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TalosCVE-2018-3943

HistoryOct 02, 2018 - 9:29 p.m.

CVE-2018-3943

2018-10-0221:29:00

CWE-416

talos

web.nvd.nist.gov

cve-2018-3943

use-after-free vulnerability

foxit software

pdf reader

javascript engine

arbitrary code execution

memory reuse

browser plugin extension

nvd

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

8.2

Confidence

High

EPSS

0.002

Percentile

61.0%

JSON

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, resulting in arbitrary code execution. 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.

Affected configurations

Nvd

Vulners

Node

foxitsoftwarephantompdfRange≤9.2.0.9297

foxitsoftwarereaderRange≤9.2.0.9297

AND

microsoftwindowsMatch-

VendorProductVersionCPE
foxitsoftwarephantompdf*cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:*:*:*
foxitsoftwarereader*cpe:2.3:a:foxitsoftware:reader:*:*:*:*:*:*:*:*
microsoftwindows-cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
foxitsoftware	phantompdf	*	cpe:2.3:a:foxitsoftware:phantompdf::::::::
foxitsoftware	reader	*	cpe:2.3:a:foxitsoftware:reader::::::::
microsoft	windows	-	cpe:2.3:o:microsoft:windows:-:::::::*

CNA Affected

[
  {
    "product": "Foxit PDF Reader",
    "vendor": "Foxit",
    "versions": [
      {
        "status": "affected",
        "version": "Foxit Software PDF Reader 9.1.0.5096."
      }
    ]
  }
]