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OpenAdvisories
Unscored CVE-2021-42377 EUVD-2021-29348GHSA-phvg-gc27-gjwp

An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a craft…

Published Nov 15, 2021 · Updated Aug 4, 2024 · Assigned by JFROG

Description

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.

Affected products

VendorProductAffectedFixed
busybox busybox unspecified – < 1.34.0 1.34.0

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 busybox 1:1.35.0-1 —
Debian 13 busybox 1:1.35.0-1 —
Debian 12 busybox 1:1.35.0-1 —
ReleasePackageFixed inAdvisory
SLES 15 SP4 busybox 1.35.0-150400.3.3.1 SUSE-SU-2022:3959-1
SLES 15 SP3 busybox 1.34.1-4.9.1 SUSE-SU-2022:0135-1
SLES 15 SP2 busybox 1.34.1-4.9.1 SUSE-SU-2022:0135-1
SLES 15 SP1 busybox 1.34.1-4.9.1 SUSE-SU-2022:0135-1
SLES 15 busybox 1.34.1-4.9.1 SUSE-SU-2022:0135-1
Show 20 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES 12 SP5 busybox 1.35.0-4.3.1 SUSE-SU-2022:4253-1
SLES 12 SP4 busybox 1.35.0-4.3.1 SUSE-SU-2022:4253-1
SLES 12 SP3 busybox 1.35.0-4.3.1 SUSE-SU-2022:4253-1
SLES 12 SP2 busybox 1.35.0-4.3.1 SUSE-SU-2022:4253-1
SLES for SAP 15 SP2 busybox 1.34.1-4.9.1 SUSE-SU-2022:0135-1
SLES for SAP 15 SP1 busybox 1.34.1-4.9.1 SUSE-SU-2022:0135-1
SLES for SAP 15 busybox 1.34.1-4.9.1 SUSE-SU-2022:0135-1
SLES for SAP 12 SP5 busybox 1.35.0-4.3.1 SUSE-SU-2022:4253-1
SLES for SAP 12 SP4 busybox 1.35.0-4.3.1 SUSE-SU-2022:4253-1
SLE Real Time 15 SP2 busybox 1.34.1-4.9.1 SUSE-SU-2022:0135-2
SLE HPC 15 SP2 busybox 1.34.1-4.9.1 SUSE-SU-2022:0135-1
SLE HPC 15 SP1 busybox 1.34.1-4.9.1 SUSE-SU-2022:0135-1
SLE HPC 15 busybox 1.34.1-4.9.1 SUSE-SU-2022:0135-1
SUSE OpenStack Cloud Crowbar 9 busybox 1.35.0-4.3.1 SUSE-SU-2022:4253-1
SUSE OpenStack Cloud 9 busybox 1.35.0-4.3.1 SUSE-SU-2022:4253-1
SUSE Manager Server 4.1 busybox 1.34.1-4.9.1 SUSE-SU-2022:0135-1
SUSE Manager Retail Branch Server 4.1 busybox 1.34.1-4.9.1 SUSE-SU-2022:0135-1
SUSE Manager Proxy 4.1 busybox 1.34.1-4.9.1 SUSE-SU-2022:0135-1
SUSE Enterprise Storage 7 busybox 1.34.1-4.9.1 SUSE-SU-2022:0135-1
SUSE Enterprise Storage 6 busybox 1.34.1-4.9.1 SUSE-SU-2022:0135-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed busybox 1.35.0-1.1 openSUSE-SU-2024:11738-1
openSUSE Leap 15.4 busybox 1.35.0-150400.3.3.1 SUSE-SU-2022:3959-1
openSUSE Leap 15.3 busybox 1.34.1-4.9.1 openSUSE-SU-2022:0135-1
openSUSE Leap 15.3 virtualbox 6.1.34-lp153.2.27.2 openSUSE-SU-2022:0135-1
openSUSE Leap 15.3 virtualbox-kmp 6.1.34-lp153.2.27.1 openSUSE-SU-2022:0135-1

Advisories 14

References