High severity · published Oct 8, 2018
CVE-2018-3940
An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Software's PDF Reader, version 9.1.0.5096
8.8
CVSS
2.1%
EPSS
No
On KEV
Description
An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Software's PDF Reader, version 9.1.0.5096. A specially crafted PDF document can trigger a previously freed object in memory to be reused. An attacker needs to trick the user to open the malicious file to trigger.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
Phantompdf · Foxitsoftware
through 9.2.0.9297 · source: NVD
RE
Reader · Foxitsoftware
through 9.2.0.9297 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-3940
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-3940
Third Party Advisory
http://www.securitytracker.com/id/1041769
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0607
Vendor Advisory
https://www.foxitsoftware.com/support/security-bulletins.php
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