CVE-2021-42384

Published on: 11/15/2021 12:00:00 AM UTC

Last Modified on: 01/04/2022 05:15:00 PM UTC

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Certain versions of Busybox from Busybox contain the following vulnerability:

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 handle_special function

  • CVE-2021-42384 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.
  • Affected Vendor/Software: URL Logo busybox - busybox version < 1.34.0

CVSS3 Score: 7.2 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW HIGH NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 6.5 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK LOW SINGLE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags Link
November 2021 BusyBox Vulnerabilities in NetApp Products | NetApp Product Security security.netapp.com
text/html
URL Logo CONFIRM security.netapp.com/advisory/ntap-20211223-0002/
Unboxing BusyBox - 14 new vulnerabilities uncovered by Claroty and JFrog | JFrog Third Party Advisory
jfrog.com
text/html
URL Logo MISC jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
[SECURITY] Fedora 33 Update: busybox-1.34.1-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-5a95823596
No Description Provided lists.fedoraproject.org

Inactive LinkNot Archived
URL Logo FEDORA FEDORA-2021-c52c0fe490

Related QID Numbers

  • 198599 Ubuntu Security Notification for BusyBox Vulnerabilities (USN-5179-1)
  • 282073 Fedora Security Update for busybox (FEDORA-2021-c52c0fe490)
  • 282074 Fedora Security Update for busybox (FEDORA-2021-5a95823596)
  • 353116 Amazon Linux Security Advisory for busybox : ALAS-2022-1558
  • 353241 Amazon Linux Security Advisory for busybox : AL2012-2022-358
  • 500082 Alpine Linux Security Update for busybox
  • 501387 Alpine Linux Security Update for busybox
  • 501735 Alpine Linux Security Update for busybox
  • 501950 Alpine Linux Security Update for busybox
  • 671364 EulerOS Security Update for busybox (EulerOS-SA-2022-1303)
  • 671377 EulerOS Security Update for busybox (EulerOS-SA-2022-1287)
  • 671487 EulerOS Security Update for busybox (EulerOS-SA-2022-1472)
  • 671518 EulerOS Security Update for busybox (EulerOS-SA-2022-1463)
  • 730371 McAfee Web Gateway Multiple Vulnerabilities (WP-3335,WP-4131,WP-4159,WP-4237,WP-4259,WP-4329,WP-4348,WP-4355,WP-4376,WP-4407,WP-4421)
  • 751624 SUSE Enterprise Linux Security Update for busybox (SUSE-SU-2022:0135-1)
  • 751633 OpenSUSE Security Update for busybox (openSUSE-SU-2022:0135-1)
  • 752794 SUSE Enterprise Linux Security Update for busybox (SUSE-SU-2022:3959-1)
  • 752903 SUSE Enterprise Linux Security Update for busybox (SUSE-SU-2022:4253-1)
  • 900413 Common Base Linux Mariner (CBL-Mariner) Security Update for busybox (6192)
  • 901252 Common Base Linux Mariner (CBL-Mariner) Security Update for busybox (6350-1)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationBusyboxBusyboxAllAllAllAll
Operating
System
FedoraprojectFedora33AllAllAll
Operating
System
FedoraprojectFedora34AllAllAll
  • cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-42384 : A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution wh… twitter.com/i/web/status/1… 2021-11-15 21:14:42
Twitter Icon @Robo_Alerts Potentially Critical CVE Detected! CVE-2021-42384 Description: A use-after-free in Busybox's awk applet leads to de… twitter.com/i/web/status/1… 2021-11-15 22:00:09
Twitter Icon @SecRiskRptSME RT: CVE-2021-42384 A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution… twitter.com/i/web/status/1… 2021-11-16 08:33:37
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