Vulnerability Details : CVE-2021-31449
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.1.37576. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of U3D objects embedded in PDF files. The issue results from the lack of validating the existence of an object prior to performing further free operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13280.
Vulnerability category: Execute code
Products affected by CVE-2021-31449
- cpe:2.3:a:foxitsoftware:foxit_reader:*:*:*:*:*:*:*:*
- Foxitsoftware » PhantompdfVersions from including (>=) 10.0.0.0 and up to, including, (<=) 10.1.3.37598cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:*:*:*
- cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-31449
2.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-31449
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
Zero Day Initiative | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-31449
-
The product calls free() twice on the same memory address.Assigned by: zdi-disclosures@trendmicro.com (Primary)
References for CVE-2021-31449
-
https://www.zerodayinitiative.com/advisories/ZDI-21-538/
ZDI-21-538 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://www.foxitsoftware.com/support/security-bulletins.php
Security Bulletins | Foxit SoftwareVendor Advisory
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