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...

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...

CVE-2021-42381

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the hashinit function...

CVE-2021-42385

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the evaluate function...

CVE-2021-42378

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the getvari function...

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...

UBUNTU-CVE-2021-42384

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the handlespecial function...

UBUNTU-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...

Design/Logic Flaw

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the handlespecial function...

UBUNTU-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...

UBUNTU-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...

UBUNTU-CVE-2021-42382

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the getvars function...

UBUNTU-CVE-2021-42379

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the nextinputfile function...

UBUNTU-CVE-2021-42386

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the nvalloc function...

UBUNTU-CVE-2021-42383

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the evaluate function...

CVE-2021-42384

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the handlespecial function...

CVE-2021-42373

CVE-2021-42373 is a NULL pointer dereference in BusyBox's man applet triggered when a section name is supplied but no page argument is given, causing a denial of service via local access. Affected product: BusyBox (man applet). Root cause: NULL pointer dereference in mq_handle logic; impact: loca...

Busybox 安全漏洞

A security vulnerability exists in the Busybox hush applet, which stems from the shell's incorrect handling of the &&&& string in the Busybox hush applet, which was developed by Denis Vlasenko, a Ukrainian developer. An attacker could exploit this vulnerability to cause a denial of service and...

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...

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...