Vulnerability CVE-2021-42380
Published: 2021-11-15   Modified: 2021-11-17

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 clrvar function

Type:

CWE-416

 (Use After Free)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Busybox -> Busybox 

 References:
https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
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