Out-of-bounds Read in Foxit Reader
CVE-2018-17671
This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit Reader 9.2.0.9297. 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 Lower method of a XFA object. 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 buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-6617.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.039 (90.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.039 · newest: 0.039 · change: 0.000
Affected products
- Foxit Reader — versions 9.2.0.9297
- Foxitsoftware Phantompdf
- Foxitsoftware Reader
- Microsoft Windows
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-18-1150/ (VDB Entry, Third Party Advisory)
- www.foxitsoftware.com/support/security-bulletins.php (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-17671?
- CVE-2018-17671 is a high-severity vulnerability in Foxit Reader, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2019-01-24.
- How severe is CVE-2018-17671?
- High severity. CVSS v3 base score is 8.8 out of 10.