Vulnerability Details : CVE-2018-9977
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.0.29935. 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 parsing of Modifier Chain objects in U3D files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code under the context of the current process. Was ZDI-CAN-5427.
Vulnerability category: Execute code
Exploit prediction scoring system (EPSS) score for CVE-2018-9977
Probability of exploitation activity in the next 30 days: 1.87%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 88 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-9977
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
|
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2018-9977
-
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.Assigned by:
- nvd@nist.gov (Primary)
- zdi-disclosures@trendmicro.com (Secondary)
References for CVE-2018-9977
-
https://zerodayinitiative.com/advisories/ZDI-18-375
ZDI-18-375 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://www.foxitsoftware.com/support/security-bulletins.php
Security Bulletins | Foxit SoftwarePatch;Vendor Advisory
Products affected by CVE-2018-9977
- cpe:2.3:a:foxitsoftware:foxit_reader:*:*:*:*:*:*:*:*
- cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:*:*:*