CVE-2021-45063

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 lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

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

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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:-:*:*:*:*:*:*:*

Information

Published : 2022-01-14 12:15

Updated : 2022-01-21 10:17

NVD link : CVE-2021-45063

Mitre link : CVE-2021-45063

JSON object : View

CWE

CWE-416

Use After Free

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Products Affected

microsoft

windows

adobe

acrobat
acrobat_reader_dc
acrobat_reader
acrobat_dc

apple

macos

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