CVE-2021-27799

ean_leading_zeroes in backend/upcean.c in Zint Barcode Generator 2.9.1 has a stack-based buffer overflow that is reachable from the C API through an application that includes the Zint Barcode Generator library code.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://zint.org.uk/Manual.aspx?type=p&page=3	Vendor Advisory
http://zint.org.uk/Manual.aspx?type=p&page=4	Vendor Advisory
http://zint.org.uk/Manual.aspx?type=p&page=5	Vendor Advisory
https://sourceforge.net/p/zint/code/ci/7f8c8114f31c09a986597e0ba63a49f96150368a/	Patch Third Party Advisory
https://sourceforge.net/p/zint/tickets/218/	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:zint:barcode_generator:2.9.1:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-02-26 22:15

Updated : 2024-02-28 18:08

NVD link : CVE-2021-27799

Mitre link : CVE-2021-27799

CVE.ORG link : CVE-2021-27799

JSON object : View

Products Affected

zint

barcode_generator

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2021-27799", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-02-26T22:15:20.847", "references": [{"url": "http://zint.org.uk/Manual.aspx?type=p&page=3", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://zint.org.uk/Manual.aspx?type=p&page=4", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://zint.org.uk/Manual.aspx?type=p&page=5", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://sourceforge.net/p/zint/code/ci/7f8c8114f31c09a986597e0ba63a49f96150368a/", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://sourceforge.net/p/zint/tickets/218/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "ean_leading_zeroes in backend/upcean.c in Zint Barcode Generator 2.9.1 has a stack-based buffer overflow that is reachable from the C API through an application that includes the Zint Barcode Generator library code."}, {"lang": "es", "value": "La funci\u00f3n ean_leading_zeroes en el archivo backend/upcean.c en Zint Barcode Generator versi\u00f3n 2.19.1, presenta un desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria que es accesible desde la API C por medio de una aplicaci\u00f3n que incluye el c\u00f3digo de la biblioteca Zint Barcode Generator"}], "lastModified": "2021-03-10T16:59:06.673", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:zint:barcode_generator:2.9.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "97B2F0DF-8C6E-487A-AE06-4EBBA3ED17DA"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}