CVE-2021-45064

Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a use-after-free vulnerability in the processing of Format event actions that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

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://helpx.adobe.com/security/products/acrobat/apsb22-01.html	Vendor Advisory
https://helpx.adobe.com/security/products/acrobat/apsb22-01.html	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:adobe:acrobat_dc:::::continuous:::*
	cpe:2.3:a:adobe:acrobat_reader_dc:::::continuous:::*

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

OR	cpe:2.3:a:adobe:acrobat:::::classic:::*
	cpe:2.3:a:adobe:acrobat:::::classic:::*
	cpe:2.3:a:adobe:acrobat_reader:::::classic:::*
	cpe:2.3:a:adobe:acrobat_reader:::::classic:::*

OR	cpe:2.3:o:apple:macos:-:::::::*
	cpe:2.3:o:microsoft:windows:-:::::::*

Configuration 3 (hide)

AND

OR	cpe:2.3:a:adobe:acrobat_dc:::::continuous:::*
	cpe:2.3:a:adobe:acrobat_reader_dc:::::continuous:::*

cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*

History

21 Nov 2024, 06:31

Type	Values Removed	Values Added
References	~~() https://helpx.adobe.com/security/products/acrobat/apsb22-01.html - Vendor Advisory~~	() https://helpx.adobe.com/security/products/acrobat/apsb22-01.html - Vendor Advisory

Information

Published : 2022-01-14 20:15

Updated : 2024-11-21 06:31

NVD link : CVE-2021-45064

Mitre link : CVE-2021-45064

CVE.ORG link : CVE-2021-45064

JSON object : View

Products Affected

apple

macos

adobe

acrobat
acrobat_reader
acrobat_reader_dc
acrobat_dc

microsoft

windows

CWE

CWE-416

Use After Free

{"id": "CVE-2021-45064", "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": "psirt@adobe.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:L/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": 1.8}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/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": 1.8}]}, "published": "2022-01-14T20:15:14.753", "references": [{"url": "https://helpx.adobe.com/security/products/acrobat/apsb22-01.html", "tags": ["Vendor Advisory"], "source": "psirt@adobe.com"}, {"url": "https://helpx.adobe.com/security/products/acrobat/apsb22-01.html", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "psirt@adobe.com", "description": [{"lang": "en", "value": "CWE-416"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a use-after-free vulnerability in the processing of Format event actions that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}, {"lang": "es", "value": "Acrobat Reader DC versiones 21.007.20099 (y anteriores), versiones 20.004.30017 (y anteriores) y versiones 17.011.30204 (y anteriores), est\u00e1n afectadas por una vulnerabilidad de uso de memoria previamente liberada en el procesamiento de acciones de eventos de formato que podr\u00eda resultar en una ejecuci\u00f3n de c\u00f3digo arbitrario en el contexto del usuario actual. Es requerida una interacci\u00f3n del usuario para explotar este problema, ya que la v\u00edctima debe abrir un archivo malicioso"}], "lastModified": "2024-11-21T06:31:53.427", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*", "vulnerable": true, "matchCriteriaId": "C04DBBF5-9A81-4E5B-974A-396010EBA028", "versionEndIncluding": "21.007.20099", "versionStartIncluding": "15.008.20082"}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*", "vulnerable": true, "matchCriteriaId": "CDCA2F06-AE23-4D8F-9A63-6FBF18234AF7", "versionEndIncluding": "21.007.20099", "versionStartIncluding": "15.008.20082"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "vulnerable": true, "matchCriteriaId": "305A4560-3F56-4575-B897-AE9CCDB1CE7E", "versionEndIncluding": "17.011.30204", "versionStartIncluding": "17.011.30059"}, {"criteria": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "vulnerable": true, "matchCriteriaId": "DE9E69F3-AE25-43E6-B878-71A3D9BF1CFD", "versionEndIncluding": "20.004.30017", "versionStartIncluding": "20.001.30005"}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "vulnerable": true, "matchCriteriaId": "4A356D60-4264-4C61-B9AA-1458A1814812", "versionEndIncluding": "17.011.30204", "versionStartIncluding": "17.011.30059"}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "vulnerable": true, "matchCriteriaId": "C1FA4209-FFE0-4B00-AEF2-6B2957A1BA82", "versionEndIncluding": "20.004.30017", "versionStartIncluding": "20.001.30005"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}, {"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*", "vulnerable": true, "matchCriteriaId": "C04DBBF5-9A81-4E5B-974A-396010EBA028", "versionEndIncluding": "21.007.20099", "versionStartIncluding": "15.008.20082"}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*", "vulnerable": true, "matchCriteriaId": "CDCA2F06-AE23-4D8F-9A63-6FBF18234AF7", "versionEndIncluding": "21.007.20099", "versionStartIncluding": "15.008.20082"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "psirt@adobe.com"}