CVE-2021-42376
https://notcve.org/view.php?id=CVE-2021-42376
A NULL pointer dereference in Busybox's hush applet leads to denial of service when processing a crafted shell command, due to missing validation after a \x03 delimiter character. This may be used for DoS under very rare conditions of filtered command input. Una desreferencia de puntero NULL en el applet hush de Busybox conlleva a una denegación de servicio cuando es procesado un comando shell diseñado, debido a una falta de comprobación después de un carácter delimitador \x03. Esto puede ser usado para DoS bajo condiciones muy raras de entrada de comandos filtrados • https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS https://security.netapp.com/advisory/ntap-20211223-0002 • CWE-476: NULL Pointer Dereference •
CVE-2021-42374
https://notcve.org/view.php?id=CVE-2021-42374
An out-of-bounds heap read in Busybox's unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that Una lectura de pila fuera de límites en el applet unlzma de Busybox conlleva a un filtrado de información y una denegación de servicio cuando se descomprime una entrada comprimida LZMA manipulada. Esto puede ser desencadenado por cualquier applet/formato que • https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS https://security.netapp.com/advisory/ntap-20211223-0002 • CWE-125: Out-of-bounds Read •
CVE-2021-42377
https://notcve.org/view.php?id=CVE-2021-42377
An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a crafted shell command, due to the shell mishandling the &&& string. This may be used for remote code execution under rare conditions of filtered command input. Un puntero libre controlado por un atacante en el applet hush de Busybox conlleva a una denegación de servicio y una posible ejecución de código cuando es procesado un comando shell diseñado, debido a que el shell maneja inapropiadamente la cadena &&&. Esto puede ser usado para una ejecución de código remota bajo condiciones raras de entrada de comandos filtrados • https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS https://security.netapp.com/advisory/ntap-20211223-0002 • CWE-590: Free of Memory not on the Heap CWE-763: Release of Invalid Pointer or Reference •
CVE-2021-42375
https://notcve.org/view.php?id=CVE-2021-42375
An incorrect handling of a special element in Busybox's ash applet leads to denial of service when processing a crafted shell command, due to the shell mistaking specific characters for reserved characters. This may be used for DoS under rare conditions of filtered command input. Un manejo incorrecto de un elemento especial en el applet ash de Busybox conlleva una denegación de servicio cuando es procesado un comando shell diseñado, debido a que el shell confunde caracteres específicos con caracteres reservados. Esto puede ser usado para DoS bajo condiciones raras de entrada de comandos filtrados • https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS https://security.netapp.com/advisory/ntap-20211223-0002 • CWE-159: Improper Handling of Invalid Use of Special Elements •
CVE-2021-42373
https://notcve.org/view.php?id=CVE-2021-42373
A NULL pointer dereference in Busybox's man applet leads to denial of service when a section name is supplied but no page argument is given Una desreferencia de puntero NULL en el applet man de Busybox conlleva a una denegación de servicio cuando se proporciona un nombre de sección pero no se da ningún argumento de página • https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS https://security.netapp.com/advisory/ntap-20211223-0002 • CWE-476: NULL Pointer Dereference •