2023929 – (CVE-2021-42382) CVE-2021-42382 busybox: use-after-free in awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the getvar_s()

Bug 2023929 (CVE-2021-42382) - CVE-2021-42382 busybox: use-after-free in awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the getvar_s()

Summary: CVE-2021-42382 busybox: use-after-free in awk applet leads to denial of servi...

Keywords:
Status:	NEW
Alias:	CVE-2021-42382
Product:	Security Response
Classification:	Other
Component:	vulnerability
Sub Component:
Version:	unspecified
Hardware:	All
OS:	Linux
Priority:	medium
Severity:	medium
Target Milestone:	---
Assignee:	Nobody
QA Contact:
Docs Contact:
URL:
Whiteboard:
Depends On:	2023930
Blocks:	2023944
TreeView+	depends on / blocked

Reported:	2021-11-16 19:20 UTC by Guilherme de Almeida Suckevicz
Modified:	2023-07-07 08:34 UTC (History)
CC List:	5 users (show)
Fixed In Version:	BusyBox 1.34.0
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments	(Terms of Use)

Description Guilherme de Almeida Suckevicz 2021-11-16 19:20:15 UTC

A use-after-free in awk leads to denial of service and possibly code execution when processing a crafted awk pattern in the getvar_s function.

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

Comment 1 Guilherme de Almeida Suckevicz 2021-11-16 19:20:31 UTC

Created busybox tracking bugs for this issue:

Affects: fedora-all [bug 2023930]

Note You need to log in before you can comment on or make changes to this bug.