{"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\/sl\/blog\/news\/git-vulnerability-allows-code-execution-when-cloning-a-malicious-git-repository","title":{"rendered":"Vulnerability in Git allowing code execution when cloning from a malicious Git repository","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Objavljene so korektivne razli\u010dice distribuiranega sistema za upravljanje izvorne kode Git 2.56.1, 2.55.1, 2.54.1, 2.53.1, 2.52.1, 2.51.3 in 2.50.2, v katerih je odprtih 6 ranljivosti. Najbolj nevarna ranljivost (CVE-2026-111760) omogo\u010da izvajanje kode pri uporabi ukaza &#171;git clone&#187; v na\u010dinu &#171;&#8212;recurse-submodules&#187; z repozitoriji, ki jih nadzira napadalec.<\/p>\n<p>Te\u017eavo povzro\u010da dejstvo, da se dol\u017eina zapisa z imenom v indeksu izra\u010duna z uporabo 32-bitnega celega \u0161tevila. Pri prenosu zelo dolgega imena v obliki &#171;.git\/&#8230;.&#187; pride do prenapolnjenja celih \u0161tevil, kar omogo\u010da napadalcu, da izra\u010duna dol\u017eino, enako 4 bajtih. Kon\u010dni rezultati pa uporabljajo dejanske podatke, medtem ko se izvajajo operacije skraj\u0161ane razli\u010dice &#171;.git&#187;, kar napadalcu omogo\u010da zamenjavo datoteke &#171;.git&#187; v podmodulu s simbolno povezavo, ki ka\u017ee na imenik s nastavitvami in hooki.<\/p>\n<p>Ostale ranjivosti:<\/p>\n<ul>\n<li class=\"l\"> CVE-2026-113408 &#8212; prekora\u010ditev mape refs\/ s prenosom simbolne povezave s vrednostjo &#171;refs\/heads\/....\/....\/....\/TARGET&#187; kot veje HEAD pri kloniranju praznega repozitorija po protokolu Git v2. Pri kasnej\u0161em izvajanju &#171;git commit&#187; bo ustvarjena datoteka TARGET v korenu repozitorija, kar se lahko uporabi za prepisovanje datotek v repozitoriju in organizacijo izvajanja kode.\n<li class=\"l\"> CVE-2026-114467 &#8212; prekora\u010ditev sklada pri odstranjevanju GPG-podpisov, ki lahko potencialno privede do izvajanja poljubne kode. Te\u017eava izhaja iz dejstva, da funkcija remove_signature() shranjuje polo\u017eaje podpisov v fiksnem polju, zasnovanem najve\u010d za dva podpisa. Pri prenosu oznake s tremi in ve\u010d podpisi se podatki shranijo izven polja.\n<li class=\"l\"> CVE-2026-114469 &#8212; pri preverjanju omejitev glede velikosti binarnih popravkov so bili upo\u0161tevani podatki pred razpakiranjem stisnjenih podatkov, kar je privedlo do branja vsebine iz podro\u010dja zunaj meja pomnilnika.\n<li class=\"l\"> CVE-2026-105437 &#8212; po\u0161kodba pomnilnika pri izvedbi velikih operacij zdru\u017eevanja zaradi akumulacije velikosti rezultata v polju z vrste int. V konfiguraciji GitLab lahko ranljivost izkoristimo za izvajanje kode (te\u017eava je blokirana v GitLab 19.5.4).\n<li class=\"l\"> CVE-2026-114466 &#8212; prepisovanje poljubnih datotek v FS preko ukaza &#171;git fast-import&#187; zaradi nepopolnega odpravljanja ranljivosti CVE-2019-1348.\n<\/ul>\n<p>Izvor: <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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