Vulnerability Details : CVE-2021-31469
This vulnerability allows remote attackers to disclose sensitive information 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 proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-12936.
Vulnerability category: Execute code
Products affected by CVE-2021-31469
- Foxitsoftware » 3D » For PhantompdfVersions from including (>=) 10.0.0.0 and up to, including, (<=) 10.1.3.37598cpe:2.3:a:foxitsoftware:3d:*:*:*:*:*:phantompdf:*:*
- cpe:2.3:a:foxitsoftware:3d:*:*:*:*:*:foxit_reader:*:*
- Foxitsoftware » 3D » For Foxit ReaderVersions from including (>=) 10.0.0.0 and up to, including, (<=) 10.1.3.37598cpe:2.3:a:foxitsoftware:3d:*:*:*:*:*:foxit_reader:*:*
- cpe:2.3:a:foxitsoftware:3d:*:*:*:*:*:phantompdf:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-31469
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 46 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-31469
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
3.3
|
LOW | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
1.8
|
1.4
|
Zero Day Initiative | |
3.3
|
LOW | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
1.8
|
1.4
|
NIST |
CWE ids for CVE-2021-31469
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: zdi-disclosures@trendmicro.com (Primary)
References for CVE-2021-31469
-
https://www.foxitsoftware.com/support/security-bulletins.php
Security Bulletins | Foxit SoftwareVendor Advisory
-
https://www.zerodayinitiative.com/advisories/ZDI-21-526/
ZDI-21-526 | Zero Day InitiativeThird Party Advisory;VDB Entry
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