Headline
CVE-2022-43640: ZDI-22-1660
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader 12.0.1.12430. 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 PDF files. Crafted data in a PDF file can trigger a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-18629.
November 23rd, 2022
Foxit PDF Reader PDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability****ZDI-22-1660
ZDI-CAN-18629
CVE ID
CVE-2022-43640
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
PDF Reader
VULNERABILITY DETAILS
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF 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 parsing of PDF files. Crafted data in a PDF file can trigger a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary 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.foxit.com/support/security-bulletins.html
DISCLOSURE TIMELINE
- 2022-09-02 - Vulnerability reported to vendor
- 2022-11-23 - Coordinated public release of advisory
CREDIT
Mat Powell of Trend Micro Zero Day Initiative
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