CVE-2021-42382 — Use After Free in Busybox
Severity
7.2HIGHNVD
OSV7.5
EPSS
0.3%
top 44.86%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 15
Latest updateJun 15
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 getvar_s function
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 1.2 | Impact: 5.9
Affected Packages7 packages
Also affects: Fedora 33, 34
🔴Vulnerability Details
3GHSA▶
GHSA-xpm2-jxrf-prmx: 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 getvar_s↗2022-05-24
OSV▶
CVE-2021-42382: 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 getvar_s↗2021-11-15