Vulnerability Name:

CVE-2021-42376 (CCN-213529)

Assigned:2021-11-09
Published:2021-11-09
Updated:2022-03-31
Summary:A NULL pointer dereference in Busybox's hush applet leads to denial of service when processing a crafted shell command, due to missing validation after a \x03 delimiter character. This may be used for DoS under very rare conditions of filtered command input.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
4.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H)
3.6 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:1.9 Low (CVSS v2 Vector: AV:L/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
3.8 Low (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-42376

Source: CCN
Type: BusyBox Web site
BusyBox

Source: XF
Type: UNKNOWN
busybox-cve202142376-dos(213529)

Source: CCN
Type: JFrog Blog, November 9, 2021
Unboxing BusyBox 14 new vulnerabilities uncovered by Claroty and JFrog

Source: N/A
Type: Third Party Advisory
N/A

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-c52c0fe490

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-5a95823596

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20211223-0002/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:busybox:busybox:*:*:*:*:*:*:*:* (Version >= 1.16.0 and < 1.34.0)

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:34:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/a:netapp:cloud_backup:-:*:*:*:*:*:*:*
  • OR cpe:/a:netapp:hci_management_node:-:*:*:*:*:*:*:*
  • OR cpe:/a:netapp:solidfire:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:h300s:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:h500s:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:h700s:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:h300e:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:h500e:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:h700e:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:h410s:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:busybox:busybox:1.27.2:*:*:*:*:*:*:*
  • OR cpe:/a:busybox:busybox:1.27.1:*:*:*:*:*:*:*
  • OR cpe:/a:busybox:busybox:1.29.3:*:*:*:*:*:*:*
  • OR cpe:/a:busybox:busybox:1.30.0:*:*:*:*:*:*:*
  • OR cpe:/a:busybox:busybox:1.32.1:*:*:*:*:*:*:*
  • OR cpe:/a:busybox:busybox:1.18.0:*:*:*:*:*:*:*
  • OR cpe:/a:busybox:busybox:1.28.0:*:*:*:*:*:*:*
  • OR cpe:/a:busybox:busybox:1.21.0:*:*:*:*:*:*:*
  • OR cpe:/a:busybox:busybox:1.26.0:*:*:*:*:*:*:*
  • OR cpe:/a:busybox:busybox:1.33.0:*:*:*:*:*:*:*
  • OR cpe:/a:busybox:busybox:1.33.1:*:*:*:*:*:*:*
  • OR cpe:/a:busybox:busybox:1.27.0:*:*:*:*:*:*:*
  • OR cpe:/a:busybox:busybox:1.16.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:3744
    P
    		Security update for java-11-openjdk (Important) (in QA)
    2022-07-22
    oval:org.opensuse.security:def:861
    P
    		Security update for busybox (Important)
    2022-01-20
    oval:org.opensuse.security:def:101592
    P
    		Security update for busybox (Important)
    2022-01-20
    oval:org.opensuse.security:def:99228
    P
    		 (Important)
    2022-01-17
    oval:org.opensuse.security:def:9876
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:99427
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:8727
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:96210
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:109556
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:92083
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:111864
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:70016
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:10445
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:102890
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:9139
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:96340
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:109599
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:92875
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:106316
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:70585
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:64833
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:102933
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:9887
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:99626
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:8922
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:96220
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:109566
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:92278
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:105723
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:70027
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:10714
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:102900
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:9478
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:99033
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:109687
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:93425
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:106515
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:70854
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:69618
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:103028
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:10427
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:99825
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:9117
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:96249
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:109576
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:92477
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:105918
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:70567
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:10718
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:102910
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:9677
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:96200
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:106804
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:70858
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:69817
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:10441
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:100136
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:9129
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:96259
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:109595
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:92676
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:106117
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:70581
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:73955
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    oval:org.opensuse.security:def:102929
    P
    		Security update for busybox (Important) (in QA)
    2022-01-14
    BACK
    busybox busybox *
    fedoraproject fedora 33
    fedoraproject fedora 34
    netapp cloud backup -
    netapp hci management node -
    netapp solidfire -
    netapp h300s firmware -
    netapp h300s -
    netapp h500s firmware -
    netapp h500s -
    netapp h700s firmware -
    netapp h700s -
    netapp h300e firmware -
    netapp h300e -
    netapp h500e firmware -
    netapp h500e -
    netapp h700e firmware -
    netapp h700e -
    netapp h410s firmware -
    netapp h410s -
    busybox busybox 1.27.2
    busybox busybox 1.27.1
    busybox busybox 1.29.3
    busybox busybox 1.30.0
    busybox busybox 1.32.1
    busybox busybox 1.18.0
    busybox busybox 1.28.0
    busybox busybox 1.21.0
    busybox busybox 1.26.0
    busybox busybox 1.33.0
    busybox busybox 1.33.1
    busybox busybox 1.27.0
    busybox busybox 1.16.0