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srcinciteSteven Seeley of Qihoo 360 Vulcan TeamSRC-2020-0016
HistoryJul 31, 2019 - 12:00 a.m.

SRC-2020-00 : Foxit Reader XObject Stream Uninitialized Object Information Disclosure Vulnerability

2019-07-3100:00:00
Steven Seeley of Qihoo 360 Vulcan Team
srcincite.io
3

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

54.0%

Vulnerability Details:

This vulnerability allows remote attackers to disclose sensitive information on affected 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 processing of XObject Streams inside of PDF files. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.

Affected Vendors:

Foxit

Affected Products:

Foxit Reader

Vendor Response:

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

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

54.0%