Headline
CVE-2019-6763: ZDI-19-437
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.4.1.16828. 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 ToggleFormsDesign method of the Foxit.FoxitReader.Ctl ActiveX object. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-7874.
April 29th, 2019
Foxit Reader FoxitReaderCtl ToggleFormsDesign Use-After-Free Remote Code Execution Vulnerability****ZDI-19-437
ZDI-CAN-7874
CVE ID
CVE-2019-6763
CVSS SCORE
7.8, (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
AFFECTED VENDORS
Foxit
AFFECTED PRODUCTS
Reader
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 ToggleFormsDesign method of the Foxit.FoxitReader.Ctl ActiveX object. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.
ADDITIONAL DETAILS
Foxit has issued an update to correct this vulnerability. More details can be found at:
https://www.foxitsoftware.com/support/security-bulletins.php
DISCLOSURE TIMELINE
- 2019-03-01 - Vulnerability reported to vendor
- 2019-04-29 - Coordinated public release of advisory
CREDIT
@j00sean (https://twitter.com/j00sean)
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