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srcinciteSteven Seeley (mr_me) of Source InciteSRC-2018-0017
HistoryJan 25, 2018 - 12:00 a.m.

SRC-2018-0017 : Foxit Reader PDF Parsing U3D Array Indexing Out-of-Bounds Write Remote Code Execution Vulnerability

2018-01-2500:00:00
Steven Seeley (mr_me) of Source Incite
srcincite.io
14

6.8 Medium

CVSS2

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

0.032 Low

EPSS

Percentile

91.3%

Vulnerability Details:

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader. 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 embedded U3D images inside of PDF files. The issue results from the lack of proper validation of user-supplied data, which can result in improper index calculation for an array access. An attacker can leverage this vulnerability to execute code under the context of the current process.

Affected Vendors:

Foxit

Affected Products:

Foxit Reader and Foxit PhantomPDF

Vendor Response:

Foxit has issued an update to correct these vulnerabilities. More details can be found at:
<https://www.foxitsoftware.com/support/security-bulletins.php&gt;

6.8 Medium

CVSS2

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

0.032 Low

EPSS

Percentile

91.3%