CVE-2021-42377

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

Last Modified on: 03/31/2022 04:29:00 PM UTC

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

Certain versions of Busybox from Busybox contain the following vulnerability:

An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a crafted shell command, due to the shell mishandling the &&& string. This may be used for remote code execution under rare conditions of filtered command input.

  • CVE-2021-42377 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as CRITICAL severity.
  • Affected Vendor/Software: URL Logo busybox - busybox version < 1.34.0

CVSS3 Score: 9.8 - CRITICAL

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

CVSS2 Score: 6.8 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM NONE
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 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

  • 282073 Fedora Security Update for busybox (FEDORA-2021-c52c0fe490)
  • 282074 Fedora Security Update for busybox (FEDORA-2021-5a95823596)
  • 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)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationBusyboxBusybox1.33.0AllAllAll
ApplicationBusyboxBusybox1.33.1AllAllAll
Operating
System
FedoraprojectFedora33AllAllAll
Operating
System
FedoraprojectFedora34AllAllAll
ApplicationNetappCloud Backup-AllAllAll
Hardware Device InfoNetappH300e-AllAllAll
Operating
System
NetappH300e Firmware-AllAllAll
Hardware Device InfoNetappH300s-AllAllAll
Operating
System
NetappH300s Firmware-AllAllAll
Hardware Device InfoNetappH410s-AllAllAll
Operating
System
NetappH410s Firmware-AllAllAll
Hardware Device InfoNetappH500e-AllAllAll
Operating
System
NetappH500e Firmware-AllAllAll
Hardware Device InfoNetappH500s-AllAllAll
Operating
System
NetappH500s Firmware-AllAllAll
Hardware Device InfoNetappH700e-AllAllAll
Operating
System
NetappH700e Firmware-AllAllAll
Hardware Device InfoNetappH700s-AllAllAll
Operating
System
NetappH700s Firmware-AllAllAll
ApplicationNetappHci Management Node-AllAllAll
ApplicationNetappSolidfire-AllAllAll
  • cpe:2.3:a:busybox:busybox:1.33.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:busybox:busybox:1.33.1:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-42377 : An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possib… twitter.com/i/web/status/1… 2021-11-15 21:12:18
Twitter Icon @Robo_Alerts Potentially Critical CVE Detected! CVE-2021-42377 Description: An attacker-controlled pointer free in Busybox's hus… twitter.com/i/web/status/1… 2021-11-15 22:00:10
Twitter Icon @SecRiskRptSME RT: CVE-2021-42377 An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and pos… twitter.com/i/web/status/1… 2021-11-16 08:33:32
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