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-2021-42376: 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...

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: 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-2021-42384: 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 handlespecial function...

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-2021-42376

CVE-2021-42376 is a BusyBox vulnerability affecting the hush applet where a NULL pointer dereference can cause denial of service when processing a crafted command due to missing validation after a delimiter. Public disclosures and vendor advisories across multiple distributions (Debian, Alpine, F...

BusyBox resource management error vulnerability

BusyBox is a set of applications containing several linux commands and tools by Denis Vlasenko, a Ukrainian personal developer. BusyBox suffers from a resource management error vulnerability that stems from a denial of service and possible code enforcement due to post-release usage in Busybox's a...

BusyBox resource management error vulnerability

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 buffer error vulnerability

A buffer overflow vulnerability exists in the Busybox unlzma applet, which stems from an out-of-bounds heap read in Busybox's unlzma applet that can lead to information leakage and denial of service when unzipping lzma compressed input to a denial of service. No details of the vulnerability are...

Busybox security vulnerabilities

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...

BusyBox code-related vulnerabilities

A code issue vulnerability exists in Busybox, a set of applications containing several linux commands and tools developed by Denis Vlasenko, a Ukrainian personal developer, which stems from the fact that the product's man applet does not handle certain input data appropriately. An attacker could...

BusyBox resource management error vulnerability

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 the Busybox awk applet when...

BusyBox resource management error vulnerability

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...

BusyBox resource management error vulnerability

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...

BusyBox code-related vulnerabilities

BusyBox is a suite of applications containing several linux commands and tools from the Ukrainian personal developer Denis Vlasenko. A code issue vulnerability exists in the Busybox hush applet, which stems from the fact that dereferencing the NULL pointer in Busybox's hush applet will result in ...

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...

PT-2021-5546

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 next input file function. This could allo...

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...