lxc-attach in LXC before 1.0.9 and 2.x before 2.0.6 allows an attacker inside of an unprivileged container to use an inherited file descriptor, of the host's /proc, to access the rest of the host's filesystem via the openat() family of syscalls.
[ { "deprecated": false, "target": { "function": "lxc_attach", "file": "src/lxc/attach.c" }, "signature_type": "Function", "digest": { "function_hash": "86539981727894849039648246696796652100", "length": 4765.0 }, "source": "https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c", "signature_version": "v1", "id": "CVE-2016-8649-48068829" }, { "deprecated": false, "target": { "function": "attach_child_main", "file": "src/lxc/attach.c" }, "signature_type": "Function", "digest": { "function_hash": "291183966849396587515960049467341175628", "length": 4636.0 }, "source": "https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c", "signature_version": "v1", "id": "CVE-2016-8649-535efa47" }, { "deprecated": false, "target": { "file": "src/lxc/attach.c" }, "signature_type": "Line", "digest": { "threshold": 0.9, "line_hashes": [ "182534638967419348501989485100612370211", "328087871680614339011072353046097453261", "221201795748112394380445681025374189695", "260739315370711100637584693082443249802", "151155786906574097486383613548445657557", "24129260862342566734185036111499086989", "199210070085103939412091930385777152243", "146380129465665399716144328027760893344", "148567472859883818088068106593420222884", "179217424169446769959121693235046219239", "262134186553808889151582344270487662481", "78528397423486474335873093044032343557", "13263848047663707583602212805902235891", "180673238382281781694473118489219258480", "140929996186448210187201387868508210991", "259781326512542569082586296473010157196", "42201010725732723143505945917433851451", "224060602730218200307472523296202783545", "188540000797028820253426722730075182810", "151462353824748895279782583445270305055", "208000932748870123868986967593283729017", "14997981488042323385240415520178637663", "62295931121034587742871011115419928430", "129553564187249329149381180742550867839", "194694732418934796690616213781110055041", "247587226344465615715670957960067987228", "171840331620192804421260256916694456449", "279558228675833959041478404047898676934", "70254232151386455977448108037267263919", "117963832062748887070041406393367310146", "250630138817409805621327732563538220126", "129789169023117941256876149415108834200", "98204644187630529303412928107929411208", "25415241057446248674248116480195666201", "206444756334068970647169361669767650649", "280795094593254412102265477507307998163", "81669537796804371064388812102565611738", "152664599305701197122286222496547134718", "215359974654636588553479083941380303689", "117194693401574342485772460381604127740", "206444756334068970647169361669767650649", "276437970186586279742921388482058825552", "291519389381335686405124693371791799877", "306873648993982497303724695829092276549", "196361232704673062660761448210681434816", "234948857118847056890448405623835339309", "64760237798136491732631207967787039989", "36941450991727191566326950154284643158", "169370865094947740225122710183584034265", "96430807676215890425407209390168952164", "175401536350468323204382506035847447011", "40258636815017553509233147175706547332", "234948857118847056890448405623835339309", "64760237798136491732631207967787039989", "308165041870633519841195833372083779972", "8546068742626447399219199799921933465", "149214989481471900535972375074806466972", "246509150097929994032173370725246747470", "134797215320627882286337146869882119526", "64646875120900211014450198362413338399", "251393657949913444008476546896154686428", "311892567088465641236994045244928064362", "265871425707057856379876204729479845299", "130025980675727519755865100273322141711", "84385075469768581605842504825011506252", "280914981413276535904061302790680634566", "66417573527256520066913307314544267736", "274160737647891287770770544477301130097", "4297527551589885553444182765409601223", "288687235456094819744530880850629567085", "89613822514666599890244884363510918040", "30307749573785738210727975667777357122", "56763153500749970670467993880323623380", "289581374206602215256057861036978456509", "285407083740305389973555148684559120372", "174059754831196890275262755310396738023", "257473639764863194800655163074782085136", "146628219049241475703162110138358270027", "282274866693984065059124497757783485513", "240007919634772002992521271255034806133", "254888056688377086199455782403515584826", "94422017579873676801874094049698613469", "303264886406865514222181053012309717320", "109717281110130629731196294217242507797", "324712596233884354702132797946183225000", "264234643769497086910169737733200331757", "24074986487623897990991783726038625251", "33604140261016652677004891763144699239", "238374391163541753201206094577912531805", "135755482635224183519094367763113182608", "71205238536723553814550155619762589025", "136005550826315470476012645411820590615", "282155980379117384185565171535459143122", "163808204064858768821003369168692043571", "75680745899215858397106293758828125742", "235360157282706949792368739967815832491", "256131428232882232061171750425072980091", "174444283685597753417308271397109305031", "280063984435067356605755055668519783243", "252114206949556119479394264634736490505", "15161083017303357217060026256616195626", "316736586641725236134023103381050315270", "164319727544882970221986711362054413740", "262582453361448712302858931342997618439", "44615074530479935058712832777291192943", "234082775529545396765225186858275461598", "178723934329820333545210965784101693011", "97286772979954326294604505102581560452", "211444691764000544247203152685115440168", "277940947308551121730547674736195255941", "320193817203739803875853328565347309714", "27522188253175704149870528082221453094", "55000344403796192990803464003232044247", "278709332845141151828303930594953254423", "182529173857073739445342189104941547670", "60159344793516415599896260780755028795", "198957223124757553095073439421733511458", "7099600215526121405821066805626297952", "41436877052644447205843618809101094668", "153646053680943069388151267411442914516", "81930253308596539377886050085951888833", "101872106387530822802509850483697583568", "328719818496712213788642506441720593367", "220606739525115356521928841289357650751", "162915433089896115039215475003793822216", "258115221580261665355273775932012917595", "159610645355238937771409662530387709833", "124340369296310444019517477304765590115", "73900695365268623768242891754893587033", "47309747188802705962162189732851379467", "102072150354673039493567124102241770708", "256837967297522663878994807399089247593", "207608449349171286088570706476023148916", "1906842689605258305767104700314176003", "233729589746649053597508943714541541220", "70955458099109633127839129705632571592", "61795395608277922553430713548144035393", "143217532035605211145485371184847643244", "130467561652968598413086694770094179198", "302343716712103545022266684715570923907", "198901910853596106128751780769669137430", "192625672409303038390498388859053878577", "168535553573121545120449685699464945554", "2613584486587917689367315101923658119", "1712120053092039393004787240827650648", "97780330555961006478776921550971145406", "67482483714389414234431398501248060744", "282544783533321607675440055442849733128", "141643576501915850229120651879940660029", "326156132986771457228208623876663641335", "151885910477519904765081877357675518695", "228030010009227809340245030981880915331", "220045125162212850964635372276857097388", "335207127616624185488150640530488013586", "312951395231144453716916113762196892658", "39073971419586427657261891670845041428", "127673696719879545835575798700386850666", "116934592922370227263992022791894451201", "126502645377729435537207099182605772523", "105626377195844774736641591510278784206", "69302570655526775336266740474534851487", "35692237708749064169502545659479310528" ] }, "source": "https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c", "signature_version": "v1", "id": "CVE-2016-8649-7f972969" }, { "deprecated": false, "target": { "function": "lsm_set_label_at", "file": "src/lxc/attach.c" }, "signature_type": "Function", "digest": { "function_hash": "132442875847108681640522407273627435606", "length": 1369.0 }, "source": "https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c", "signature_version": "v1", "id": "CVE-2016-8649-95d14dcd" } ]