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cveMitreCVE-2021-28831
HistoryMar 19, 2021 - 5:15 a.m.

CVE-2021-28831

2021-03-1905:15:13
CWE-755
mitre
web.nvd.nist.gov
281
5
busybox
decompress_gunzip
invalid free
vulnerability
cve-2021-28831
nvd

CVSS2

5

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

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

AI Score

6.7

Confidence

High

EPSS

0.008

Percentile

81.3%

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.

Affected configurations

Nvd
Node
busyboxbusyboxRange1.32.0–1.32.1
Node
fedoraprojectfedoraMatch32
OR
fedoraprojectfedoraMatch33
OR
fedoraprojectfedoraMatch34
Node
debiandebian_linuxMatch9.0
VendorProductVersionCPE
busyboxbusybox*cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*
fedoraprojectfedora32cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
fedoraprojectfedora33cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
fedoraprojectfedora34cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
debiandebian_linux9.0cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

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CVSS2

5

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

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

AI Score

6.7

Confidence

High

EPSS

0.008

Percentile

81.3%

JSON
Related for CVE-2021-28831
redos13amazon1cbl_mariner2ibm1openvas19ubuntu3nessus18archlinux2cvelist1debian1gentoo1mageia1osv6prion1nvd1redhatcve1fedora3alpinelinux1debiancve1veracode1ubuntucve1suse3cloudfoundry1ics1avleonov1