Headline
CVE-2019-6728: ZDI-19-134
This vulnerability allows remote attackers to disclose sensitive information 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 processing of PDF files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-7353.
January 25th, 2019
Foxit Reader PDF Parsing Out-Of-Bounds Read Information Disclosure Vulnerability****ZDI-19-134
ZDI-CAN-7353
CVE ID
CVE-2019-6728
CVSS SCORE
3.3, (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
AFFECTED VENDORS
Foxit
AFFECTED PRODUCTS
Reader
VULNERABILITY DETAILS
This vulnerability allows remote attackers to disclose sensitive information 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 processing of PDF files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities 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
- 2018-10-09 - Vulnerability reported to vendor
- 2019-01-25 - Coordinated public release of advisory
CREDIT
Sebastian Feldmann from GoSecure
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