CVE-2021-42379

CVE-2021-42379 is a vulnerability in BusyBox’s awk applet causing a use-after-free in the next_input_file function, leading to denial of service and potentially code execution when processing crafted awk patterns. Publicly documented in Debian LTS advisories and vendor bulletins as affecting Busy...

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-2021-42382

CVE-2021-42382 is a publicly documented use-after-free in BusyBox, specifically in the awk applet (getvar_s function), which can cause denial of service and possibly code execution when processing crafted awk patterns. Connected sources confirm the issue and note remediation via BusyBox upgrades....

CVE-2021-42385

CVE-2021-42385 is a BusyBox vulnerability in the awk applet. The issue is a use-after-free in the awk evaluate function, which can cause denial of service and potentially allow code execution when processing a crafted awk pattern. Public reports across multiple vendors reference BusyBox awk patte...

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-2021-42377

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-2021-42373

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...

CVE-2021-42373: NULL Pointer Dereference

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...

CVE-2021-42379: 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 nextinputfile function...

CVE-2021-42374: Out-of-bounds Read

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...

CVE-2021-42386: 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 nvalloc function...

CVE-2021-42375: Improper Handling of Invalid Use of Special Elements

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-2021-42385: 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-2021-42378: 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 getvari function...

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...

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-2021-42380: 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 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...

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...

BusyBox 资源管理错误漏洞

BusyBox is a suite of applications containing several linux commands and tools from Ukrainian individual developer Denis Vlasenko. Busybox's awk applet is vulnerable to a resource management error that could be exploited by an attacker to execute code while processing a carefully crafted awk...