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alpinelinuxAlpine Linux Development TeamALPINE:CVE-2023-40890
HistoryAug 29, 2023 - 5:15 p.m.

CVE-2023-40890

2023-08-2917:15:12
Alpine Linux Development Team
security.alpinelinux.org
6
stack-based buffer overflow
zbar 0.23.90
arbitrary code execution
crafted qr codes

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.5%

A stack-based buffer overflow vulnerability exists in the lookup_sequence function of ZBar 0.23.90. Specially crafted QR codes may lead to information disclosure and/or arbitrary code execution. To trigger this vulnerability, an attacker can digitally input the malicious QR code, or prepare it to be physically scanned by the vulnerable scanner.

OSVersionArchitecturePackageVersionFilename
Alpineedge-communitynoarchzbar< 0.23.93-r0UNKNOWN
Alpine3.19-communitynoarchzbar< 0.23.93-r0UNKNOWN
Alpine3.20-communitynoarchzbar< 0.23.93-r0UNKNOWN

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.5%