{"id":184239,"date":"2026-11-12T11:41:56","date_gmt":"2026-11-12T09:41:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/uyazvimost-v-git-dopuskayushhaya-vypolnenie-koda-pri-klonirovanii-iz-vredonosnogo-git-repozitoriya"},"modified":"2026-11-12T11:42:03","modified_gmt":"2026-11-12T09:42:03","slug":"git-vulnerability-allows-code-execution-when-cloning-a-malicious-git-repository","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/git-vulnerability-allows-code-execution-when-cloning-a-malicious-git-repository","title":{"rendered":"Git'i n\u00f5rkus, mis v\u00f5imaldab pahatahtlikust Git-repositooriumist kloonimise ajal koodi t\u00e4itmist","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Avalikustatud on parandused hajusale allika juhtimise s\u00fcsteemile Git 2.56.1, 2.55.1, 2.54.1, 2.53.1, 2.52.1, 2.51.3 ja 2.50.2, milles on k\u00f5rvaldatud 6 turvaaukku. K\u00f5ige ohtlikum turvaauk (CVE-2026-111760) v\u00f5imaldab koodi t\u00e4itmist, kui kasutatakse k\u00e4sku &#171;git clone&#187; alamoode &#171;&#8212;recurse-submodules&#187; r\u00fcnnakuga isikute halduses olevate hoidlate puhul.<\/p>\n<p>Probleem tuleneb sellest, et nimekirja nimede pikkus arvutatakse, kasutades 32-bitist t\u00e4isarvu. Kui edastada v\u00e4ga pika nimega nagu &#171;.git\/&#8230;.&#187;, siis tekib t\u00e4isarvude \u00fclet\u00e4itumine ja r\u00fcndaja saab arvutada pikkuse, mis v\u00f5rdub 4 baitiga. Tulemuseks on see, et kontrollimisel kasutatakse tegelikke andmeid, samas kui toimingu puhul kasutatakse l\u00fchendatud versiooni &#171;.git&#187;, mis v\u00f5imaldab r\u00fcndajal asendada faili &#171;.git&#187; alammoodelis s\u00fcmboolse lingiga, mis osutab kaustale seadete ja hookide jaoks.<\/p>\n<p>Teised haavatavused:<\/p>\n<ul>\n<li class=\"l\"> CVE-2026-113408 &#8212; v\u00e4ljumine refs\/ katalooge, edastades HEAD haruna s\u00fcmboolse lingi v\u00e4\u00e4rtusega &#171;refs\/heads\/..\/\/..\/\/..\/\/TARGET&#187;, kloneerides t\u00fchja hoidla Git v2 protokolli kaudu. Seej\u00e4rel k\u00e4ivitades &#171;git commit&#187;, luuakse fail TARGET hoidla juurest, mida saab kasutada hoidla failide asendamiseks ja koodi t\u00e4itmiseks.\n<li class=\"l\"> CVE-2026-114467 &#8212; steki \u00fclet\u00e4itumine GPG allkirjade kustutamisel, mis v\u00f5ib potentsiaalselt viia juhusliku koodi t\u00e4itmiseni. Probleem tuleneb sellest, et funktsioon remove_signature() salvestab allkirjade positsioonid fikseeritud massiivi, mis on arvutatud maksimaalselt kahe allkirja jaoks. Kui edastada silt, millel on kolm v\u00f5i enam allkirja, salvestatakse andmed massiivist v\u00e4ljapoole.\n<li class=\"l\"> CVE-2026-114469 &#8212; binaarsete patchide suuruse piirangute kontrollimisel arvestati andmeid enne dekompressiooniga, mis viis sisu lugemiseni m\u00e4lupiiri v\u00e4ljalt.\n<li class=\"l\"> CVE-2026-105437 &#8212; m\u00e4lu kahjustamine suurte sulandumise toimingute k\u00e4ivitamisel, tulenevalt tulemi suuruse akumuleerumisest int-t\u00fc\u00fcbi v\u00e4ljal. GitLabi konfiguratsioonis saab seda haavatavust kasutada koodi t\u00e4itmiseks (probleem on blokeeritud GitLab 19.5.4-s).\n<li class=\"l\"> CVE-2026-114466 &#8212; juhuslike failide \u00fclekirjutamine FS-is k\u00e4suga &#171;git fast-import&#187; turvaaugu CVE-2019-1348 mittet\u00e4ieliku likvideerimise t\u00f5ttu.\n<\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66669\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u043c \u043a\u043e\u0434\u043e\u043c Git 2.56.1, 2.55.1, 2.54.1, 2.53.1, 2.52.1, 2.51.3 \u0438 2.50.2, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 6 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043e\u043f\u0430\u0441\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2026-111760) \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 \u043f\u0440\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0438 \u043a\u043e\u043c\u0430\u043d\u0434\u044b &#171;git clone&#187; \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 &#171;&#8212;recurse-submodules&#187; \u0441 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u044f\u043c\u0438, \u043f\u043e\u0434\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c\u043d\u044b\u043c\u0438 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u043c\u0443. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0442\u0435\u043c, \u0447\u0442\u043e \u0434\u043b\u0438\u043d\u0430 \u0437\u0430\u043f\u0438\u0441\u0438 \u0441 \u0438\u043c\u0435\u043d\u0435\u043c \u0432 \u0438\u043d\u0434\u0435\u043a\u0441\u0435 \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u0435\u0442\u0441\u044f \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-184239","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u043c \u043a\u043e\u0434\u043e\u043c Git 2.56.1, 2.55.1, 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