CVE-2021-28831

2021-03-1900:00:00

ubuntu.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.008 Low

EPSS

Percentile

81.0%

JSON

decompress_gunzip.c in BusyBox through 1.32.1 mishandles the error bit on
the huft_build result pointer, with a resultant invalid free or
segmentation fault, via malformed gzip data.

Bugs

<https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=985674>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchbusybox< 1:1.27.2-2ubuntu3.4UNKNOWN
ubuntu20.04noarchbusybox< 1:1.30.1-4ubuntu6.4UNKNOWN
ubuntu21.04noarchbusybox< 1:1.30.1-6ubuntu2.1UNKNOWN
ubuntu21.10noarchbusybox< 1:1.30.1-6ubuntu3.1UNKNOWN
ubuntu22.04noarchbusybox< 1:1.30.1-7ubuntu2UNKNOWN
ubuntu22.10noarchbusybox< 1:1.30.1-7ubuntu2UNKNOWN
ubuntu23.04noarchbusybox< 1:1.30.1-7ubuntu2UNKNOWN
ubuntu14.04noarchbusybox< 1:1.21.0-1ubuntu1.4+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchbusybox< 1:1.22.0-15ubuntu1.4+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	busybox	< 1:1.27.2-2ubuntu3.4	UNKNOWN
ubuntu	20.04	noarch	busybox	< 1:1.30.1-4ubuntu6.4	UNKNOWN
ubuntu	21.04	noarch	busybox	< 1:1.30.1-6ubuntu2.1	UNKNOWN
ubuntu	21.10	noarch	busybox	< 1:1.30.1-6ubuntu3.1	UNKNOWN
ubuntu	22.04	noarch	busybox	< 1:1.30.1-7ubuntu2	UNKNOWN
ubuntu	22.10	noarch	busybox	< 1:1.30.1-7ubuntu2	UNKNOWN
ubuntu	23.04	noarch	busybox	< 1:1.30.1-7ubuntu2	UNKNOWN
ubuntu	14.04	noarch	busybox	< 1:1.21.0-1ubuntu1.4+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN
ubuntu	16.04	noarch	busybox	< 1:1.22.0-15ubuntu1.4+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN