Out-of-bounds Read in Foxit Reader
CVE-2017-14818
This vulnerability allows remote attackers to disclose sensitive on vulnerable installations of Foxit Reader 8.3.1.21155. 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 JPEG2000 images embedded in 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 object. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-4982.
Vulnerability class: Buffer Overflow
EPSS: 0.025 (82.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Foxit Reader — versions 8.3.1.21155
- Foxitsoftware Foxit_reader — versions 8.3.1.21155
Weakness classification (CWE)
Public proof-of-concept exploits
References
- zdi-disclosures@trendmicro.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-14818?
- CVE-2017-14818 is a medium-severity vulnerability in Foxit Reader, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2017-12-20.
- How severe is CVE-2017-14818?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2017-14818 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.