Integer overflow in Foxit Reader
CVE-2019-6753
This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit Reader 9.3.0.10826. 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 handling of the Stuff method. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-7561.
Vulnerability class: Integer Overflow
EPSS: 0.107 (95.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Foxit Reader — versions 9.3.0.10826
- Foxitsoftware Foxit_reader
- Foxitsoftware Phantompdf
- Microsoft Windows
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (Patch, x_refsource_MISC, Vendor Advisory)
- zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-6753?
- CVE-2019-6753 is a medium-severity vulnerability in Foxit Reader, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2019-06-03.
- How severe is CVE-2019-6753?
- Medium severity. CVSS v3 base score is 5.5 out of 10.