CVE-2021-28558

Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by an Heap-based buffer overflow vulnerability in the PDFLibTool component. An unauthenticated attacker could leverage this vulnerability to achieve 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 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

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

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://helpx.adobe.com/security/products/acrobat/apsb21-29.html	Release Notes Vendor Advisory
https://helpx.adobe.com/security/products/acrobat/apsb21-29.html	Release Notes 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

No history.

Information

Published : 2021-09-02 17:15

Updated : 2024-11-21 05:59

NVD link : CVE-2021-28558

Mitre link : CVE-2021-28558

CVE.ORG link : CVE-2021-28558

JSON object : View

Products Affected

adobe

acrobat_reader_dc
acrobat_dc
acrobat_reader
acrobat

apple

macos

microsoft

windows

CWE

CWE-122

Heap-based Buffer Overflow

{"id": "CVE-2021-28558", "cveTags": [], "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": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/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": "2021-09-02T17:15:08.737", "references": [{"url": "https://helpx.adobe.com/security/products/acrobat/apsb21-29.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "psirt@adobe.com"}, {"url": "https://helpx.adobe.com/security/products/acrobat/apsb21-29.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "psirt@adobe.com", "description": [{"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by an Heap-based buffer overflow vulnerability in the PDFLibTool component. An unauthenticated attacker could leverage this vulnerability to achieve 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 2021.001.20150 (y anteriores), versiones 2020.001.30020 (y anteriores) y versiones 2017.011.30194 (y anteriores), est\u00e1n afectadas por una vulnerabilidad de desbordamiento de b\u00fafer en la regi\u00f3n Heap de la memoria en el componente PDFLibTool. Un atacante no autenticado podr\u00eda aprovechar esta vulnerabilidad para lograr 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": "2024-11-21T05:59:50.913", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*", "vulnerable": true, "matchCriteriaId": "1293EBDC-700E-4C44-AF0C-C16F4D790A62", "versionEndIncluding": "21.001.20150", "versionStartIncluding": "15.008.20082"}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*", "vulnerable": true, "matchCriteriaId": "781005A7-8966-40B5-A8C1-D767A5CBDA0D", "versionEndIncluding": "21.001.20150", "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": "072AB504-DCFA-4D7F-A1A6-C7DD723B7C8D", "versionEndIncluding": "17.011.30194", "versionStartIncluding": "17.011.30059"}, {"criteria": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "vulnerable": true, "matchCriteriaId": "AEDA8877-0FEF-4F2F-B200-FA556CA0374B", "versionEndIncluding": "20.001.30020", "versionStartIncluding": "20.001.30005"}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "vulnerable": true, "matchCriteriaId": "CA2983EC-06F6-4970-8ECE-18C21CB5DB60", "versionEndIncluding": "17.011.30194", "versionStartIncluding": "17.011.30059"}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "vulnerable": true, "matchCriteriaId": "77CC3021-6ED3-48E1-A81E-34A9D33BD8D3", "versionEndIncluding": "20.001.30020", "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": "1293EBDC-700E-4C44-AF0C-C16F4D790A62", "versionEndIncluding": "21.001.20150", "versionStartIncluding": "15.008.20082"}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*", "vulnerable": true, "matchCriteriaId": "781005A7-8966-40B5-A8C1-D767A5CBDA0D", "versionEndIncluding": "21.001.20150", "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"}