Advisory Details

October 28th, 2020

Foxit Studio Photo CR2 File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-20-1349
ZDI-CAN-11434

CVE ID CVE-2020-27856
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 Studio Photo
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit Studio Photo. 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 parsing of CR2 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 structure. 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.html
DISCLOSURE TIMELINE
  • 2020-06-26 - Vulnerability reported to vendor
  • 2020-10-28 - Coordinated public release of advisory
CREDIT Mat Powell of Trend Micro Zero Day Initiative
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