Published: 15/11/2021 Updated: 07/11/2023

CVSS v2 Base Score: 6.5 | Impact Score: 6.4 | Exploitability Score: 8

CVSS v3 Base Score: 7.2 | Impact Score: 5.9 | Exploitability Score: 1.2

VMScore: 578

Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

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

Vulnerable Product	Search on Vulmon	Subscribe to Product
busybox busybox
fedoraproject fedora 33
fedoraproject fedora 34

Debian Bug report logs - #999567 busybox: CVE-2021-42373 through CVE-2021-42386 (fixed in 134) Package: busybox; Maintainer for busybox is Debian Install System Team <debian-boot@listsdebianorg>; Source for busybox is src:busybox (PTS, buildd, popcon) Reported by: Diederik de Haas <dididebian@cknoworg> Date: Fri ...

A flaw was found in BusyBox, where it did not properly sanitize while processing a crafted shell command, leading to a denial of service The highest threat from this vulnerability is to system availability (CVE-2021-42376) A flaw was found in BusyBox, where it did not properly sanitize while processing a crafted awk pattern, leading to possible c ...

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 ...

A use-after-free in Busybox's awk applet before version 1340 leads to denial of service and possibly code execution when processing a crafted awk pattern in the nvalloc function ...

CWE-416 https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/https://security.netapp.com/advisory/ntap-20211223-0002/https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=999567 https://nvd.nist.gov https://alas.aws.amazon.com/ALAS-2022-1558.html

CVE-2021-42386

Vulnerability Summary

Vulnerability Trend

Vendor Advisories

References

Vulmon Search

About

Products

Connect