BusyBox 资源管理错误漏洞

BusyBox is a set of applications containing several linux commands and tools by Denis Vlasenko, a Ukrainian personal developer. A resource management error vulnerability exists in the Busybox awk applet, which stems from a denial of service due to "use after free" in Busybox's awk applet when...

PT-2021-5547 · Busybox +5 · Busybox +5

Name of the Vulnerable Software and Affected Versions: BusyBox affected versions not specified Description: A use-after-free issue in BusyBox's awk applet can lead to denial of service and possibly code execution when processing a crafted awk pattern in the evaluate function. This allows a remote...

BusyBox 资源管理错误漏洞

BusyBox is a set of applications containing several linux commands and tools by Denis Vlasenko, a Ukrainian personal developer. A resource management error vulnerability exists in Busybox's awk applet, which can be exploited by an attacker to execute code while processing a specially crafted awk...

CVE-2021-42376: NULL Pointer Dereference

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...

BusyBox 资源管理错误漏洞

BusyBox is a set of applications containing several linux commands and tools by Denis Vlasenko, a Ukrainian personal developer. A resource management error vulnerability exists in Busybox's awk applet, which can be exploited by an attacker to execute code while handling specially crafted awk...

CVE-2021-42381

CVE-2021-42381 is a use-after-free in BusyBox’s awk applet (hash_init path) that can cause denial of service and may lead to code execution when processing crafted awk patterns. Affected BusyBox versions exist across distros; remediation is to upgrade BusyBox to a patched release (e.g., Debian 1:...

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-2021-42373

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...

CVE-2021-42383: Use After Free

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-2021-42380

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 clrvar 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-2021-42380

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 clrvar function...

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...

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: Use After Free

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...

PT-2021-5537 · Busybox +5 · Busybox +5

Name of the Vulnerable Software and Affected Versions: Busybox affected versions not specified Description: A use-after-free issue in Busybox's awk applet can lead to denial of service and possibly code execution when processing a crafted awk pattern in the handle special function. This can allow...

CVE-2021-42377: Free of Memory not on the Heap

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...

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-2021-42375

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...