Advisory Details

April 26th, 2021

Foxit Studio Photo CMP File Parsing Uninitialized Variable Remote Code Execution Vulnerability

ZDI-21-478
ZDI-CAN-12331

CVE ID CVE-2021-31435
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 Studio Photo
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code 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 CMP files. The issue results from the lack of proper initialization of memory prior to accessing it. 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.html
DISCLOSURE TIMELINE
  • 2020-12-02 - Vulnerability reported to vendor
  • 2021-04-26 - Coordinated public release of advisory
CREDIT Francis Provencher {PRL}
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