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MitreCVE-2021-39247

HistoryAug 17, 2021 - 9:15 p.m.

CVE-2021-39247

2021-08-1721:15:06

CWE-125

mitre

web.nvd.nist.gov

cve-2021-39247

zint barcode generator

buffer over-read

code1.c

rs_encode_uint

reedsol.c

nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

41.0%

JSON

Zint Barcode Generator before 2.10.0 has a one-byte buffer over-read, related to is_last_single_ascii in code1.c, and rs_encode_uint in reedsol.c.

Affected configurations

Nvd

Node

zintbarcode_generatorRange<2.10.0

VendorProductVersionCPE
zintbarcode_generator*cpe:2.3:a:zint:barcode_generator:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
zint	barcode_generator	*	cpe:2.3:a:zint:barcode_generator::::::::

References

sourceforge.net/p/zint/code/ci/9b02cd52214e80f945bff41fc94bc1e17e15810c/

sourceforge.net/p/zint/tickets/232/

Social References

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

41.0%

JSON

Related for CVE-2021-39247