CVE-2021-21949

An improper array index validation vulnerability exists in the JPEG-JFIF Scan header parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to an out-of-bounds write and potential code exectuion. An attacker can provide a malicious file to trigger this vulnerability.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1377	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:accusoft:imagegear:19.10:*:*:*:*:*:*:*

History

No history.

Information

Published : 2022-04-14 20:15

Updated : 2024-02-28 19:09

NVD link : CVE-2021-21949

Mitre link : CVE-2021-21949

CVE.ORG link : CVE-2021-21949

JSON object : View

Products Affected

accusoft

imagegear

CWE

CWE-129

Improper Validation of Array Index

{"id": "CVE-2021-21949", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV30": [{"type": "Secondary", "source": "talos-cna@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2022-04-14T20:15:08.560", "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1377", "tags": ["Exploit", "Third Party Advisory"], "source": "talos-cna@cisco.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-129"}]}, {"type": "Secondary", "source": "talos-cna@cisco.com", "description": [{"lang": "en", "value": "CWE-129"}]}], "descriptions": [{"lang": "en", "value": "An improper array index validation vulnerability exists in the JPEG-JFIF Scan header parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to an out-of-bounds write and potential code exectuion. An attacker can provide a malicious file to trigger this vulnerability."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de comprobaci\u00f3n inapropiada de \u00edndices de matrices en la funcionalidad del analizador de encabezados JPEG-JFIF de Accusoft ImageGear versi\u00f3n 19.10. Un archivo especialmente dise\u00f1ado puede conllevar a una escritura fuera de l\u00edmites y una posible ejecuci\u00f3n de c\u00f3digo. Un atacante puede proporcionar un archivo malicioso para desencadenar esta vulnerabilidad"}], "lastModified": "2022-04-21T15:44:52.377", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:accusoft:imagegear:19.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5E12FA77-4A14-4F3B-9505-E0E5402C3011"}], "operator": "OR"}]}], "sourceIdentifier": "talos-cna@cisco.com"}