher= PCWorld |access-date= December 18, 2012 |archive-date= April 4, 2015 |archive-url= https://web.archive.org/web/20150404231938/http://www.techhive.com/article/218703/greenp0ison_update_lets_you_jailbreak_ios_4_2_1.html |url-status= dead }}</ref> It supports iPad, iPhone, iPod Touch,<ref>{{cite web |url= http://www.theinquirer.net/inquirer/news/2024546/untethered-iphone-jailbreak-windows-mac |archive-url= https://web.archive.org/web/20110209080655/http://www.theinquirer.net/inquirer/news/2024546/untethered-iphone-jailbreak-windows-mac |url-status= unfit |archive-date= February 9, 2011 |title= An untethered Iphone jailbreak is out for Windows and Mac |last1= Wattanajantra |first1= Asavin |date= February 7, 2011 |publisher= The Inquirer |access-date=December 18, 2012}}</ref> and Apple TV.<ref>{{cite web |url= http://www.techhive.com/article/219583/ios_owned_again_greenpois0n_n0w_jailbreaks_apple_tv.html |archive-url= https://archive.today/20130216213650/http://www.techhive.com/article/219583/ios_owned_again_greenpois0n_n0w_jailbreaks_apple_tv.html |url-status= dead |archive-date= February 16, 2013 |title= iOS Owned Again; Greenpois0n Now Jailbreaks Apple TV |last1= Kennedy |first1= Jason |date= February 14, 2011 |work= Geek Tech |publisher= PCWorld |access-date= December 18, 2012 }}</ref><ref>{{cite web |url= http://www.tuaw.com/2011/02/12/greenpois0n-jailbreak-goes-untethered/ |title= GreenPois0n jailbreak goes untethered for Apple TV |last1= Rose |first1= Michael |date= February 12, 2011 |publisher= TUAW (The Unofficial Apple Weblog) |access-date= December 18, 2012 |archive-date= December 15, 2012 |archive-url= https://web.archive.org/web/20121215080839/http://www.tuaw.com/2011/02/12/greenpois0n-jailbreak-goes-untethered |url-status= dead }}</ref> Chronic Dev Team announced support for the newly released iPhone 4 CDMA before the devices were in stores.<ref>{{cite web |url= https://www.theregister.co.uk/2011/02/08/verizon_iphone_jailbreak/ |title= Verizon iPhone 4 jailbroken – already |last1= Myslewski |first1= Rik |date= February 8, 2011 |publisher= The Register |access-date=December 18, 2012}}</ref>

===Chronic Dev Team=== As of late 2011, Joshua Hill was described as a "head honcho" of Chronic-Dev Team,<ref>{{Cite web|url=https://www.cnet.com/news/chronic-dev-team-gets-10m-crash-reports-in-first-week/|title = Chronic-Dev Team gets 10M crash reports in first week}}</ref> and as a principal.<ref>{{Cite web|url=https://www.gsmarena.com/principle_devs_talk_untethered_ios_5_jailbreaking_and_more-news-3432.php|title = Principle devs talk untethered iOS 5 jailbreaking and more}}</ref> Other members, in addition to Hill,<ref>{{cite news |last1=Paul Rubens |title=Jailbreakers use Apple crash reports to 'free' iPhones |url=https://www.bbc.co.uk/news/technology-16204663 |access-date=21 September 2019 |work=BBC |date=8 March 2012 |quote=Joshua Hill, a member of the Chronic Dev hacker team.}}</ref> in early 2012 included Cyril, and Nikias Bassen.<ref>{{Cite web|url=https://www.cultofmac.com/168812/will-hackers-pull-a-one-more-thing-and-release-ios-5-1-1-jailbreak-this-friday/|title = Will Hackers Pull A "One More Thing" and Release iOS 5.1.1 Jailbreak This Friday? &#91;Jailbreak&#93;|date = 22 May 2012}}</ref>

== Greenpois0n Absinthe for iOS 5 ==

Developers from Chronic Dev Team and iPhone Dev Team released greenpois0n Absinthe (known as just "Absinthe") in January 2012, a desktop-based tool (for OS X, Microsoft Windows, and Linux<ref name="ibtimes-chatterjee">{{cite web |url= http://www.ibtimes.com/greenpois0n-absinthe-a5-untethered-jailbreak-linux-users-released-windows-and-mac-version-updated |title= Greenpois0n Absinthe A5 Untethered Jailbreak for Linux Users Released; Windows and Mac Version Updated to v0.3 |last1= Chatterjee |first1= Surojit |date= January 24, 2012 |work= Tech & Trend |publisher= International Business Times |access-date=December 18, 2012}}</ref>) to jailbreak the iPhone 4S for the first time and the iPad 2 for the second time, on iOS 5.0.1 for both devices and also iOS 5.0 for iPhone 4S.<ref name="techhive"/><ref name="absinthe-cnet"/> Absinthe provides an "untethered" jailbreak, which means that the patched device can be rebooted directly into a jailbroken state without computer assistance (or, as with a semi-untethered jailbreak, without requiring an application to be launched on the device following startup, in order to reactivate the jailbreak exploit).<ref name="venturebeat-ludwig">{{cite web |url= https://venturebeat.com/2012/01/20/iphone-4s-jailbreak-ipad-2-unthethered/ |title= iPhone 4S and iPad 2 untethered jailbreaks are finally here |last1= Ludwig |first1= Sean |date= January 20, 2012 |publisher= VentureBeat |access-date= December 18, 2012 |archive-date= November 25, 2012 |archive-url= https://web.archive.org/web/20121125122435/http://venturebeat.com/2012/01/20/iphone-4s-jailbreak-ipad-2-unthethered/ |url-status= dead }}</ref> It incorporated the untether exploit called Corona that pod2g had released in December for older iOS devices.<ref name="absinthe-cnet"/> The Next Web said that the jailbreak took a long time to be released, and ''VentureBeat'' said Absinthe wasn't as easy to use as the earlier jailbreaking tool JailbreakMe.<!-- thenextweb is a routine announcement--><ref>{{cite web |url= https://thenextweb.com/apple/2012/01/20/the-untethered-absinthe-jailbreak-for-iphone-4s-and-ipad-2-is-now-available/ |title= The untethered Absinthe jailbreak for iPhone 4S and iPad 2 is now available |last1= Panzarino |first1= Matthew |date= January 20, 2012 |publisher= TheNextWeb |access-date=December 18, 2012}}</ref><ref name="venturebeat-hardawar"/> According to iPhone Dev Team, approximately one million devices were newly jailbroken in the three days after Absinthe's release.<ref name="pcworld-paul">{{cite web |url= http://www.pcworld.com/article/248659/new_ios_jailbreak_attracts_nearly_1_million_users.html |title= New iOS Jailbreak Attracts Nearly 1 Million Users |last1= Paul |first1= Ian |date= January 24, 2012 |work= Phones |publisher= PCWorld |access-date=December 18, 2012}}</ref><ref name="venturebeat-hardawar">{{cite web |url= https://venturebeat.com/2012/01/23/absinthe-jailbreak-iphone-4s-downloads/ |title= Absinthe jailbreak for iPhone 4S, iPad 2 saw 1M first day downloads |last1= Hardawar |first1= Devindra |date= January 23, 2012 |publisher= VentureBeat |access-date= December 18, 2012 |archive-date= January 12, 2013 |archive-url= https://web.archive.org/web/20130112083944/http://venturebeat.com/2012/01/23/absinthe-jailbreak-iphone-4s-downloads/ |url-status= dead }}</ref> The developers called their joint effort the Jailbreak Dream Team,<ref name="ibtimes-chatterjee"/> which Apple credited in its document listing security patches in the subsequent version of iOS.<ref>{{cite web |url= http://support.apple.com/kb/HT5192 |title= About the security content of iOS 5.1 Software Update |last1= |first1= |last2= |first2= |date= May 31, 2012 |publisher= Apple, Inc. |access-date=December 18, 2012}}</ref>

In May 2012, developers from Chronic Dev Team and iPhone Dev Team released Absinthe 2.0 (for OS X, Windows, and Linux), which can jailbreak iOS 5.1.1 untethered on all iPhone, iPad, and iPod Touch models that support iOS 5.1.1,<ref name="pcmag-absinthe">{{cite web |url= https://www.pcmag.com/article2/0,2817,2404898,00.asp |title= Absinthe 2.0 Untethered Jailbreak Released for iOS 5.1.1 |last1= Albanesius |first1= Chloe |date= May 25, 2012 |publisher= PCMag |access-date=December 18, 2012}}</ref> including jailbreaking the third generation iPad for the first time.<ref name="absinthe2-forbes"/> They announced it at the Hack In The Box security conference in Amsterdam at the end of a presentation about the earlier Absinthe jailbreak,<ref name="computerworld-essers">{{cite web |url= http://www.computerworld.com/s/article/9227495/Untethered_jailbreak_for_iOS_5.1.1_available_for_download |title= Untethered jailbreak for iOS 5.1.1 available for download |last1= Essers |first1= Loek |date= May 25, 2012 |work= IDG News Service |publisher= ComputerWorld |access-date= December 18, 2012 |archive-date= June 6, 2013 |archive-url= https://web.archive.org/web/20130606090725/http://www.computerworld.com/s/article/9227495/Untethered_jailbreak_for_iOS_5.1.1_available_for_download |url-status= dead }}</ref><ref>{{cite web |url= http://www.maclife.com/article/news/absinthe_20_jailbreak_now_available_ios_511_devices |title= Absinthe 2.0 Jailbreak Now Available for iOS 5.1.1 Devices |last1= Bookwalter |first1= J. R. |date= May 25, 2012 |publisher= MacLife |access-date=December 18, 2012}}</ref> and it did not initially support a recently released model of iPad 2.<ref>{{cite web |url= https://www.theverge.com/2012/5/25/3042863/absinthe-2-ipad-third-generation-jailbreak |title= Absinthe 2.0 untethered jailbreak tool launches, supports iOS 5.1.1, new iPad |last1= Webster |first1= Andrew |date= May 25, 2012 |publisher= The Verge |access-date=December 18, 2012}}</ref><ref>{{cite web |url= https://www.engadget.com/2012/05/25/absinthe-2-0-jailbreak/ |title= Absinthe 2.0 hits the download wire, jailbreaks all iOS 5.1.1 devices but the 32nm iPad 2 |last1= Honig |first1= Zach |date= May 25, 2012 |publisher= Engadget |access-date=December 18, 2012}}</ref> According to Chronic Dev Team, approximately one million devices were jailbroken over the weekend after its Friday release.<ref>{{cite web |url= https://www.engadget.com/2012/05/28/absinthe-jailbreak-figures/ |title= Absinthe 2.0 used to jailbreak nearly one million iOS devices in a single weekend |last1= Cooper |first1= Daniel |date= May 28, 2012 |publisher= Engadget |access-date=December 18, 2012}}</ref> PC World noted that devices jailbroken with tools such as Absinthe 2.0 can be a security concern for companies that have "bring your own device" policies.<ref>{{cite web |url= http://www.pcworld.com/article/256271/absinthe_2_0_jailbreak_is_whats_wrong_with_ios.html |title= Absinthe 2.0 Jailbreak Is What's Wrong with iOS |last1= Bradley |first1= Tony |date= May 25, 2012 |publisher= PCWorld |access-date=December 18, 2012}}</ref>

== References ==

{{Reflist|30em}}

== External links == * [https://github.com/Chronic-Dev/greenpois0n Greenpois0n code on GitHub] * [http://conference.hitb.org/hitbsecconf2012ams/materials/D2T2%20-%20Jailbreak%20Dream%20Team%20-%20Absinthe%20Jailbreak%20for%20iOS%205.0.1.pdf Conference presentation by "Dream Team" members on technical details of Absinthe for iOS 5.0.1]

Category:Cross-platform free software Category:Free software for Linux Category:Free software for macOS Category:Free software for Windows Category:Homebrew software Category:IOS jailbreaks Category:IOS software Category:Software using the GNU General Public License