Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Required
Privileges Required
None
Attack Vector
Network
0

CVE-2018-3956

Disclosure Date: January 30, 2019
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Description

An exploitable out-of-bounds read vulnerability exists in the handling of certain XFA element attributes of Foxit Software’s PDF Reader version 9.1.0.5096. A specially crafted PDF document can trigger an out-of-bounds read, which can disclose sensitive memory content and aid in exploitation when coupled with another vulnerability. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.

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CVSS V3 Severity and Metrics
Base Score:
8.1 High
Impact Score:
5.2
Exploitability Score:
2.8
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
None
Availability (A):
High

General Information

Vendors

  • foxitsoftware

Products

  • phantompdf,
  • reader

Additional Info

Technical Analysis