KLA11031 Multiple vulnerabilities in Foxit Reader

Multiple serious vulnerabilities have been found in Foxit Reader and Foxit Phantom PDF. Malicious users can exploit these vulnerabilities to obtain sensitive information or execute arbitary code.

Below is a complete list of vulnerabilities:

1. Multiple vulnerabilities related to an improper parsing of PDF files can be exploited remotely by convincing a user to visit a malicious web page and open a specially designed file to obtain sensitive information;
2. An improper parsing of fonts in PDF files can be exploited remotely by convincing a user to visit a malicious web page and open a specially designed file to obtain sensitive information;
3. A use-after-free vulnerability in the setItem function can be exploited remotely to execute arbitrary code;
4. A use-after-free vulnerability in the print function can be exploited remotely to execute arbitrary code;
5. A use-after-free vulnerability in the app.execMenuItem function can be exploited remotely to execute arbitrary code;

Technical details

Vulnerabilities described above exist because user-supplied data is not property validated. Sometimes it can result in an out-of-bounds read. In conjuction with other vulnerabilities, remote code execution in the context of current process is also possible.

Original advisories

Foxit Reader Security Bulletins

Related products

Foxit-Reader

CVE list

CVE-2017-8455 high

CVE-2017-8454 high

CVE-2017-8453 high

CVE-2017-10946 high

CVE-2017-10947 high

CVE-2017-10948 high

Solution

Update to the latest versions

Download Foxit Reader

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

Affected Products

• Foxit Reader before 8.2.1.6871