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srcinciteSteven Seeley (mr_me) of Source InciteSRC-2018-0009
HistoryNov 25, 2017 - 12:00 a.m.

SRC-2018-0009 : Foxit Reader BMP Image Parsing BITMAPINFOHEADER biWidth Integer Overflow Remote Code Execution Vulnerability

2017-11-2500:00:00
Steven Seeley (mr_me) of Source Incite
srcincite.io
8

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

0.542 Medium

EPSS

Percentile

97.6%

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 BMP images. The issue results from the lack of proper validation of the length of user-supplied data, which can result in an integer overflow before allocating a buffer. 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;
Proof of Concept:
/pocs/src-2018-0009.bmp

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

0.542 Medium

EPSS

Percentile

97.6%