{"id":11099,"date":"2022-04-15T16:54:03","date_gmt":"2022-04-15T13:54:03","guid":{"rendered":"https:\/\/kutaybilen.com.tr\/?p=11099"},"modified":"2022-04-15T16:54:03","modified_gmt":"2022-04-15T13:54:03","slug":"sudo-komutunda-guvenlik-acigi-tespit-edildi","status":"publish","type":"post","link":"https:\/\/kutaybilen.com.tr\/?p=11099","title":{"rendered":"Sudo Komutunda G\u00fcvenlik A\u00e7\u0131\u011f\u0131 Tespit Edildi"},"content":{"rendered":"

Linux ya da MacOS \u00fczere Unix tabanl\u0131 bir i\u015fletim sistemi kullan\u0131p, komut sat\u0131r\u0131 ile s\u00fcre\u00e7 yapm\u0131\u015fsan\u0131z \u201csudo\u201dyu katiyetle biliyorsunuzdur. Sudo, sahip oldu\u011funuzdan daha farkl\u0131 izinlere muhta\u00e7l\u0131k duyan uygulamalar i\u00e7in kullan\u0131l\u0131r diye \u00f6zetleyebiliriz. Sudo, \u00e7ok g\u00fc\u00e7l\u00fc, ancak g\u00f6r\u00fcnen o ki \u015fimdiye kadar g\u00fc\u00e7l\u00fcyd\u00fc.\u00a0<\/p>\n

Geli\u015ftiriciler, konfig\u00fcrasyonu a\u00e7\u0131k\u00e7a yasaklasa bile, root seviyesindeki eri\u015fim talebine m\u00fcsaade veren bir sudo yanl\u0131\u015f\u0131 tespit ettiler. Davetsiz konuklar, bir sefer sudo \u00e7al\u0131\u015ft\u0131rmak i\u00e7in k\u00e2fi eri\u015fime sahip olduktan sonra makinede istedikleri s\u00fcreci yapabilirler.<\/p>\n

<\/p>\n

Sudoda ortaya \u00e7\u0131kan tuhafl\u0131k, sudonun kullan\u0131c\u0131 kimlikleriyle\u00a0ger\u00e7ekle\u015ftirdi\u011fi etkile\u015fim nedeniyle ortaya \u00e7\u0131k\u0131yor. Komut sat\u0131r\u0131na yazaca\u011f\u0131n\u0131z komutu, -1 kullan\u0131c\u0131 kimli\u011fi ya da onun muadili olan 4294967295 ile yazd\u0131ysan\u0131z, kay\u0131t defterinde ger\u00e7ek kullan\u0131c\u0131 kimli\u011fi ile kaydedilmi\u015f olsa bile size root eri\u015fimi\u00a0kullan\u0131c\u0131 kimli\u011fi 0 \u00fczere davran\u0131r. Kelam konusu kullan\u0131c\u0131 kimlikleri veritaban\u0131nda mevcut de\u011fil. Bu y\u00fczden komutu kullanmak i\u00e7in \u015fifre gerekmiyor.<\/p>\n

Geli\u015ftiriciler, sorunu\u00a0\u015fu anda yaln\u0131zca Linux kullan\u0131c\u0131lar\u0131n\u0131n ya\u015fad\u0131\u011f\u0131n\u0131 belirtiyor. Sorunu ya\u015famak istemeyen Linux kullan\u0131c\u0131lar\u0131n\u0131n,\u00a01.8.28 yahut \u00fcst\u00fc bir sudo paketini kullanmalar\u0131 gerekiyor. Rastgele bir sald\u0131rgan\u0131n, bu a\u00e7\u0131ktan yararlanmay\u0131 d\u00fc\u015f\u00fcnmeden evvel sisteminizde komut sat\u0131r\u0131 denetimine sahip olmas\u0131 gerekece\u011fi i\u00e7in \u015fu an savunmas\u0131z durumda olabilirsiniz. Sorunun bir g\u00fcncelleme ile \u00e7\u00f6z\u00fclecek olmas\u0131 k\u0131ymetli. Lakin yeniden de, bu kadar de\u011ferli bir komutun savunmas\u0131z oldu\u011funu bilmek kullan\u0131c\u0131lar a\u00e7\u0131s\u0131ndan hi\u00e7 d\u00fczg\u00fcn de\u011fil.<\/p>\n

<\/div>\n
\n
En Akt\u00fcel Haberler<\/div>\n
\n
    \n
  1. \n
    \n
    \n

    Oppo, Yeni Ekran Dizayn\u0131yla Bir Ak\u0131ll\u0131 Telefon \u0130htilali Yapmaya H…<\/span><\/b><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  2. \n
    \n
    \n

    \u0130nterneti Hudutlu Olanlara \u00d6zel G\u00f6r\u00fcnt\u00fc \u0130ndirme Sitesi: Offliberty<\/span><\/b><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  3. \n
    \n
    \n

    Fortnite’ta Oyuncular\u0131n Psikolojisini Bozan Kara Delik Yok Oldu<\/span><\/b><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  4. \n
    \n
    \n

    Dubai’den Radikal E\u011fitim Karar\u0131: Yak\u0131n Gelecekte Okullarda \u0130mtihan…<\/span><\/b><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  5. \n
    \n
    \n

    Elon Musk: Tesla’n\u0131n Pickup’\u0131 Gelecekten Gelen Z\u0131rhl\u0131 Ara\u00e7 \u00dczere G…<\/span><\/b><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  6. \n
    \n
    \n

    Bir \u0130nternet Sitesi, 90’l\u0131 Y\u0131llar\u0131n En Tan\u0131nan 2.500 MS-DOS Oyunu…<\/span><\/b><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  7. \n
    \n
    \n

    Eski NASA \u00c7al\u0131\u015fan\u0131: Mars\u2019ta Hayat\u0131n Delilini \u00c7oktan Bulduk<\/span><\/b><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  8. \n
    \n
    \n

    \u0130nternet Arac\u0131l\u0131\u011f\u0131yla \u00c7\u00f6z\u00fclen 9 Gizem ve Hata<\/span><\/b><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  9. \n
    \n
    \n

    Oppo’nun G\u00fcndem Yaratan S\u0131la’l\u0131 Yeni Reklam Sinemas\u0131<\/span><\/b><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  10. \n
    \n
    \n

    Tan\u0131mlanamayan Bir Objenin Kara Deli\u011fi Besledi\u011fi Ke\u015ffedildi<\/span><\/b><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/li>\n<\/ol><\/div>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

    Linux ya da MacOS \u00fczere Unix tabanl\u0131 bir i\u015fletim sistemi kullan\u0131p, komut sat\u0131r\u0131 ile s\u00fcre\u00e7 yapm\u0131\u015fsan\u0131z \u201csudo\u201dyu katiyetle biliyorsunuzdur. Sudo …<\/p>\n","protected":false},"author":1,"featured_media":11100,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[854],"tags":[863],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/11099"}],"collection":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11099"}],"version-history":[{"count":1,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/11099\/revisions"}],"predecessor-version":[{"id":11101,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/11099\/revisions\/11101"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/media\/11100"}],"wp:attachment":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11099"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}