Sono state rese note informazioni su cinque vulnerabilit\u00e0 nelle librerie libX11 e libXpm, sviluppate dal progetto X.Org. I problemi sono stati risolti nelle versioni libXpm 3.5.17 e libX11 1.8.7. Tre vulnerabilit\u00e0 sono state identificate nella libreria libx11, che offre funzioni con l'implementazione client del protocollo X11: <\/p>\n
Inoltre, sono state scoperte due vulnerabilit\u00e0 nella libreria libXpm (CVE-2023-43788 e CVE-2023-43789) causate dalla possibilit\u00e0 di leggere aree al di fuori dei limiti della memoria allocata. I problemi si manifestano durante il caricamento di un commento dal buffer in memoria e nell'elaborazione di un file XPM con una mappa colori non valida. Entrambe le vulnerabilit\u00e0 risalgono al 1998 e sono state scoperte grazie all'uso di strumenti per l'individuazione degli errori nella gestione della memoria e al fuzzing con AddressSanitizer e libFuzzer. <\/p>\n
X.org ha storicamente avuto problemi di sicurezza, ad esempio dieci anni fa, durante la 30\u00b0 conferenza del Chaos Communication Congress (CCC) in una presentazione del ricercatore di sicurezza Ilja van Sprundel, met\u00e0 della presentazione era dedicata ai problemi in server<\/a> X.Org, e l'altra met\u00e0 della sicurezza delle librerie client X11. Nella relazione di Ilya, che nel 2013 ha identificato 30 vulnerabilit\u00e0 che interessano varie librerie client X11, oltre ai componenti DRI di Mesa, c'erano affermazioni emotive come \u00abGLX \u2014 \u00e8 un terribile demotivante! 80.000 righe di puro orrore!\u00bb e \u00abNegli ultimi mesi ho trovato 120 errori e non ho ancora finito di controllarlo\u00bb. \u041e\u0431\u043d\u0430\u0440\u043e\u0434\u043e\u0432\u0430\u043d\u0430 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e \u043f\u044f\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u0445 \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430\u0445 libX11 \u0438 libXpm, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c X.Org. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 libXpm 3.5.17 \u0438 libX11 1.8.7. \u0422\u0440\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 libx11, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0435\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0441 \u043a\u043b\u0438\u0435\u043d\u0442\u0441\u043a\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 X11: CVE-2023-43785 — \u0432\u044b\u0445\u043e\u0434 \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u044b \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u043a\u043e\u0434\u0435 libX11, \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u044e\u0449\u0438\u0439\u0441\u044f \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043e\u0442\u0432\u0435\u0442\u0430 \u043e\u0442 X-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0441 \u0447\u0438\u0441\u043b\u043e\u043c \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432, \u043d\u0435 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-110740","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Vulnerabilit\u00e0 nelle librerie X.Org, due delle quali sono presenti dal 1988 | ProHoster","description":"\u00c8 stata resa nota l'informazione su cinque vulnerabilit\u00e0 nelle librerie libX11 e libXpm, sviluppate dal progetto X.Org. 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Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"