Vulnerability CVE-2021-38563


Published: 2021-08-11   Modified: 2021-08-12

Description:
An issue was discovered in Foxit PDF Reader before 11.0.1 and PDF Editor before 11.0.1. It mishandles situations in which an array size (derived from a /Size entry) is smaller than the maximum indirect object number, and thus there is an attempted incorrect array access (leading to a NULL pointer dereference, or out-of-bounds read or write).

Type:

CWE-129

(Improper Validation of Array Index)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Foxitsoftware -> Pdf editor 
Foxitsoftware -> Pdf reader 

 References:
https://www.foxitsoftware.com/support/security-bulletins.php

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