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

CVE ID:

CVE-2020-11493

CVSS Score:

3.3, (AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N)

Affected Vendors:

Foxit

Affected Products:

Foxit Reader

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.

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

Disclosure Timeline:

• 2020-04-02 – Sent to and verified by Foxit
• 2019-07-31 – Coordinated public release of advisory

Credit:

This vulnerability was discovered by Steven Seeley of Qihoo 360 Vulcan Team