CVE-2021-42379

Name
CVE-2021-42379
Description
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 next_input_file function
NVD Severity
medium
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Third Party Advisory https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:* busybox >= 1.18.0 <= 1.33.1

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
busybox 3.14-main 1.33.1-r6 Natanael Copa <ncopa@alpinelinux.org> fixed
busybox 3.13-main 1.32.1-r7 Natanael Copa <ncopa@alpinelinux.org> fixed
busybox 3.12-main 1.31.1-r21 Natanael Copa <ncopa@alpinelinux.org> fixed
busybox 3.11-main 1.31.1-r11 Natanael Copa <ncopa@alpinelinux.org> fixed